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Androstenedion What is androstenedion Androstenedion a nutritional dietary supplement McCallum 17 increases athletic performance and its use has caused controversy in the sports world Once taken androstenedion elevates the testosterone levels in your body With that in mind it increases the leanness in your muscles and decreases your body fat In addition the ability of your body to recover increases and the amount of time your body needs to recover is decreased Although androstenedion is legal in Major League Baseball the National Basketball Association and the National Hockey league it is banned in the National Football League the International Olympics Committee and the NCAA The fact that androstenedion is classified as a nutritional dietary supplement McCallum 17 doesnt make any less dangerous Like any hormones it may have the same harmful side effects According to Mark McGwire andro helps him train harder and recover quickly from injuries Schrof 53 However sports medicine doctors say this drug is especially dangerous for adolescents Androstenedion is a pre-hormone It is a biological substance produced in small amounts in the body by the adrenal cortex ovary and testis Once it enters the liver it is converted into testosterone by an enzyme that acts on androstenedion The conversion only produces testosterone and requires only one enzyme reaction What becomes of the androstenedion depends on the multiple controls of the enzymes For example if the luteinizing hormone is low then the testosterone production is low too After that it is absorbed into the bloodstream High testosterone levels are associated with increases in lean muscle mass and decreases in body fat Testosterone is produced to increase muscle growth by gathering nitrogen a key component of muscle fiber In a sense androstenedion can be considered an anabolic steroid or muscle-building hormone Synthetic anabolic steroids have dangerous side effects and are illegal for non-medical uses Androstenedion is not illegal but its side effects are similar to the synthetic type Androstenedion is
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