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To be sure, get a fasting testosterone test at your doctors, preferably in the morning, when the hormone’s levels peak. Repeat the test at least once, with the second a day or more after the first.
However, free testosterone is difficult and expensive to measure (it requires a time-consuming dialysis step), and many laboratories do not offer this service. The free androgen index is intended to give a guide to the free testosterone level, but it is not very accurate (especially in males — see endocrine society commentary below).
Some clinics, such as Maximus, a telehealth company, ship an at-home testing kit to you to assess your testosterone levels. In-house doctors review and approve your test results; the website ...
Risks associated with the less-controlled process of compounding bioidentical hormones are not clearly understood. In addition, the accuracy and efficacy of saliva testing have not been definitively proven, and the long-term effects of using blood testing to reach target levels of hormones have not been researched.
The majority of your testosterone is bound tightly to proteins called sex hormone-binding globulins (SHBG), which sequester the free T and take it out of action so it can’t have any end effect.
Testosterone undecanoate is a testosterone ester and a prodrug of testosterone in the body. [10] [9] [7] Because of this, it is considered to be a natural and bioidentical form of testosterone. [17] Testosterone undecanoate was introduced in China for use by injection and in the European Union for use by mouth in the 1970s.
Testosterone is the primary male sex hormone and androgen in males. [4] In humans, testosterone plays a key role in the development of male reproductive tissues such as testicles and prostate, as well as promoting secondary sexual characteristics such as increased muscle and bone mass, and the growth of body hair.
T levels increase while you sleep, peaking around 3 a.m. to 8 a.m., and are tied to your circadian rhythms. So when you stay up too late or don’t stick to a sleep schedule, it disrupts your ...