A study published in the Journal of Clinical Endocrinology found that berberine significantly
reduced total testosterone and free androgen index levels as well as increased levels of sex - hormone binding globulin (SHBG)(which binds to testosterone) in 3 months of use.
A review of six clinical trials with 183 women with PCOS revealed that vitamin D supplementation significantly
reduced total testosterone levels (5).
Not exact matches
... the diagnosis of androgen deficiency requires only an ear attuned to the characteristic symptoms and blood test providing evidence of
reduced levels of
total or free
testosterone.
The idea is that by suppressing estrogen's effects in the body, you can enhance
testosterone's, and even increase
total testosterone levels by
reducing the amount that's naturally converted into estrogen.
Both
total testosterone and androgens levels were
reduced (by 12 % and 17 %) after three months of supplementing with vitamin D 50,000 IU daily along with calcium.
Studies have shown that NAC improves insulin sensitivity, lowers
total testosterone,
reduces bad cholesterol and enhances fertility in PCOS patients.
If your
testosterone is
reducing by 1 % a year, your
total testosterone is not going to sink below normal levels (300 ng / dL) until you're about 122 years old.