A member asked:

What's the total testosterone to free testosterone ratio or percentage ?

5 doctors weighed in across 2 answers

Ratios vary by: age and lab. Most testosterone is bound to SHBG, less to albumin and a small amount is free and unbound. The free is most active and the portion bound to albumin has some activity. Check the Mayo Clinic http://www.mayomedicallaboratories.com/test-catalog/Clinical+and+Interpretive/83686 for more info.

Answered 5/15/2015

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Dr. Daniel Lebowitz answered

Specializes in Anti-Aging Medicine

Depends on the : person. You have to check lab values to find out.

Answered 5/15/2015

3.8k views

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Dear sir, how much testosterone is enough for free testosterone?

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