Japan 3
For each patient, a spermogram sample was taken before entering the study and at the end of every two-month period, making a total of four spermogram samples
Research suggests it may enlarge hair follicle size, extend the anagen (growth) phase of the hair cycle, and stimulate scalp circulation
As noted above, there are no official dosing recommendations
500 mg of powder per easy-to-swallow capsule
47 A randomized placebo-controlled trial with 101 menopausal participants found a combination of 520 mg black cohosh, 400 mg chaste tree, 100 mg soy isoflavones, and 500 mg evening primrose oil, taken once daily for 12 weeks, improved hot flashes and sweating, sleep problems, mood, and irritability, as well as levels of C-reactive protein (CRP) (a marker of inflammation), LDL-cholesterol, and triglycerides