The only clinically proven form is creatine monohydrate powder. The best creatine monohydrate is manufactured in Germany. Our creatine monohydrate powder is a German creatine that's so pure, it's patented. It's the finest in the world. ATP (adenosine triphosphate) is the energy source for all muscular contractions (bodybuilding). Energy is created when ATP releases one of its phosphate groups (ATP then becomes ADP). Creatine donates a phosophate back to ADP, reforming ATP and thus restoring your ATP pool. By doing so, you can work out harder, longer and more effectively. Creatine use can increase your strength and performance. It can help build lean mass by volumizing and hydrating muscle cells, thus creating a necessary anabolic environment for growth.