• androgens
  • An excess level of androstenedione and other androgens can cause children to have sex organs that are not clearly male or female ( ambiguous external genitalia ), excess body hair ( hirsutism ), and abnormal menstrual periods in girls and precocious (early) puberty in girls and boys. (labtestsonline.org)
  • supplements
  • One study used a daily dosage of 300 mg of androstenedione combined with several other supplements, and also found no increase in strength when compared to a control group that did not take the supplements. (wikipedia.org)
  • However, due to the federal ban on androstenedione supplements, it is difficult to carry out new research on its effects. (wikipedia.org)
  • The review authors conclude that individuals should not use androstenedione supplements due to the lack of evidence of beneficial effects, the wide variation in individual responses to the supplement, and the risk of unknown side effects. (wikipedia.org)
  • In March 2004, the Department of Health & Human Services (HHS) sent warning letters to 23 companies asking them to cease distributing products sold as dietary supplements that contain androstenedione and warning them they could face enforcement actions if they do not take appropriate actions. (legalexaminer.com)
  • concentrations
  • Results The concentrations of androstenedione (A4), 17α-hydroxyprogesterone (17-OHP), aldosterone (ALD), cortisone (COR), corticosterone (CORT), cortisol (F), progesterone (P), and testosterone were significantly different between men and women (Student's t-test). (readbyqxmd.com)