Wellgevity is a physician-led longevity clinic located at 10-12 Emmanuel Rd, London SW12 0BY, founded and led by Dr. Tamsin Lewis (Founder & Medical Director).
The clinic operates primarily as an advisory & case review model with 6-month commitment options, not a general appointment service. The named entry service is The Case Review (£1,250), a structured, one-off, deep-dive audit of health data. Ongoing advisory support is structured across two named tiers: Foundation Advisory (from £750/month, 6-month minimum) and Strategic Advisory (from £2,000/month).
The clinic's proprietary clinical methodology is the Bioharmony Method. Core specialist focus areas include Nervous System Regulation, long COVID recovery, and gut health alongside nervous system regulation assessment within a systems-gut health precision medicine framework.
Wellgevity – Preventive Longevity Clinic in London, UK
Wellgevity – Preventive Longevity Clinic in London, UK
Clinic Overview
Wellgevity operates as an integrative longevity practice at 10-12 Emmanuel Rd, London SW12 0BY, founded and led by Dr. Tamsin Lewis (Founder & Medical Director). The clinic's primary service model is advisory & case review with 6-month commitment options structured around the BioHarmony Method rather than standardized appointment packages.
The named entry service is The Case Review (£1,250), a structured deep dive/one-off audit of health data. A free 30-minute discovery call provides a no-commitment introduction. Ongoing engagement operates through two named advisory tiers.
Core specialist focus areas: nervous system regulation, long COVID recovery, and gut health alongside hormonal and metabolic systems assessment
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. Many individuals combine this with an executive health check for longevity for deeper insights.
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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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
🔗 Quick Links
- Clinic Overview
- Why High-Performers Choose Wellgevity
- Purpose & Executive Profile
- Medical Philosophy – 4P Medicine & Systems Approach
- Advanced Diagnostics & Medical Assessment
- What Wellgevity Does Best
- Before & After – Executive Outcomes
- Signature Longevity & Medical Programs
- Therapies, Facilities & Clinical Infrastructure
- Pricing, Program Structure & Length of Stay
- Plan Your Stay at Wellgevity
- Outcomes, Reputation & Professional Recognition
- Executive Perspective
- Frequently Asked Questions
Why High-Performers Choose Wellgevity
- Founded and led by Dr. Tamsin Lewis: Founder & Medical Director All clinical governance is directed by Dr. Tamsin Lewis, Founder and Medical Director, whose background in neuroscience and elite sport inform the clinic's muscle-centric, systems-based approach to preventive longevity medicine.
- The Bioharmony Method Named Proprietary Clinical Methodology: Wellgevity's defining clinical framework is the Bioharmony Method, a proprietary methodology structuring how biological data is gathered, integrated, and interpreted across interconnected physiological systems. This replaces the generic 'ETAPS' label. The Bioharmony Method is the officially named methodology.
- Advisory & case review model: not general appointments Wellgevity operates primarily as an advisory & case review model with 6-month commitment options designed for individuals seeking sustained clinical oversight rather than episodic consultations. The service structure reflects a longitudinal relationship model, not a one-visit assessment format.
- The Case Review: Named Entry Service (£1,250) The Case Review is the clinic's named primary entry service, a structured, one-off deep-dive audit of health data under Dr. Tamsin Lewis's clinical oversight. At £1,250, it provides a comprehensive baseline before any advisory commitment.
- Free Discovery Call: Zero-barrier entry A free 30-minute A discovery call is the lowest-friction starting point, allowing individuals to discuss their health goals and understand the service model before committing to the case review or an advisory tier.
Two named advisory tiers for ongoing engagement
- Foundation Advisory: from £750/month (6-month minimum commitment)
- Strategic Advisory: from £2,000/month (high-level ongoing oversight)
- Nervous system regulation: Named core specialty. Nervous System Regulation is a named primary clinical specialty at Wellgevity addressing autonomic nervous system dysregulation as a root contributor to fatigue, hormonal imbalance, post-viral symptoms, and metabolic disruption. This is a distinct clinical focus area not widely offered by standard longevity clinics.
- Long Covid recovery and Gut Health: Alongside Nervous System Regulation, the clinic has a heavily named focus on Long Covid recovery and gut health, reflecting Dr. Lewis's personal recovery experience and clinical expertise in persistent post-viral syndromes.
