It is a bulking supplement that is believed to mimic the effects of Oxymetholone (Anadrol), which is a very strong androgen and anabolic steroid used primarily to treat anemia and osteoporosis. It is also used to encourage muscle growth and increase weight. The steroid has a lot of harmful side effects and is illegal. Unlike Anadrol, Abulk is formulated using 100% natural ingredients. It is legal and is totally safe for you.