Men’s Health, Hormone & Performance Insights

The Fit and Fine Health Blog shares expert guidance from Dr. David Hall—combining medical insight, real-life experience, and practical strategies to help you live stronger and healthier.

Testosterone & Hormones David Hall Testosterone & Hormones David Hall

Is a Testosterone of 1,200 Really Supraphysiologic? What Healthy Young Men Actually Produce

A testosterone level of 1,200 ng/dL is often labeled “supraphysiologic.” But healthy young men in the Framingham Heart Study were measured near—and even above—that level. So why does the modern CDC-harmonized reference range top out around 916? The answer involves assay calibration, population percentiles, SHBG, free testosterone and the difference between physiologic possibility and an appropriate TRT target.

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Testosterone, TRT and Fertility: Can You Treat Low T Without Losing Sperm?

Testosterone replacement therapy can dramatically suppress sperm production—but infertility is not always permanent. A board-certified urologist explains TRT, azoospermia, hCG, semen analysis, fertility recovery, and treatment options for men who still want children.

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