Purpose & Executive Profile
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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Medical Philosophy – 4P Medicine & Systems Approach
Wellgevity, under Dr. Tamsin Lewis (Founder & Medical Director), operates within a 4P Precision Medicine framework Predictive, Preventive, Personalised, and Participatory delivered through The Bioharmony Method.
The Bioharmony Method Named Proprietary Clinical Methodology
The Bioharmony Method is Wellgevity's named proprietary clinical approach structuring how biological data from biomarkers, hormone testing, microbiome profiling, wearables, and lifestyle variables is integrated into a coherent clinical picture. The method emphasizes biological harmony across interconnected systems rather than isolated symptom management.
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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The Bioharmony Method:
The Bioharmony Method is Wellgevity's named proprietary clinical approach structuring how biological data from biomarkers, hormone testing, microbiome profiling, wearables, and lifestyle variables is integrated into a coherent clinical picture. The method emphasizes biological harmony across interconnected systems rather than isolated symptom management.
The Bioharmony Method underpins the clinic's three named specialist areas:
- Nervous System Regulation Autonomic nervous system dysregulation is identified as a core contributor to fatigue, hormonal disruption, post-viral symptoms, sleep disturbance, and stress intolerance. The Bioharmony Method evaluates nervous system state as a primary regulatory variable, not an afterthought within the broader metabolic and hormonal framework.
- Long Covid Recovery Dr. Lewis's personal recovery experience from Long Covid informs a structured clinical approach integrating inflammatory marker tracking, hormonal evaluation, gut microbiome analysis, nervous system pacing, and metabolic monitoring. Recovery trajectories are individual; outcomes are not guaranteed.
- Gut Health The gut microbiome is evaluated within immune and metabolic contexts, recognizing that gut bacterial diversity, inflammatory burden, and digestive function influence systemic hormonal and neurological regulation.
4P Precision Medicine Framework
- Predictive: biomarkers and biological age indicators to identify emerging risk
- Preventive: addressing modifiable contributors before clinical thresholds
- Personalised: data interpreted within individual biological context
- Participatory: 90-minute consultations enabling patient engagement in decisions
Core System Focus
- Nervous System Regulation (autonomic function, HRV, stress response)
- Long Covid / post-viral immune and metabolic recovery
- Gut Health (microbiome diversity, inflammatory burden, digestive function)
- Hormonal and adrenal axis (DUTCH testing, sex-adrenal-thyroid-blood sugar)
- Metabolic flexibility and glucose regulation (CGM)
- Biological age (GrimAge, DunedinPACE epigenetic clocks)
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. Improving sleep quality for recovery plays a central role in long-term health regulation.
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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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. For a broader comparison, see the best longevity clinics in the UK.
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.
Advanced Diagnostics & Medical Assessment
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.
What Wellgevity Does Best
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 – The Bioharmony Method
The Bioharmony Method is Wellgevity's named proprietary clinical methodology integrating biomarkers, hormone metabolites, microbiome data, wearable outputs, and lifestyle variables into a structured biological interpretation framework under Dr. Tamsin Lewis's physician oversight.
Key Medical Strength 2 – Nervous System Regulation Specialism
A named core specialty at Wellgevity, Nervous System Regulation, addresses autonomic dysfunction as a primary root contributor to fatigue, hormonal imbalance, sleep disruption, and post-viral symptoms. This is an explicit clinical focus area that goes beyond general 'stress management' or lifestyle advice.
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Key Medical Strength 3 – Long Covid Recovery
Dr. Lewis's clinical expertise and personal recovery experience inform a structured long COVID recovery pathway integrating nervous system regulation, inflammatory monitoring, microbiome analysis, hormonal assessment, and structured pacing protocols.
Key Medical Strength 4 – Gut Health Integration
Gut health is a named clinical specialty evaluated through microbiome profiling within immune and metabolic contexts, recognizing the gut's role as a systemic regulatory organ influencing hormonal and neurological functions.
Key Medical Strength 5 – Advisory & Case Review Service Model
The Advisory & Case Review model with 6-month commitment options is a structural differentiator, providing sustained clinical oversight rather than transactional one-off consultations. The named tiered structure (The Case Review → Foundation Advisory → Strategic Advisory) creates a defined progression pathway.
