Men’s Longevity: What to Test and When

Men are statistically less likely to seek preventive care — and it shows up in lifespan. A focused testing strategy, done at the right ages, catches the things that actually move the needle.

The metabolic core (start here)

Most male longevity risk runs through the heart and metabolism. Track ApoB (a more accurate cardiovascular marker than standard LDL — JAHA), plus fasting insulin, HbA1c, hs-CRP, and a standard lipid panel. These are cheap and high-yield.

Testosterone — symptom-driven, not routine

Routine testosterone screening in men without symptoms isn’t recommended. Test if you have symptoms like low libido, erectile dysfunction, fatigue, or loss of muscle — or risk factors like type 2 diabetes or obesity. Use an early-morning sample, and know that treatment is reserved for men who meet the clinical and lab definition of deficiency (generally testosterone under ~300 ng/dL) (Urology Care Foundation).

Don’t skip cancer screening

Colorectal screening (typically starting at 45) and an individualized prostate-cancer screening discussion are among the highest-value preventive steps for men. Talk timing with your clinician.

Fitness markers worth knowing

  • VO₂ max — a top predictor of longevity, and trainable.
  • Grip strength — a simple proxy for whole-body strength and survival.
  • Body composition — muscle and visceral fat tell you more than the scale.

A simple cadence

30s–40s: baseline metabolic panel, build habits. 40s–50s: add ApoB tracking, begin cancer screening, test testosterone if symptomatic. 50s+: stay consistent on screening, prioritize muscle and cardiovascular fitness.

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About the author: Isaac Pierre, PA-C, is a board-certified Physician Associate and founder of Pierre Health, providing virtual-first primary care, functional medicine, and longevity care to patients in Minnesota and Wisconsin.

Medical disclaimer: This article is for general educational purposes and is not medical advice. It does not establish a provider-patient relationship. Lab and test costs are typical ranges and vary by provider. Talk with a qualified clinician before changing your diet, exercise, supplement, or medication routine — especially if you have a medical condition.