Creatine D3 hydrate is a deuterium labeled Creatine hydrate. Creatine hydrate is pivotal in energy metabolism of muscle and brain cells, both in physiological and in pathological conditions.

cis-4-Hydroxy-L-proline is an inhibitor of the synthesis and extracellular deposition of collagen. cis-4-Hydroxy-L-proline could inhibit fibroblast growth by preventing the deposition of triple-helical collagen on the cell layer.

1-Methylxanthine is a caffeine derivative. 1-Methylxanthine is an essential human urinary metabolite of caffeine and theophylline (1,3-dimethylxanthine, TP).