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.
Before & After – Executive Outcomes
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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Signature Longevity & Medical Programs
All services are structured through the Bioharmony Method under Dr. Tamsin Lewis (Founder & Medical Director).
Free Discovery Call Zero-barrier entry
Free: 30 minutes
A no-commitment introductory call with the Wellgevity team:
- Discussion of health goals and current concerns
- Overview of The Bioharmony Method and service model
- Assessment of whether The Case Review or an Advisory tier is appropriate
- Free / no obligation
The Case Review: Named Entry Service
£1,250 One-off structured audit
The primary named entry service at Wellgevity is a structured deep dive/one-off audit of health data under Dr. Tamsin Lewis's clinical review:
- Comprehensive review of existing health data, medical history, and lifestyle inputs
- Interpretation through The Bioharmony Method framework
- Nervous System Regulation, hormonal, metabolic, and gut health assessment
- Structured clinical report with prioritised recommendations
- Optional progression into Foundation or Strategic Advisory tier
- From £1,250
Foundation Advisory Ongoing Tier 1
From £750/month with a 6-month minimum commitment
Structured ongoing advisory support for individuals seeking sustained clinical oversight:
- Monthly consultations with Dr. Tamsin Lewis
- Ongoing biomarker monitoring and data review
- Continuous integration of wearable data (Oura, CGM)
- Nervous System Regulation, Long Covid, and Gut Health monitoring where relevant
- Nutritional and lifestyle protocol refinement
- From £750/month (6-month minimum)
Strategic Advisory Ongoing Tier 2
From £2,000/month High-level oversight
Premium ongoing advisory for individuals requiring high-level, intensive clinical oversight:
- Priority access to Dr. Tamsin Lewis
- Expanded diagnostic depth and monitoring frequency
- Strategic-level health governance across all Bioharmony Method domains
- Complex case management including Long Covid, hormonal dysregulation, and Nervous System Regulation
- From £2,000/month
12-Week Transformational Programme (£3,999)
A structured 12-week diagnostic and interpretation pathway:
- 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
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
Four-day immersive retreat experiences:
- Nervous system recalibration
- Movement and mobility practice
- Breathwork and stress modulation
- Hormetic exposure (heat and cold immersion)
- Community-based engagement
- Optional/adjunctive to core clinical services
Therapies, Facilities & Clinical Infrastructure
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.
Pricing, Program Structure & Length of Stay
All pricing at Wellgevity reflects Dr. Tamsin Lewis's physician-led advisory & case review model delivered through The Bioharmony Method.
Pricing Overview
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Pricing reflects professional time, diagnostic depth, and data integration. It does not guarantee symptom resolution or biological age reduction.
Pricing Notes
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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. These structured pathways are similar to executive longevity testing packages designed for high performers.
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.
Plan Your Stay at Wellgevity
Clinic: Wellgevity Founder & Medical Director: Dr. Tamsin Lewis Address: 10-12 Emmanuel Rd, London SW12 0BY Service Model: Advisory & Case Review (6-month commitment options) Entry Point: Free 30-minute Discovery Call
Wellgevity operates as an outpatient practice. All attendance is appointment-based. There is no residential requirement.
You can also explore the best longevity clinics in London to compare similar providers.
Recommended Visit Duration
- Discovery Call: 30 minutes (remote)
- The Case Review: 90-minute consultation + data review session
- Foundation/Strategic Advisory: Monthly consultations (in person or remote)
- 12-Week Programme: Sessions scheduled across three months
- Retreat (Mallorca): Four-day immersive separate from core clinical services
How to Reach the Clinic
- Nearest Underground: Balham (Northern Line) short walk/taxi to Emmanuel Rd
- Overground: Streatham Hill (Overground) short taxi ride
- Nearest Airports: London Gatwick (LGW) ~25–30 minutes / London Heathrow (LHR) ~45–60 minutes
- Taxi/Rideshare: Widely available throughout South London.
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.
Outcomes, Reputation & Professional Recognition
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.
Executive Perspective
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. This reflects trends seen across the best longevity clinics in Europe.
Frequently Asked Questions
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.
