National Collegiate Athletic Association (NCAA) and Olympics commission have banned the several substances such as anabolic and other steroids, Dehydroepiandrosterone (DHEA), Diuretics, Blood doping, Ephedrine, human growth hormone (HGH) and take away supplement. It is because they didn’t bring a lot of benefit to our body and performance but bring more harmful to an athlete. Many drugs or supplement are brings to the athlete more damage, harmful to the athlete than good benefits.. For the best performance, it better to training and taking the proper meals and diets than taking the ergogenic aids because it may effect our body.6.1 Anabolic and other steroidsThe effect that athletes gets is usually cannot be seen in short term but in the long term. Also, it also cause to the death if the intake of this steroid is too much.Illegal according the law and in the sporting events. The effect to the athletes is numerous and potentially fatal. Examples of the substances is androstenedione, stanozolol, axiron, and fortesta. Most disease come from unwanted andro-genic effect. There are examples of the disease that related to the unwanted andro-genic like shrinking testicles, enlarged prostate gland and lower the sperm level. Some of this effect are potentially serious and include heart, liver and immune system problem. Personality changes may include aggression, paranoia, mood swings, low sex drive, and depression.There are several ergogenic aids that has been reported for having the harmful effects. The ephedrine class also give additional risk supplements such as androstenedione and other “prohormone” precursors to testosterone, yohimbine, and products that contain kava. Carbohydrate supplier has been reported as adverse. Increased insulin levels after carbohydrate consumption were shown to significantly decrease blood glucose levels in some athletes, and fructose-containing solutions have been associated with adverse gastrointestinal effects in some studies.6.2 Dehydroepiandrosterone (DHEA)It is the most dangerous and harmful steroids in human by using the synthetic versions that function to increases steroids production. This supplement will physiologic in testosterone synthesis. The testosterone level does not change in man but increases in women. They would same like cause that get from anabolic steroid.6.3 DiureticsThe medications that make person to urinate more frequently. The function of the substances that is help dilute athletes performance. This also brings a lot of harmful side effects to our body such as cramping, dizziness, blood pressure drops, and electrolyte imbalances.6.4 Blood doping Blood doping is the process that function to boost red blood cell that help to carry the oxygens to the muscles. This ways can be done by blood transfusion or by taking the erythropoietin. Blood doping can caused strokes, allergic reactions, and infections.6.5 Erythropoietin This medication is uses by the athletes to improve their performance by making more red blood cell in their body.. This can increases the ability to use oxygen because these cells can carry the oxygen. The medication doctor told the athletes does not has enough red blood cell in their body so the athlete use this ways to make more red blood cells. This give the opportunity to the athletes perform better because of the oxygens that carried in their new red blood cells. Most of the endurance athletes will taking the erythropoietin because they believe this can make them perform longer than usual because more oxygens is carry in their blood but this will effect the blood clots and death. Blood doping is the process that cost Lance Armstrong his Tour de France titles.6.6 Creatine It will increases our performance. Creatine always be used by the athlete to improve their performance and can increases their high intensity of their training. Creatine also made our body gain lean muscle mass. It also can increases our strength 5 to 15 percent of body strength but creatine also have the bad effect such as cramping and dehydration. It also completely unknown for long term effect to our body.6.7 Human growth hormone (HGH)This aids is usually used by the body builder. Some body builder takes large doses to decrease the fat and increases the muscle mass. Many side effect has been detected by using this doses such as enlarged organs and chronic disease. Effects include heart and nerve diseases, glucose intolerance, and higher levels of blood fats Other effects also come from the extra HGH levels in the body along with what is already produced by the pituitary glands.6.8 CaffeineThe uses of the caffeine may increases your mental alertness and also lower your fatigue but it also has the effect such as irritability, restlessness, diarrhea, insomnia, and anxiety if use in the too much. It usually found in the coffee, tea chocolate and soft drinks. The caffeine also causes restlessness an at least 17 deaths have records because of the combination of the caffeine and ephedrine.6.9 EphedrineThe reason why the National Football League, the National Collegiate Athletic Association and the International Olympic Committee have all taken steps to keep it off the playing fields because it has the side effect even ephedrine improve your performance, have more energy and also help them farther and faster. Its also a central nervous stimulant. Ephedrine can be more dangerous than the adrenaline because it can cause serious cardiovascular effects. Because of that, both athletic organizations and the FDA have banned this substance.