Health Library topic
Metabolic Health
Fasting insulin, A1C, glucose, triglycerides — the markers that reveal metabolic dysfunction years before a diagnosis.
Biomarker guide
Fasting Insulin
Fasting insulin can be elevated for a decade before glucose or A1C ever move. It is one of the earliest, most actionable signals in bloodwork — and one of the most commonly skipped.
Article
What Blood Tests Should I Get?
A practical framework for building a blood panel that answers real questions — what a standard physical covers, what it leaves out, and which additions change decisions.
Article
Blood Tests That Matter for Longevity
Longevity medicine tracks a small set of markers that predict decades of trajectory rather than confirming today's diagnosis. Here is what those markers are and why.
Article
Normal Labs But You Don't Feel Well
Normal is a statistical statement about a population, not a clinical statement about you. Here is what a reference range actually represents — and what to do next.
Article
Functional Medicine Blood Tests
Functional testing is not a different laboratory. It is a wider panel and a different interpretive standard — optimal ranges, pattern reading, and root-cause questions.
Article
Preventative Blood Tests by Decade
What is worth measuring at 30 is not what is worth measuring at 60. A decade-by-decade view of preventative blood testing.
Article
SHBG: Why Normal Testosterone Doesn't Always Mean You're Fine
SHBG can dramatically change how we interpret testosterone levels. Learn why normal total testosterone doesn't always mean your hormones are working for you.