Low Testosterone in Men | What are the causes, and how to raise levels?

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A episode from Purser Wellness on Substack, covering hormones, testing and nutrients.

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A place for your questions about thyroid, hormones, fertility, and changes across life.

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Approved lab referenceFrom the archive

Morning collection preferred for men. Method and age matter; confirm unexpected low values.

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Approved lab referenceFrom the archive

Mayo example age 20-24: M 5.25-20.7; F <0.13-1.08. Declines with age and is method-dependent.

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Approved lab referenceFrom the archive

Depends on total testosterone, SHBG, albumin, calculation, and assay.

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Report teachingOct 2, 2026

Levothyroxine replaces thyroid hormone, and consistency in how it is taken can affect thyroid test results.