Creatine! The most abundant Supplement out there and the most studied dietary supplement! Creatine is one of the most tested supplements on the market. Creatine saturates your muscles with water and nutrients to provide them the ability to produce energy more frequently and efficiently. What this translates to in the end is longer and more explosive workouts, allowing you to put on size and strength. There are many types of Creatine, such as Monohydrate, HCl (Hydrochloride), Nitrate, Ethyl Ester, and Buffered.