Wellgevity operates as an integrative longevity practice grounded in systems medicine and participatory care. The clinic is led by Dr. Tamsin Lewis, a physician with a background in neuroscience and elite sport, supported by a multidisciplinary team spanning integrative medicine, nutrition, metabolic health, and post-viral recovery.
The practice is headquartered at 18 Dover Street in Mayfair, London, with additional clinical services provided in Chelsea. It functions within London’s broader longevity ecosystem, where advanced biomarker testing, imaging services, and epigenetic age analysis are increasingly integrated into preventive health strategies.
Wellgevity’s operational model follows a defined structure:
Intake assessment → Multi-system diagnostics → Analytical integration → Personalised health roadmap → Structured follow-up and monitoring
Consultations are conducted as 90-minute sessions, allowing a detailed review of medical history, lifestyle variables, hormonal patterns, and metabolic indicators. This format reflects the clinic’s participatory philosophy, positioning the patient as an informed contributor rather than a passive recipient of recommendations.
The clinic applies a Three-Level Routing System:
Level 1: Remote monitoring through wearables such as Oura and Continuous Glucose Monitoring combined with telemedicine review.
Level 2: In-clinic diagnostics, including advanced biomarker panels, hormone testing, microbiome analysis, and imaging where indicated.
Level 3: Individualised scientific studies for complex cases requiring deeper multi-omics profiling and research-level analysis.
This structure is designed to scale diagnostic depth according to clinical complexity rather than applying uniform protocols.
Executive Time Efficiency
Many patients integrate consultations and diagnostic testing into existing professional schedules rather than planning extended health stays. The central Mayfair location supports appointment-based visits that can be coordinated around business commitments.
Remote data tracking through wearables and digital monitoring tools allows continuity between in-person sessions. For high-performance individuals managing sustained cognitive or physical demand, this structure reduces fragmentation and centralizes oversight.
At a Glance – Wellgevity
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Category
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Details
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Location
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18 Dover Street, Mayfair, London, UK. Secondary clinical services at Sloane Avenue, Chelsea
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Clinic Type
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Physician-led integrative longevity clinic
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Core Focus
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Systems medicine, biological age analysis, hormonal and metabolic optimisation
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Typical Program
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12-week structured pathway or longer-term monitoring models
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Diagnostic Depth
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Comprehensive biomarker panels, CGM, DUTCH hormone testing, microbiome analysis, epigenetic age clocks
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Signature Framework
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4P Precision Medicine and the ETAPS five-stage method
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Environment
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Private central London clinical setting
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Privacy Level
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Regulated UK medical confidentiality standards
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Clinical Scope
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Post-viral recovery, hormonal health, metabolic resilience, stress recalibration
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Many visitors integrate consultations and diagnostic sessions into existing professional schedules rather than planning extended health stays. Wellgevity’s Mayfair location at 18 Dover Street supports structured appointments that can be coordinated efficiently within defined time windows.
Extended 90-minute consultations allow a comprehensive review without prolonged on-site presence. Follow-up discussions may occur in person or via telemedicine, and visitors typically arrange independent accommodation nearby in Mayfair or Chelsea.
Accommodation is independent of clinic operations. Visitors commonly select business hotels or serviced apartments in Mayfair or Chelsea within walking distance of the clinic.
🔗 Explore nearby hotels & apartments
Wellgevity differentiates itself through structure rather than scale. It is not positioned as a hospital-based longevity center nor as a lifestyle retreat. Instead, it operates as a physician-led systems practice focused on participatory care, diagnostic depth, and root-cause mapping.
For executives and high-performance individuals, three structural factors often drive engagement:
- Extended 90-minute consultations that allow comprehensive analysis
- Data-led diagnostics integrating biological age testing and continuous monitoring
- A muscle-centric and metabolism-focused interpretation model grounded in foundational physiology
The clinic’s methodology emphasizes foundations before optimization. Movement, sleep, metabolic stability, and circadian rhythm are treated as primary regulatory systems. Supplements, IV infusions, or advanced tools are framed as adjunctive rather than central.
Wellgevity’s Three-Level Routing System further allows escalation based on complexity. Individuals may begin with remote monitoring and structured diagnostics, with deeper phenotyping reserved for cases requiring expanded investigation.
This architecture appeals to individuals seeking disciplined oversight rather than trend-driven experimentation.
Wellgevity positions its clinical model around extending healthspan through structured biological mapping and longitudinal oversight. The intent is not acute disease treatment. It is early identification of measurable physiological drift across metabolic, hormonal, immune, and neurological systems.
Population data from England indicate that individuals spend approximately 61 to 62 years in good health on average, leaving a measurable gap between total lifespan and years lived in optimal functional capacity. Preventive longevity practices aim to narrow that gap through earlier intervention and improved system regulation.
