Glavni sastojak mesa, krvi, mozga itd. u kičmenjaka. C4 H9 N3 O2, tkivo, mišić.
A compound that is found in the muscle tissue of vertebrates; supplies energy for muscle contraction; SYN. creatin.
A white crystalline nitrogenous substance C4H9N3O2 found especially in the muscles of vertebrates either free or as phosphocreatine; also; a synthetic usually hydrated form of creatine taken especially as a dietary supplement.