A healthy result should fall into the range 2.3 - 14 ng/mg.
Testosterone in Women
The main male sex hormone, testosterone is also important for women. Optimizing testosterone in women with low or low-normal levels may improve poor libido, vaginal dryness, muscle mass, and overall sense of optimism and well-being. Low levels may be due to low DHEA precursor or adrenal stress. High levels are common in PCOS or may be a sign of over-supplementation.
Testosterone in Men
Lower levels in men are increasingly common and can lead to fatigue, apathy, loss of muscle mass and strength. Low or low normal levels in young to middle aged men can be an indicator of environmental toxicity.42-44 High levels are rarely seen except in cases of over-supplementation. Testosterone metabolizes to more potent androgens via 5α-reductase and aromatizes to estradiol. Testosterone in men should be evaluated in relationship to estrogens in order to evaluate possible over-aromatization.
Causes of decreased levels of testosterone in women:
- Declines with age
Causes of decreased levels of testosterone in men:
- declines at variable range with age
- excessive aromatase activity (testosterone -> estradiol)
- Klinefelter syndrome
- marijuana use
Depending on your age, consider testosterone HRT or supplements that support low testosterone symptoms include Zinc, Maca, Tribulus, and Shatavari. If there are no symptoms of low testosterone, also carefully look at the 5a-metabolism and testosterone's downstream metabolites, 5a-androstanediol and 5b-androstanediol to confirm a low androgenic state.
Causes of increased levels of testosterone in women:
- Testosterone, pregnenalone, DHEA supplementation
- Polycystic ovaries
- Insulin Resistance
- Congenital adrenal hyperplasia
- Adult onset adrenal hyperplasia
- Ovarian neoplasm
Causes of increased levels of testosterone in men:
- testosterone, pregnenalone, DHEA supplementation
- XYY syndrome
- Aromatase inhibitors
- Aromasin (Exemestane) Arimidex (Anastrozole), Femera (Letrozole).
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