Wellgevity does not frame aging as a disease to be cured. Instead, it treats aging as a biological process influenced by modifiable lifestyle inputs, genetic predisposition, and environmental exposures. Diagnostics provide probabilistic insight. They do not determine individual outcomes.
Programs are structured to move from baseline measurement toward monitored refinement over defined time horizons.
Clinical Purpose
The clinic’s purpose centers on three core pillars:
1. Early Risk Identification:
Beyond standard laboratory reference ranges, the clinic evaluates subtle biomarker deviations that may signal emerging metabolic or inflammatory imbalance.
2. System-Level Integration:
Health concerns such as fatigue, hormonal shifts, or stress intolerance are interpreted across the sex-adrenal-thyroid-blood sugar axis rather than as isolated symptoms.
3. Longitudinal Health Governance:
Repeat diagnostics, wearable data review, and structured consultations support tracking over time rather than a one-time assessment.
Research drawn from large cohort datasets such as the UK Biobank suggests that anti-inflammatory dietary patterns, moderate to high physical activity, and healthy sleep are associated with delayed biological aging markers.
Who This Clinic Is Designed For
Wellgevity is structured for adults operating under sustained cognitive or physical demand who require coordinated oversight rather than episodic consultations.
Typical profiles include:
- Senior executives and corporate leaders
- Founders and entrepreneurs
- Institutional investors
- Professional and endurance athletes
- Individuals managing post-viral syndromes such as Long COVID under physician supervision
- Patients navigating complex hormonal or metabolic imbalances
The clinic’s participatory consultation model appeals to individuals who prefer structured dialogue and data interpretation rather than directive instruction.
Focus Areas
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Focus Area
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What This Means in Practice
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Medical Discipline
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Integrative longevity medicine grounded in systems biology
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Core Biological Systems
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Metabolic, hormonal, immune, gut, and stress regulation
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Environment
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Private central London clinical setting
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Program Structure
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12-week flagship pathway with optional extended monitoring
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Lifestyle as Medicine
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Movement, circadian rhythm alignment, metabolic flexibility, and muscle preservation
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Privacy
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UK medical confidentiality and regulated data handling
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Long-Term Strategy
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Repeat biomarker testing, CGM review, and structured follow-up consultations
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Wellgevity operates within a 4P Precision Medicine framework: Predictive, Preventive, Personalised, and Participatory. This model shifts emphasis from reactive disease treatment toward earlier identification of physiological imbalance and structured long-term oversight.
Traditional healthcare models often intervene once diagnostic thresholds are crossed. Wellgevity instead evaluates biomarker trends, hormonal patterns, metabolic variability, and biological age indicators before symptoms progress into defined pathology.
The clinic combines this framework with a systems-based interpretation model. Rather than separating health into isolated organs or specialties, it evaluates interconnected biological networks, including metabolic, adrenal, thyroid, immune, and gut systems. Fatigue, mood shifts, sleep disturbance, and hormonal changes are interpreted within these interacting pathways.
Data is contextualised through physician review. Wearable dashboards, laboratory reports, and biological age metrics are not treated as standalone decision tools. Interpretation remains central.
Predictive Biological Age Modeling
Wellgevity incorporates validated biological aging methodologies, including:
- Klemera-Doubal Method (KDM)
- Phenotypic Age algorithms
- Homeostatic Dysregulation Modeling
- Epigenetic clocks such as GrimAge and DunedinPACE
These models are used to estimate biological age relative to population datasets and to assess trajectory over time.
Population-level research indicates that biological age acceleration has been statistically associated with elevated all-cause mortality risk in longitudinal cohort analyses. These associations are statistical correlations and do not predict individual outcomes.
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🔍 Did You Know?
Large-scale analyses from the UK Biobank integrate genetics, metabolomics, and longitudinal health records from over 500,000 participants. Such datasets allow biological age models to be validated across diverse populations, though they remain observational rather than causal.
Biological age metrics at Wellgevity are framed as contextual markers, not deterministic forecasts.
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Foundations Over Optimisation
A core philosophical principle within the clinic is described as “engine over polish.” The analogy frames foundational physiology as the engine of a high-performance vehicle, while supplements and adjunct therapies are considered surface refinement.
Foundational pillars include:
- Consistent movement, ideally outdoors
- Circadian rhythm alignment
- Muscle preservation and metabolic stability
- Sleep regularity
- Stress recalibration
Dr. Tamsin Lewis frequently emphasizes muscle as a metabolically active organ central to blood sugar regulation, sex hormone balance, and long-term functional capacity. This muscle-centric framing positions resistance training and metabolic conditioning as regulatory tools rather than aesthetic goals.
