Injectables are used for some medical conditions, but people also use them illegally in some sports settings. They use them to boost muscle mass, performance, and endurance and to shorten recovery time between workouts.
The drugs are artificially derived from the main male hormone testosterone. Testosterone is important for promoting and maintaining muscle growth and developing secondary male sex characteristics, such as a deepening voice and facial hair.
Anabolic steroids, also called anabolic-androgenic steroids (AASs), can build muscle and improve athletic performance, but they can also have significant adverse effects, especially when used incorrectly.
Long-term, non-medical uses are linked to heart problems, unwanted physical changes, and aggression. There is growing concern worldwide about the non-medical use of steroids and its effects.
Street names include Arnolds, gym candy, pumpers, roids, and stackers.