10 PEDs Banned by CrossFit and How They Affect the Human Body

ADDERALL

Adderall is a combination drug containing four salts of the two enantiomers of amphetamine, a central nervous system (CNS) stimulant of the phenethylamine class. Adderall is used to treat attention deficit hyperactivity disorder (ADHD) and narcolepsy. It is also used as an athletic performance enhancer and cognitive enhancer, and recreationally as an aphrodisiac and euphoriant.

It increases alertness, aggressiveness, attention and concentration. It improves reaction time, especially when fatigued. It can cause rhythm disturbances in the heart and seizures. Some users have reported grandiose feelings and enhanced confidence as well. 

ERYTHROPOIETIN

Erythropoietin is a type of hormone used to treat anemia in people with severe kidney disease. It increases production of red blood cells and hemoglobin, resulting in improved movement of oxygen to the muscles. Epoetin, a synthetic form of erythropoietin, is commonly used by endurance athletes.

Erythropoietin use among competitive cyclists was common in the 1990s and allegedly contributed to at least 18 deaths. Inappropriate use of erythropoietin may increase the risk of thrombotic events, such as stroke, heart attack and pulmonary embolism.

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