Training knowledge, product updates, and stories from our coaching team. Written by people who actually lift.
Only 3 gym supplements have strong research behind them: creatine, protein powder, and caffeine. Everything else is either weak, situational, or a waste of money. This guide ranks every popular supplement by what the science actually shows, with exact improvement numbers, so you know where your money goes.
Creatine monohydrate is a natural compound that helps your muscles produce energy during heavy lifting and high-intensity exercise. It boosts strength by about 8%, increases muscle size, and speeds recovery. Backed by 685 clinical trials and over 12,800 participants, it is the most studied supplement in sports science. Here is how it works, how to dose it (3-5 g per day), and the real side effects.