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🔍 Did You Know?
Research evaluating physical activity intensity suggests that while 600 MET-minutes per week meets public health guidelines, stronger associations with deceleration of biological aging markers have been observed at higher activity levels, including ≥ 3000 MET-minutes per week.
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Participatory Consultation Model
Wellgevity departs from short, directive consultations. Sessions are structured as 90-minute medical discussions that allow:
- Review of detailed medical history
- Integration of wearable and biomarker data
- Collaborative goal setting
- Structured planning
This participatory format reflects the clinic’s belief that health governance requires patient engagement rather than passive compliance.
The model emphasizes long-term harmony over rapid intervention and favors measured progression across nutrition, sleep, movement, and mindset.
Clinical Governance & Regulatory Framework
Wellgevity operates as a physician-led medical practice within the UK healthcare regulatory environment. Clinical oversight remains under licensed medical supervision, and diagnostic interpretation is performed within established medical confidentiality standards.
Laboratory testing is processed through accredited partners operating under recognized quality frameworks. Wearable and digital health data are integrated into clinical records within regulated data protection standards.
The clinic does not function as a research laboratory or experimental center. Diagnostic tools are applied within established clinical contexts, and escalation to imaging or specialist referral occurs when medically indicated.
Screening precedes strategy. Strategy precedes intervention. Intervention remains proportional to clinical need.
Wellgevity applies a diagnostics-first structure designed to establish a comprehensive physiological baseline before planning begins. Assessment precedes strategy. Strategy precedes implementation.
The clinic integrates biochemical, hormonal, metabolic, and genomic indicators to build a multi-system health profile. No single marker is interpreted in isolation. Laboratory findings, wearable outputs, and clinical history are reviewed collectively under physician supervision.
Diagnostic Assessment Includes
Diagnostic depth varies by program tier and clinical complexity. Core assessments may include:
Comprehensive Blood Biomarker Panels:
Expanded laboratory testing evaluating inflammatory markers, lipid profiles, glycaemic control, micronutrient status, liver and thyroid function, and cardiometabolic risk indicators.
Continuous Glucose Monitoring (CGM):
Two-week glucose variability tracking to assess metabolic flexibility and post-prandial glycaemic response patterns.
DUTCH Hormone and Stress Testing:
Advanced urinary hormone metabolite analysis evaluating sex hormones, adrenal function, and cortisol rhythm.
Gut Microbiome Analysis:
Microbial diversity profiling and functional interpretation within digestive and immune contexts.
Epigenetic Biological Age Testing:
Application of clocks such as GrimAge and DunedinPACE to assess pace of aging relative to population data.
Wearable Data Integration:
Oura ring and related wearable outputs assessing sleep architecture, heart rate variability, and recovery trends.
Imaging and Genetic Testing (Level 2 Routing):
MRI imaging, genetic panels, and deeper biomarker analysis when clinically indicated.
Findings are consolidated into a structured health report and discussed within the 90-minute consultation format.
Three-Level Routing Architecture
Wellgevity applies a structured escalation model based on complexity rather than standardised packages.
Level 1: Remote Monitoring:
Wearables, CGM, and telemedicine consultations support ongoing observation and lifestyle calibration.
Level 2: In-Clinic Diagnostics:
Comprehensive biomarker testing, hormone analysis, microbiome profiling, imaging, and genetic testing inform deeper phenotyping.
Level 3: Individualised Scientific Studies:
Complex cases may undergo multi-omics profiling and expanded data modeling to develop tailored clinical approaches.
Escalation is proportional rather than protocol-driven. Not all patients require multi-omics profiling. Depth of investigation reflects clinical complexity, not marketing tier.
Wellgevity’s differentiation lies in the depth of interpretation rather than the volume of interventions. The clinic focuses on root-cause mapping, hormonal integration, post-viral recovery, and muscle-centric metabolic regulation within a structured clinical framework.
Its strengths are conceptual and architectural rather than procedural.
Key Medical Strength 1 – Post-Viral Recovery and Immune Recalibration
Wellgevity has developed a structured approach to persistent post-viral syndromes, including Long COVID, Mast Cell Activation Syndrome (MCAS), and Histamine Intolerance (HIT).
This work is informed by Dr. Tamsin Lewis’s personal recovery experience and integrates:
- Inflammatory marker tracking
- Hormonal evaluation across the sex-adrenal-thyroid axis
- Gut microbiome analysis
- Nervous system regulation strategies
- Structured pacing and metabolic monitoring
Rather than isolating fatigue or cognitive symptoms, interpretation focuses on systemic contributors such as immune dysregulation, histamine burden, and metabolic instability.
Outcomes are not guaranteed. Recovery trajectories vary significantly across individuals.
