Testosterone Levels Test – Understanding Its Purpose, Procedure, and Results
What Is a Testosterone Levels Test? A testosterone test evaluates the concentration of testosterone circulating in your bloodstream. Hormones like testosterone act as chemical messengers , guiding several body processes — from reproductive function to muscle development. Although testosterone levels are much higher in men, women also produce it in smaller amounts through the ovaries and adrenal glands . Testosterone exists in two forms: Free testosterone: Unbound and active, directly available for body functions. Bound testosterone: Attached to proteins such as SHBG (Sex Hormone-Binding Globulin) and albumin , serving as a reserve. The test may include: Total Testosterone Test – measures both free and bound testosterone (most common). Free Testosterone Test – assesses only the unbound form. Bioavailable Testosterone Test – measures free and loosely bound testosterone, excluding SHBG-bound types. P...