Testosterone, bioavailable — lab reference
Some search terms matchedDepends on total testosterone, SHBG, albumin, calculation, and assay.
THE PURSER WELLNESS ENCYCLOPEDIA
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What’s searchable?Depends on total testosterone, SHBG, albumin, calculation, and assay.
Estrogen, thyroid, liver disease, insulin resistance, age, and medications affect SHBG.
Stress, sleep, nipple stimulation, medications, pregnancy, and macroprolactin matter.
M 18-30: 105-728; F 18-30: 83-377. Values decline substantially with age.
Assay-specific and age-dependent.
Methods and units vary. Ask why DHT was measured and whether a target is relevant to your health question.
Assay-specific, especially at low concentrations.
No broadly accepted wellness target. Ask your clinician to use exact assay and clinical indication.
Wide physiologic variation.
Single values are pulse- and timing-sensitive; confirm the clinical question.
Exogenous hormone use changes interpretation.
The test method matters.
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