Key Medical Strength 2 – Hormonal and Metabolic Axis Integration
The clinic evaluates what it describes as the sex-adrenal-thyroid-blood sugar axis, recognizing that hormonal signaling is interdependent.
This includes:
- DUTCH hormone testing
- Continuous glucose monitoring
- Thyroid panel interpretation beyond standard reference ranges
- Stress hormone rhythm assessment
- Muscle-centric nutritional planning
Metabolic flexibility and insulin sensitivity are considered central regulators of energy, mood, and long-term cardiometabolic risk.
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🔍 Did You Know?
Approximately 23 percent of global deaths are attributed to preventable environmental health factors, according to global health estimates. Longevity-focused clinics attempt to mitigate modifiable contributors such as diet quality, inactivity, and sleep disruption, though these associations do not eliminate risk entirely.
Hormonal interpretation is contextual. The clinic does not position optimization as performance enhancement but as restoration of physiological balance.
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Key Medical Strength 3 – Muscle-Centric Longevity Model
Dr. Lewis emphasizes the muscle as a metabolically active organ central to appetite regulation, glucose control, and hormonal balance.
This framing shifts focus from weight-centric metrics toward functional capacity.
Clinical application includes:
- Resistance training guidance
- VO2 max evaluation, where indicated
- Protein intake calibration
- Movement prescriptions aligned with the circadian rhythm
Muscle preservation is treated as a regulatory anchor within aging physiology rather than an aesthetic objective.
Key Medical Strength 4 – Analytical Integration Over Reductionism
Wellgevity intentionally avoids compartmentalised care. Its Analytical Center integrates:
- Biomarkers
- Wearable data
- Hormonal metabolites
- Microbiome profiles
- Lifestyle variables
Data modeling tools such as clustering algorithms and time-series analysis are used to detect patterns across systems. Final interpretation remains physician-led.
The objective is coherence rather than fragmentation.
Measured Minimalism in Intervention
Wellgevity’s philosophy does not default to maximal testing or procedural escalation. The clinic emphasizes foundational correction before advanced therapeutics.
Where lifestyle recalibration produces measurable biomarker normalization, further intervention may not be required. Escalation is considered when foundational measures fail to produce regulatory stability.
This disciplined approach reduces unnecessary intervention while maintaining vigilance.
The following examples reflect publicly described patient experiences associated with Wellgevity’s structured diagnostic model. They illustrate how integrated assessment-informed planning. They do not represent guaranteed outcomes, and individual responses vary.
Outcome 1 – Post-Viral Cognitive and GI Recovery
Before:
An individual experienced prolonged brain fog, fatigue, and gastrointestinal distress following a viral illness. Previous consultations had focused primarily on symptom management without sustained improvement.
After:
Through integrated biomarker testing, hormone analysis, microbiome profiling, and structured pacing strategies, interpretation focused on immune activation, histamine patterns, and metabolic instability. The reported outcome included improvement in cognitive clarity and reduction in gastrointestinal symptoms under physician supervision.
Source:
Publicly described patient narratives and testimonials associated with Wellgevity programs.
Outcome 2 – Hormonal and Adrenal Dysregulation
Before:
A patient reported persistent fatigue, mood instability, and suspected adrenal burnout after years of high-intensity professional demands.
After:
Evaluation across the sex-adrenal-thyroid-blood sugar axis identified imbalances in stress hormone rhythm and metabolic regulation. A structured plan addressing sleep, resistance training, nutritional calibration, and monitored hormone interpretation was implemented. The reported outcome emphasized gradual restoration of energy and improved stress tolerance rather than rapid change.
Source:
Publicly available testimonials and clinical commentary linked to the practice.
Outcome 3 – Executive Metabolic Recalibration
Before:
A senior executive sought a preventive assessment without overt symptoms but expressed concern about sustained stress exposure and metabolic drift.
After:
Continuous glucose monitoring, expanded biomarker testing, and wearable data integration identified glycaemic variability and sleep fragmentation patterns not previously tracked. Structured lifestyle modification and follow-up consultations were implemented. The reported outcome centered on improved metabolic awareness and clearer long-term risk mapping.
Source:
Executive case narratives are described within clinic communications.
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⚠️ Editorial Note
These examples reflect individual experiences reported in publicly available materials. They do not constitute medical claims or guarantees. Diagnostic findings represent measurable physiological patterns at a specific point in time. Individual outcomes depend on genetics, medical history, environmental exposure, and adherence to physician guidance. Participation does not replace consultation with a primary physician.
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Wellgevity structures its services around defined pathways that combine diagnostic depth with physician-led interpretation and monitored follow-up. Programs are differentiated by scope, duration, and complexity rather than by outcome promises.
