Biological age testing has moved from research labs into mainstream longevity care. In 2026 a credible bio-age panel is the single most useful starting point for anyone planning a longevity programme – whether that programme is an Ayurvedic detox, a thalassotherapy week, or a multi-year metabolic intervention.

What bio-age testing measures

Modern panels combine epigenetic clocks (DNA methylation patterns, typically GrimAge or PhenoAge), inflammatory markers (hs-CRP, IL-6), metabolic indicators (HbA1c, fasting insulin) and body composition. The output is a single biological age number, plus pace-of-ageing and organ-specific sub-scores.

Why it matters

Chronological age is fixed; biological age is modifiable. Guests who repeat a panel after a structured 12-week intervention typically see 1.5 to 3 years of biological age reduction, which translates into measurable changes in energy, sleep and metabolic flexibility.

Choosing a credible panel

Look for: CLIA or ISO 15189 accreditation, a published validation study, and clinician interpretation included in the price.

Avoid: direct-to-consumer kits with no medical review, panels that report only one biomarker, and any provider that promises age reversal without a written intervention plan.

How to use the result

A bio-age panel is most valuable as a baseline before a retreat or intervention, then repeated 12 to 16 weeks later. ResoHealth pairs each panel with a clinician consultation to translate the numbers into a personalised protocol – typically combining nutrition, sleep optimisation, targeted supplementation and a residential reset such as Ayurvedic detox or thalassotherapy.

Frequently asked questions

How often should I test? Every 6 to 12 months is sufficient for most adults; quarterly only if you are running a structured intervention.

Is the test painful? No – a standard blood draw and a saliva sample.

Can I combine bio-age testing with a retreat? Yes, and we recommend it. See our companion guides on Ayurvedic detox retreats and thalassotherapy for sequencing.

Book your bio-age panel

Ready to establish your longevity baseline? ResoHealth’s clinician-reviewed bio-age panel includes epigenetic clocks, inflammatory and metabolic markers, body composition, and a 30-minute consultation to interpret your results and design a personalised 12-week protocol. Book your bio-age test at go.resohealth.life/bio-age and start measuring what matters.