Total, Free and Bioavailable Testosterone w/Sex Hormone Binding Globulin
Total, Free and Bioavailable Testosterone w/Sex Hormone Binding Globulin
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This comprehensive testosterone test evaluates total, free, and bioavailable testosterone levels, along with Sex Hormone Binding Globulin (SHBG). Understanding these levels is crucial for assessing hormonal balance and overall health. Total testosterone includes all forms of the hormone, while free testosterone represents the active form that influences various bodily functions. Bioavailable testosterone accounts for the portion that is not bound to SHBG, making it accessible for use by the body. This test is ideal for individuals experiencing symptoms like low energy, reduced libido, or mood changes, providing a detailed picture of hormonal health.
Reasons to Check It:
Reasons to Check It:
"For an accurate testosterone, it is best to measure it first thing in the morning.
Testosterone is measured several ways: total, free and bioavailable:
- Total testosterone is all testosterone in the blood. Not all testosterone is available for use; therefore, bioavailable testosterone may be measured
- Bioavailable testosterone is the amount of testosterone that is loosely bound to albumin, but can detach and become available quickly
- Free testosterone is the amount of testosterone in the blood that is not bound to anything and is immediately available for use
Bioavailable and free testosterone are important measurements for correctly assessing the testosterone that is available for the body to use." - Dr. Alan Hopkins
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