All programs begin with structured intake and comprehensive assessment. Findings are reviewed in extended consultations before any planning is finalized.
12-Week Transformational Programme (£3,999)
Format:
Twelve-week structured diagnostic and intervention pathway.
Clinical Intent:
Establish a comprehensive biological baseline and identify root contributors to fatigue, hormonal imbalance, metabolic instability, or post-viral symptoms.
Included Components:
- Two consultations with an Integrative Medicine Doctor
- Two consultations with a Nutritional Therapist
- Comprehensive blood biomarker testing
- DUTCH hormone and stress testing
- Gut microbiome analysis
- Continuous glucose monitoring
- Summary report outlining nutrition and lifestyle protocols
This program integrates hormonal, metabolic, inflammatory, and microbiome data into a structured review. The £3,999 pricing reflects diagnostic scope, professional consultation time, and data integration rather than guaranteed outcome improvement.
The program is suited to individuals seeking a concentrated diagnostic reset without committing to long-term monitoring at the outset.
ETAPS Proprietary Method
Wellgevity applies a five-stage proprietary process known as ETAPS. While specific technical stages are internally defined, the structure follows a general progression:
- Establish baseline
- Test and analyse multi-system markers
- Align interventions with the biological context
- Progressively refine based on monitored data
- Sustain long-term health governance
ETAPS is positioned as a continuity framework rather than a standalone product. It supports ongoing reassessment and adjustment over time.
Lived Longevity Retreats
Wellgevity also offers immersive retreat experiences held at Son Rullan in Deià, Mallorca.
Format:
Four-day structured sessions.
Focus Areas:
- Nervous system recalibration
- Movement and mobility practice
- Breathwork and stress modulation
- Hormetic exposure through controlled heat and cold immersion
- Community-based engagement
Retreat participation is not framed as curative or transformative in isolation. It functions as an experiential extension of the clinic’s broader systems philosophy, reinforcing foundational pillars such as circadian rhythm alignment, movement, and stress recalibration.
Participation does not replace medical oversight and is best understood as an adjunctive component within a broader health strategy.
Wellgevity operates from a private clinical setting in Mayfair, London, with additional services in Chelsea. It functions as an outpatient, physician-led practice rather than a residential medical center.
The clinic integrates diagnostics, consultation suites, and data analysis within a coordinated framework. Escalation to external imaging or specialist services occurs when clinically indicated.
Named Diagnostic Tools & Technologies
Wellgevity incorporates the following diagnostic platforms within its clinical model:
Comprehensive Blood Biomarker Panels:
Expanded testing across metabolic, inflammatory, thyroid, liver, lipid, and micronutrient domains.
Continuous Glucose Monitoring (CGM):
Short-term glucose tracking to evaluate glycaemic variability and metabolic flexibility.
DUTCH Hormone and Stress Testing:
Advanced urinary hormone metabolite analysis assessing adrenal function, cortisol rhythm, and sex hormone metabolism.
Epigenetic Biological Age Testing:
Application of clocks such as GrimAge and DunedinPACE to estimate the pace of aging relative to validated population datasets.
Wearable Integration:
Oura ring and related devices are used to monitor sleep architecture, heart rate variability, and recovery patterns.
Genetic and Imaging Referral Pathways:
Access to MRI imaging and genetic testing through Level 2 routing when clinically appropriate.
All data is consolidated into a structured interpretation during extended consultations.
Clinical Interventions & Modalities
Where indicated, the clinic may incorporate:
- Hyperbaric Oxygen Therapy (HBOT)
- Structured fasting or time-restricted eating protocols
- Circadian rhythm entrainment
- Nasal breathing retraining
- Resistance training guidance
- Hormetic exposure, including heat and cold immersion
These modalities are framed as supportive tools within a broader systems strategy. They are not presented as curative therapies or anti-aging reversals.
Analytical Center & Data Modeling
The clinic’s Analytical Center functions as its integration hub. Data from biomarkers, wearables, hormone testing, microbiome profiling, and genetic analysis are synthesized using structured modeling approaches.
Pattern recognition tools, including clustering algorithms and time-series analysis, support the identification of trends across systems. Final interpretation remains physician-led.
The objective is to produce a Comprehensive Health Profile that translates complex datasets into actionable insight within defined safety parameters.
Governance & Privacy Standards
Wellgevity operates under UK medical confidentiality standards. Patient data is handled within regulated healthcare frameworks and laboratory partners.
The clinic operates within the UK’s regulated private healthcare framework and maintains documented clinical governance procedures where applicable.
Data is stored and processed in accordance with UK GDPR requirements. Access is restricted to clinical personnel directly involved in patient care. Laboratory partners operate within recognized quality assurance frameworks, and diagnostic interpretation remains physician-led.
