Iron status testing

Covers blood tests used to evaluate iron levels—such as ferritin, serum iron, TIBC/transferrin saturation, and CBC—to spot deficiency, overload, or inflammation. Important for men’s energy, endurance, recovery, and for monitoring risks like high hematocrit when on TRT.

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The essentials for iron status testing — then explore the latest posts below.

Athlete biomarker testing for longevity: the lab numbers that keep men performing longer

Athlete biomarker testing for longevity: the lab numbers that keep men performing longer

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Jan 19, 2026 · 11 min read

Pro athletes don’t just train hard. They measure what training does to their bodies. Here’s how athlete biomarker testing can support longevity in men by catching low iron, silent inflammation, metabolic drift, and hormone stress before they cost you performance or health. “Think of biomarker testing like a dashboard for your healthspan. When men track ...

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