Foundations of Longevity
Why Personalized Longevity Medicine Starts With Biomarkers
Why biomarkers matter
Longevity medicine should begin with measurement. Biomarkers can help identify patterns in metabolic health, inflammation, cardiovascular risk, nutrient status, hormones, liver and kidney function, and recovery capacity.
More testing is not always better
The best test is one that answers a clinical question and leads to a useful action. Over-testing can create confusion, anxiety, and unnecessary cost.
What gets tracked
Depending on the person, tracking may include fasting glucose, insulin, A1c, lipids, hs-CRP, thyroid markers, vitamin D, iron status, kidney and liver markers, body composition, blood pressure, sleep metrics, and fitness measures.
The goal
The goal is not perfect labs. The goal is earlier insight, targeted intervention, and follow-up to see whether the plan is working.
Practical takeaways
- Longevity medicine should be personalized, measured, and realistic.
- The strongest foundations are usually sleep, movement, metabolic health, nutrition, stress physiology, and reducing avoidable risk.
- Biomarkers and devices are most useful when they answer a clear question and lead to a safe action.
- Supplements, hormones, and advanced testing should be individualized and clinically supervised.
How SANAVITA Health approaches this
SANAVITA Health approaches longevity through a physician-led, whole-person lens. We focus on education, biomarkers, metabolic resilience, hormonal context, mitochondrial and cellular health, cognitive protection, and sustainable habits that fit the patient’s life.
Research references
- Justice JN, et al. A framework for selection of blood-based biomarkers for geroscience-guided clinical trials. 2018 https://pmc.ncbi.nlm.nih.gov/articles/PMC6336355/
- Liang R, et al. Epigenetic Clocks: Beyond Biological Age, Using the Past to Predict the Future. 2024 https://pmc.ncbi.nlm.nih.gov/articles/PMC12539533/
- López-Otín C, et al. Hallmarks of aging: An expanding universe. Cell. 2023 https://pubmed.ncbi.nlm.nih.gov/36599349/
- World Health Organization. Physical activity fact sheet https://www.who.int/news-room/fact-sheets/detail/physical-activity