Laboratory processing, wearable integration, and digital health records are structured to protect confidentiality and traceability.
The clinic emphasizes long-term harmony over rapid intervention and maintains appointment-based governance rather than open-access programming.
Wellgevity operates as a private physician-led clinic in central London. Pricing reflects consultation duration, diagnostic scope, laboratory depth, and structured interpretation rather than outcome guarantees.
Programs are modular. Scope is confirmed following intake review and physician assessment.
Pricing
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Category
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Details
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Clinic Positioning
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Physician-led integrative longevity clinic
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Stay Length
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Outpatient model; appointment-based
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Entry Pricing
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£3,999 (12-Week Transformational Programme)
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What’s Included
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Extended consultations, biomarker panels, DUTCH hormone testing, microbiome analysis, CGM, structured report
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Additional Costs
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Advanced imaging, genetic testing, or external specialist referrals where indicated
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Program Structure
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Intake → Diagnostics → Interpretation → Roadmap → Follow-up
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Clinical Principle
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Root-cause analysis before intervention
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Pricing reflects professional time, diagnostic depth, and data integration. It does not guarantee symptom resolution or biological age reduction.
How Programs Are Structured
Monitoring is conducted at defined intervals rather than reactively. Biomarkers may be reassessed at 8–12 weeks, depending on clinical context. Continuous glucose monitoring and wearable data allow pattern tracking between consultations.
Biological age modeling, when used, is evaluated over time rather than interpreted as a single-event metric. Trend direction is prioritized over static measurement.
This cadence reinforces governance over novelty.
All pathways follow a defined governance sequence:
1. Pre-Visit Phase:
- Digital intake forms
- Medical history review
- Medication and supplement disclosure
2. Diagnostic Phase:
- Comprehensive blood biomarkers
- DUTCH hormone and stress testing
- Microbiome profiling
- Continuous glucose monitoring
- Wearable data integration
3. Interpretation Phase:
- 90-minute physician consultation
- Review of laboratory findings
- Contextualization of biological age metrics
- Discussion of metabolic and hormonal trends
4. Planning & Monitoring Phase:
- Personalised nutrition and movement strategy
- Sleep and circadian alignment guidance
- Structured follow-up consultations
- Repeat testing where clinically indicated
Evaluation precedes strategy. Strategy precedes implementation. Monitoring occurs at defined intervals.
Length of Stay
Wellgevity functions exclusively as an outpatient practice.
Typical duration depends on program tier:
- 12-Week Transformational Programme: Diagnostic and consultation sessions scheduled across three months
- Extended monitoring: Ongoing review based on individual needs
There is no residential requirement. Retreat participation is optional and separate from core clinical pathways.
Appointments are structured to integrate into professional schedules rather than requiring immersive medical stays.
Wellgevity operates from its primary location at 18 Dover Street in Mayfair, London, with additional clinical services in Chelsea. The clinic functions as an outpatient practice. Visits are appointment-based and are commonly integrated into existing professional travel schedules.
There is no requirement for residential admission. Most patients attend for consultations and diagnostics within defined time blocks and return for scheduled follow-up sessions as needed.
Recommended Visit Duration
Visit duration depends on the selected pathway and diagnostic scope.
12-Week Transformational Programme:
Initial diagnostic sessions and consultations are scheduled across the first weeks of the program, followed by structured review sessions over the three-month period.
Extended Monitoring:
Follow-up consultations may be conducted in person or via telemedicine, depending on clinical requirements and patient location.
Retreat participation, when selected, is structured as a four-day immersive experience and is independent of core clinical services.
How to Reach the Clinic
City: London, United Kingdom
Primary Address: 18 Dover Street, Mayfair
Secondary Services: Sloane Avenue, Chelsea
Nearest Airport: London Heathrow Airport (LHR)
Typical Transfer Time: Approximately 45 to 60 minutes by car, depending on traffic conditions.
Transport Options:
- Licensed taxi services
- Ride-share platforms
- London Underground
- National rail connections
- Private chauffeur services
🔗 Find best flights to London
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Links are provided for travel planning convenience only.
Accommodation & Stay Planning
Wellgevity does not operate on-site accommodation.
Visitors typically stay at:
- Central London business hotels
- Serviced apartments in Mayfair or Chelsea
- Boutique hotels within walking distance
Accommodation arrangements are independent of clinic operations.
🔗 Explore nearby hotels & apartments
What to Bring
Participants are generally advised to bring:
- Government-issued identification
- Prior medical documentation, if available
- A list of current medications and supplements
- Wearable devices are currently used for health tracking
- Comfortable clothing suitable for basic functional assessments
Additional documentation requirements are communicated during intake review.
