Diagnostic Blood Test:

• Total Testosterone, Standard (ECLIA)
• Free Testosterone (Direct)

Note: This test is capped and will not display results greater than 1500 ng/dL and 50 pg/mL, respectively. If you suspect you have elevated levels of Total or Free Testosterone we recommend using the uncapped test 'Total Testosterone (LC/MS) Free Testosterone (Equilibrium Dialysis)', available here: https://marekhealth.com/product/free-testosterone-equilibrium-dialysis/

Testosterone is the primary sex hormone in men and women.

Total Testosterone test is a measure of the total amount of testosterone hormone in the blood.

Free Testosterone is a measure of unbound testosterone that is available to the body’s tissues.

Note: This test may exhibit interference when sample is collected from a person who is consuming a supplement with a high dose of biotin. Cease biotin supplementation at least 72 hours prior to blood draw.