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Annual longevity blood test checklist by age 40, 50, and 60
Use this annual longevity blood test checklist to baseline labs at 40, repeat the right markers at 50, and re-check key risks at 60 while avoiding overtesting.
Best home biomarker tests for longevity: what to compare before buying
Compare the best home biomarker tests longevity buyers should evaluate by quality, supervision, repeatability, privacy, and actionability. SuperAge.
Doctor-ordered labs vs at-home kits for longevity tracking
Doctor-ordered labs are best for diagnosis and medication decisions; at-home kits can help low-risk trend tracking. Learn accuracy, CLIA, FDA, and follow-up rules.
How to prepare for a longevity blood test so results are useful
Prepare for a longevity blood test with a practical checklist for fasting, exercise, sleep, illness, alcohol, medications, hydration, and repeat timing.
RDW high with normal hemoglobin: why it matters
High RDW with normal hemoglobin can signal early iron, B12, folate, inflammation, or mixed blood-cell stress. Learn what to ask next.
Ferritin normal but iron saturation low: what to ask next
Ferritin normal but iron saturation low can reflect early iron deficiency, inflammation, functional iron restriction, or timing noise. Learn what to ask.
Health checklist for men over 40: the 10 tests that matter most
The essential health screening checklist for men over 40. Learn which blood tests, physical exams, and fitness assessments to get — and how often — to catch problems early.
The complete blood work guide for longevity: every test explained
Complete blood work guide for longevity: biomarkers, optimal ranges, testing cadence, panel tiers, and how to use labs to track biological age.
Blood tests for longevity: the optimal panel and how often to test
Discover which blood tests matter most for longevity. From PhenoAge biomarkers to emerging aging markers, build your optimal panel and testing schedule.