Wellgevity operates within the evolving field of preventive longevity medicine. Its positioning emphasizes structured diagnostics, participatory consultation, and systems-level interpretation rather than procedural scale.
The broader longevity sector remains heterogeneous. There is currently no universally standardized model for longevity clinics, and care quality can vary significantly across providers. Wellgevity distinguishes itself through consultation duration, integration of biological age modeling, and structured routing architecture.
Much of longevity research is observational. Biomarkers, epigenetic clocks, and metabolic indicators are associated with risk patterns rather than deterministic outcomes. Interpretation requires contextual medical oversight.
What Patients Commonly Report
Based on publicly available testimonials and clinical narratives, recurring themes include:
- Improved clarity around previously unexplained fatigue
- Greater understanding of hormonal and metabolic interactions
- Structured support for post-viral recovery
- Reduction in gastrointestinal distress following root-cause investigation
- Appreciation for extended 90-minute consultations
- Perceived alignment between lifestyle changes and measurable biomarker shifts
These reports reflect subjective experiences and individual journeys. They do not constitute clinical guarantees.
Professional and Sector Positioning
Wellgevity is frequently referenced within London’s broader longevity ecosystem. Its distinguishing characteristics include:
- 4P Precision Medicine framework
- Biological age testing using validated algorithms
- Muscle-centric metabolic interpretation
- ETAPS proprietary method
- Three-Level Routing System integrating remote and in-clinic diagnostics
- Participatory consultation structure
Dr. Tamsin Lewis’s background in neuroscience and elite sport informs the clinic’s muscle-focused and performance-aware perspective.
Operational scale, market visibility, or technological integration do not equate to validated lifespan extension. The scientific field continues to evolve, and longitudinal outcome data remain limited.
Wellgevity operates at the intersection of preventive medicine, systems biology, and participatory clinical care. It does not position itself as a hospital-scale longevity center, nor as a retreat-driven experience. Instead, it functions as a physician-led practice focused on structured diagnostics, metabolic governance, and long-term physiological alignment.
The longevity field remains scientifically transitional. Many biomarkers associated with aging and chronic disease are supported by observational associations rather than definitive lifespan trials. Biological age clocks, hormone panels, and wearable metrics provide probabilistic insight, not certainty. Surrogate markers are often used because decades-long outcome studies are impractical.
Within these constraints, Wellgevity emphasizes foundations. Movement, muscle preservation, circadian rhythm, sleep stability, and metabolic flexibility are prioritized before advanced supplementation or procedural interventions. The 90-minute participatory consultation model reflects an attempt to restore dialogue between physician and patient rather than accelerate intervention cycles.
For executives who approach health as governance rather than episodic repair, the clinic offers structured review, contextual interpretation, and scheduled reassessment. The value lies in coherence and continuity rather than promise. Measurement does not guarantee outcome, but the absence of measurement increases uncertainty.
Is Wellgevity a medical clinic or a wellness practice?
Wellgevity operates as a physician-led clinical practice in London. It provides structured diagnostics, extended consultations, and medically supervised interpretation of biomarker, hormone, and metabolic data.
It is not positioned as a spa, retreat-only facility, or trend-driven wellness studio. All services are delivered within a clinical framework and under medical oversight.
Who is Wellgevity designed for?
The clinic primarily serves executives, founders, athletes, and individuals experiencing complex metabolic, hormonal, or post-viral patterns who seek structured oversight rather than short consultations.
It may also suit individuals who prefer participatory, discussion-based medical engagement rather than directive care.
Are programs personalised?
Yes. Interpretation is individualized based on laboratory findings, wearable data, hormone testing, microbiome analysis, and detailed clinical history.
Planning follows diagnostic review. It does not precede assessment.
Does Wellgevity treat chronic diseases such as diabetes or heart disease?
Wellgevity focuses on preventive diagnostics, metabolic risk mapping, and lifestyle-supported physiological regulation.
It does not replace specialist disease management programs. Individuals with established medical conditions should continue working with their primary physician or relevant consultant.
Are biological age tests definitive?
No. Epigenetic clocks and biological age algorithms provide probabilistic estimates derived from population-level data.
They identify associations with aging markers and risk patterns. They do not predict individual lifespan or guarantee reversal of aging.
Is privacy maintained?
Yes. The clinic operates under UK medical confidentiality standards. Laboratory and wearable data are handled within regulated healthcare frameworks.
Can I continue working during a program?
Yes. Wellgevity functions as an outpatient clinic. Most consultations and diagnostic sessions are appointment-based and designed to integrate into professional schedules.
Retreat participation is optional and separate from core clinical services.
Does participation guarantee recovery from Long COVID or hormonal imbalance?
No. Outcomes vary significantly across individuals. Diagnostic findings identify measurable physiological patterns but do not guarantee symptom resolution.
