fluoxymesterone is an androgen and anabolic steroid (AAS) medication which is used in the treatment of low testosterone levels in men, delayed puberty in boys, breast cancer in women, and anemia. It is taken orally. Fluoxymesterone also helps to improve physique and performance.Fluoxymesterone powder Halotestin Fluoxymesterone is used in men who do not make enough of a natural substance called testosterone. In males, testosterone is responsible for many normal functions, including growth and development of the genitals, muscles, and bones. It also helps cause normal sexual development (puberty) in boys. Fluoxymesterone powder is similar to the natural testosterone produced by your body. It belongs to a class of drugs known as androgens. It works by affecting many body systems so that the body can develop and function normally. It is not a very effective bulking agent so not often used for the purpose of achieving to have massive gains in size or in weight. Halotestin Fluoxymesterone does not aromatase to estrogen but its toxicity to the liver if use inappropriately. Possible side effects: symptoms of masculinization like acne, increased hair growth, voice changes, and increased sexual desire. It can also cause liver damage and cardiovascular side effects like high blood pressure.