Ergogenic aids are any external influences that can positively affect physical or mental performance. These include mechanical aids, pharmacological aids, physiological aids, nutritional aids, and psychological aids. Pharmacology (from Greek grc φάρμακον pharmakon, "drug" and grc -λογία -logia) is the study of how Drugs Physiology (from Greek grc φύσις physis, "nature origin" and grc -λογία -logia) is the study of the mechanical physical Nutrition (also called nourishment or aliment) is the provision to cells and Organisms of the materials necessary (in the form of food to support Psychology (from Greek grc ψῡχή psȳkhē, "breath life soul" and grc -λογία -logia) is an Academic and
Ergogenic aids may directly influence the physiological capacity of a particular body system thereby improving performance, remove psychological constraints which impact performance, and increase the speed of recovery from training and competition.
These can be as simple as water used before and after exercising to aid in hydration, to something as advanced as anabolic steroids.