Megabol 300 is a nandrolone mix containing propionate, phenylpropionate, decanoate and laurate. Due to the combination of esters with different lengths of the side chain, the steroid provides the active substance in the blood for a long time. And, although the body is able to produce nandrolone in response to prolonged heavy physical exertion, its concentration does not exceed several milligrams per milliliter of urine. Structurally, the steroid is testosterone without a carbon atom at position 19. Anabolic activity - 150% of testosterone, androgen - 30%, the level of conversion to estrogen is minimal, toxicity to the liver is not observed, the duration of action is up to a crescent, the detection time at the doping control is up to one and a half years, the level of suppression of the production of own testosterone is high / medium.