11/18/2023 0 Comments Sports performance at stack sports![]() 29Īnabolic steroid users also report that their muscles recover faster from intense strain and muscle injury. More benefit is seen for strength-dependent sports (weightlifting, shot-put throwing, football) than for sports that require speed, agility, flexibility, and/or endurance. Increasing muscle mass may also promote strength, which can improve performance in certain types of sports. Most users report that anabolic steroids help them achieve their ideal body. 19Īs a result, some users report taking anabolic steroids to increase confidence and because they feel that they are at a point where they can no longer get bigger through weight training alone. Steroid use is often associated with a form of male body dysmorphic disorder called muscle dysmorphia, a preoccupation with the perceived inadequate size of their muscles. The aim, for non-athlete weightlifters, is typically improvement of appearance. 14Īnabolic steroids increase lean muscle mass when used in conjunction with weight training. 13 The purchase of these supplements, with the notable exception of dehydroepiandrosterone (DHEA), became illegal after the passage of the Anabolic Steroid Control Act of 2004, which amended the Controlled Substances Act. Less is known about the side effects of steroid precursors, but if large quantities of these compounds substantially increase testosterone levels in the body, then they also are likely to produce the same side effects as anabolic steroids themselves. ![]() Athletes took steroid precursors in an effort to boost testosterone levels. In the United States, dietary supplements containing steroid precursors such as tetrahydrogestrinone (THG) and androstenedione previously could be purchased legally without a prescription. Creatine, which boosts exercise capacity, is one common example. Nutritional/dietary supplements are substances purchased legally from nutritional stores or via the internet that are often taken in combination with other APEDs. Thyroid hormones: substances that regulate metabolism by altering the function of the thyroid.sale of dietary supplements containing ephedrine/ephedra due to various possible health risks including cardiovascular and nervous system effects. Ephedrine/ephedra used to be included in dietary supplements that promoted weight loss, increased energy, and enhanced athletic performance. An example is ephedrine, which is derived from the ephedra plant. Sympathomimetics: drugs that are similar in structure and action to epinephrine and norepinephrine-natural chemicals in the body that increase heart rate, constrict blood vessels, and raise blood pressure. ![]() Examples are caffeine, the asthma drug theophylline, and theobromine-a substance found in chocolate, coffee, and tea.
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