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Ergogenic aids are substances or practice's that enhance an individual's energy use, production or recovery. Examples include
1. mechanical aids such as attitude training, water training,nasal strips and treadmills among others
2. Pharmacological aids
They include chromium,carnitine,beta blocker,anabolic steroids and more
3. Nutritional aids
They include caffeine,bicarbonate of soda,beetroot juice,creatine among others.
Popular claims state that the above substances have an impact on the health of an individual in some way. Scientific research shows that some methods are very effective and have no effect on the health on an individual
Please let me know if you need any clarification. I'm always happy to answer your questions.