Tevida The following up is Creatine. Creatine is delivered by the liver from common amino acids, for example, glycine, arginine, and methionine. The body additionally gets creatine from meat and fish, which are high in protein. Creatine supplies vitality to muscle cells by supporting in the arrangement of adenosine triphosphate (ATP). ATP acts like a vitality store for the cell, much like a battery. At the point when muscle strands contract the vitality required for the withdrawal originates from the transformation of ATP to adenosine diphosphate (ADP). Vitality is discharged and ATP loses a phosphate particle to beome ADP.