Nandrolone

Damage appeared after long-term administration of nandrolone. After the drug was given for a year or more to female monkeys they showed abnormalities in the uterus. Female reproductive behavior was disrupted in a rat experiment using doses comparable to what humans take. In humans the substance can promote male characteristics in females such as facial hair and deeper voice , and in men it can enlarge breasts while diminishing sexual organs. Other unwanted effects may include acne, aggressive...