To choose a longevity clinic in Bangkok, evaluate it against eight criteria: named physicians with published credentials, biomarker depth matched to your goals, personalized protocols instead of fixed packages, transparent published pricing, a documented follow-up cadence, an evidence-informed tone free of cure claims, verifiable facility and laboratory standards, and a physician-led model where a physician owns every clinical decision. A provider that can answer all eight in writing is worth a consultation. One that cannot is not.
This is a neutral framework, not a ranking. The right provider depends on your objectives and your starting biomarkers β but the criteria below hold regardless of who you choose. The reader we have in mind is a working executive in his forties or fifties, short on time and long on scrutiny, though the same standards apply to anyone weighing a longevity program.

The Eight Criteria That Matter
1. Doctor-led, not coach-led
The most important distinction in this category is who owns the clinical decision. In a doctor-led model, a licensed physician interprets your data, prescribes the protocol, and adjusts it over time. In a coach-led or commercial model, treatments are sold by type β drips, supplements, single tests β with no named physician attached to the decision. Assessment first. Always. Ask who signs off on your protocol, and expect a name.
2. Physician credentials visible and verifiable
The prescribing physicians should be publicly named on the website with a complete training history and credentials you can check independently. If a provider will not name the physician responsible for your care, you have no way to verify clinical accountability. This is the single most filterable criterion β it eliminates a large share of the field in seconds.
3. Biomarker depth matched to your goals
A program's real substance is its biomarker scope. A credible entry baseline covers metabolic and inflammatory markers; deeper tiers add full hormonal mapping, and the most comprehensive add genetic and biological-age analysis. More testing is not automatically better β the scope should match your objectives. For men over 45, hormonal and metabolic mapping is often the highest-yield start; for women, the perimenopausal transition is a natural checkpoint where hormone mapping earns its place. Ask what is measured, and why it is relevant to you.
4. Personalized protocols, not fixed packages
A protocol should be built from your biomarkers, history, and goals β not pulled off a shelf. A provider that recommends the same intervention to everyone who walks in is selling a product, not practicing longevity medicine. The output of a good assessment is a plan specific to you, with the reasoning made explicit.
5. Transparent, published pricing
Look for published pricing with clear inclusions and no crossed-out reductions, vanishing "partner discounts," or quotes that only materialize after a visit. Pricing that changes depending on how you ask is a governance problem, not a promotion. You should be able to see what a program costs and what it contains before you commit.
6. Documented follow-up and review cadence
A biomarker test is worthless without a physician review to interpret it and adjust the plan. The model that works is longitudinal β measure, intervene, re-measure. Favor providers that specify the number and format of reviews in writing over those that offer "follow-up on request." Retention of care, not a single visit, is where longevity outcomes are made.
7. Evidence-informed, not hype
Serious longevity medicine speaks in measured terms: an intervention may support a marker, is clinically associated with an outcome, is delivered under medical supervision. Language that promises to reverse aging, guarantee results, or deliver a miracle is a signal to walk away. The tone of the marketing tells you how the medicine is practiced.
8. Verifiable facility and laboratory standards
Advanced testing and any compounded or cellular products should be routed to accredited laboratories, with documentation available on request β certificates of analysis, laboratory partners, and accreditations you can verify. A provider confident in its supply chain will show you the paperwork. One that deflects the question is answering it.

Red Flags and Green Flags
The criteria above translate into a quick field test. Use this table when you are comparing two or three providers side by side.
| Signal | Red Flag | Green Flag |
|---|---|---|
| Clinical ownership | No named physician; sales staff advise on treatment | Named, credentialed physician owns every protocol decision |
| Sequence of care | Therapy sold before any assessment | Biomarker assessment precedes any prescription |
| Claims | "Reverses aging," "guaranteed," "miracle" | "May support," "medically supervised," eligibility assessed |
| Pricing | Hidden until you visit; crossed-out discounts | Published, itemized, stable in writing |
| Follow-up | One visit; "follow-up on request" | Defined review cadence documented up front |
| Standards | Deflects questions about labs and sourcing | Accredited labs; documentation available on request |
Questions to Ask Before You Book
Before your first appointment, send these questions in writing and read how a provider responds. The willingness to answer is as informative as the answers themselves.
- Who prescribes β which named physician owns my protocol, and what are their credentials?
- What is measured β which biomarkers are in the baseline, and why are they relevant to my goals?
- What happens after testing β how many physician reviews are included, and over what period?
- What it costs β can I see itemized, published pricing before I commit?
- Where it is processed β which laboratories handle advanced testing and any compounded products, and are their accreditations available?
A useful starting point is understanding what a longevity program actually delivers β our guide to the benefits of a longevity program and our overview of what to expect at a first visit both help you frame these questions before you send them.
Where Healthi Life Fits
Applied to Healthi Life, the framework reads as follows β stated factually, for you to verify rather than take on faith.
Healthi Life is a doctor-led longevity house in Ekkamai, Bangkok. Protocols are designed and supervised by two named, credentialed physicians: Dr. Sarassawadee Suwanjinda (Dr. Petch), Chief Medical Strategy Officer and a Diplomate of the International Board of Lifestyle Medicine (IBLM), and Dr. Napat Hunsajarupan (Dr. First), Chief Medical Officer.
The model is assessment-first. Care is organized around three pillars β recovery and performance medicine, advanced diagnostics, and longevity programs β and no protocol is prescribed before a physician has reviewed a guest's biomarkers. The bridge from a first advanced health check-up into a structured longevity program is the continuity this framework asks you to look for: measure first, then decide, then re-measure. Whether that fits your objectives is a question best answered in a consultation, not a marketing claim.
Making the Decision
Choosing a longevity provider is a governance decision as much as a medical one. The eight criteria and the red-flag table above are designed to be used, not admired β run any provider you are considering through them, and let the failures do the filtering. The strongest signal, across every criterion, is a named physician who measures before prescribing and stays accountable through documented reviews.
If you would like to see how this framework plays out in practice, book a physician-led consultation and bring your questions.
All programs begin with physician assessment. No protocol is prescribed without context.
Precision interventions. Long-term strategies. No shortcuts.
This page is for general information and does not constitute medical advice, diagnosis, or treatment. Results vary between individuals. Always consult a qualified physician about your condition. See our full medical disclaimer.
References
- Biomarkers of Aging for the Identification and Evaluation of Longevity Interventions. PMC. pmc.ncbi.nlm.nih.gov
- Precision and Personalized Medicine: How Genomic Approach Improves the Management of Cardiovascular and Neurodegenerative Disease. PMC. pmc.ncbi.nlm.nih.gov
- International Board of Lifestyle Medicine β Diplomate certification. iblm.co

Dr. Sarassawadee Suwanjinda (Dr. Petch)
Verified PhysicianCo-Founder & Chief Medical Strategy Officer
International Board of Lifestyle Medicine (IBLM) Diplomate
Dr. Sarassawadee Suwanjinda (Dr. Petch) is Co-Founder & Chief Medical Strategy Officer at Healthi Life, an International Board of Lifestyle Medicine (IBLM) Diplomate. She leads the longevity programs β biological-age and biomarker-driven protocols designed and re-tested over time.