Clinical progress depends on multiple variables, including medical history, adherence, and environmental factors.
How should value be evaluated relative to cost?
Evaluation may consider:
- Duration of consultation time
- Depth of diagnostic testing
- Integration of wearable and hormone data
- Structured follow-up
- Participatory consultation model
Pricing reflects diagnostic scope and professional oversight rather than guaranteed outcomes.
A Strategic Pause That Protects the Years Ahead
Modern performance rarely fails abruptly. It declines incrementally through accumulated sleep disruption, metabolic drift, unmanaged stress exposure, and reduced recovery capacity. These shifts are often invisible in routine health checks and may remain unmeasured until symptoms become disruptive.
Wellgevity positions itself within this preventative window.
The clinic does not promise reversal of aging or immunity from disease. Instead, it offers structured visibility into biological systems that frequently operate below conventional diagnostic thresholds. Through expanded biomarker panels, hormone metabolite analysis, microbiome profiling, continuous glucose monitoring, and biological age modeling, patterns can be reviewed before dysfunction becomes clinically defined.
The broader longevity field remains evolving. Much of the evidence linking biomarkers to long-term outcomes is observational. Epigenetic clocks estimate trajectory rather than destiny. Lifestyle associations describe probability, not certainty.
Within these scientific limits, structured governance may offer clarity.
For executives and high-performance individuals who treat health as a strategic asset rather than an emergency response, the value lies in disciplined assessment, contextual interpretation, and periodic reassessment. Measurement alone does not guarantee an outcome. Absence of measurement increases uncertainty.
Wellgevity provides structure, continuity, and interpretive depth within an acknowledged evidence framework.
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Disclaimer
This clinic profile is provided for informational and editorial purposes only. It does not constitute medical advice, diagnosis, treatment recommendation, or endorsement. No doctor–patient relationship is created through this content.
Wellgevity operates as a physician-led clinical practice providing preventive diagnostics, biological age testing, hormone analysis, microbiome profiling, and structured consultation. The information presented here describes clinical structure and publicly available service architecture. It is not intended to guide individual healthcare decisions.
Diagnostic tools such as expanded biomarker panels, epigenetic clocks, continuous glucose monitoring, hormone metabolite testing, and wearable data integration identify measurable physiological or probabilistic risk patterns at a given time. These findings do not predict certainty of disease, guarantee prevention, reverse aging, or determine lifespan.
Longevity medicine is an evolving discipline. Many associations between biomarkers and long-term outcomes are observational rather than causative. Biological age algorithms are derived from population-level datasets and may not directly translate to individual outcomes. Research limitations include reliance on cohort data and the absence of decades-long randomized lifespan trials.
Individuals with chronic conditions, including cardiovascular disease, diabetes, autoimmune disorders, neurological conditions, or active cancer, should consult their personal physician or specialist before participating in any new diagnostic or health program.
All healthcare decisions should be made in consultation with a qualified licensed medical professional who understands the individual’s full medical history.
ExtendMy.Life does not guarantee clinical outcomes and assumes no responsibility for medical decisions made based on this informational profile.
References
Eurostat (2026) Healthy life years statistics. European Commission.
Office for National Statistics (ONS) (2026) Health and life expectancies, UK. London: Office for National Statistics.
UK Biobank (2015) UK Biobank: Protocol for a large-scale prospective epidemiological resource. Stockport: UK Biobank.
World Health Organization (WHO) (2023) World health statistics 2023: Monitoring health for the Sustainable Development Goals. Geneva: World Health Organization.
World Health Organization (WHO) (2026) Country health data – United Kingdom. Geneva: World Health Organization.
Belsky, D.W., Caspi, A., Arseneault, L., et al. (2015) ‘Quantification of biological aging in young adults’, Proceedings of the National Academy of Sciences, 112(30), pp. E4104–E4110.
Levine, M.E., Lu, A.T., Quach, A., et al. (2018) ‘An epigenetic biomarker of aging for lifespan and healthspan’, Aging (Albany NY), 10(4), pp. 573–591.
Levine, M.E., Lu, A.T., Chen, B.H., et al. (2019) ‘DNA methylation GrimAge strongly predicts lifespan and healthspan’, Aging (Albany NY), 11(2), pp. 303–327.
Torkamani, A., Wineinger, N.E. and Topol, E.J. (2018) ‘The personal and clinical utility of polygenic risk scores’, Nature Reviews Genetics, 19(9), pp. 581–590.
Franceschi, C. and Campisi, J. (2014) ‘Chronic inflammation (inflammaging) and its potential contribution to age-associated diseases’, The Journals of Gerontology: Series A, 69(Suppl 1), pp. S4–S9.
