What is creatine powder and what is it good for?One of the most extensively researched active ingredients in sports nutrition, its effectiveness and safety are guaranteed. Creatine helps supply energy to the muscles by rapidly replenishing ATP, which is the main energy source for muscles. During exercise, when ATP is quickly depleted, creatine phosphate helps to restore it, enabling more intense workouts. You can increase your strength by up to 20% by consuming 3g of creatine daily.