If you choose to take creatine, follow the labels instructions carefully.
By direct union with glycocoll acid, it yields glycocyamine, NH2 (HN): C NH CH 2 CO 2 H, whilst with methyl glycocoll (sarcosine) it forms creatine, NH2 (NH): C N(CH3) CH2 C02H.
There is also a slightly elevated creatine kinase level in females carrying a DMD disease allele.
Many athletes who want to remain legal and yet gain muscle bulk and energy, use creatine instead of steroids.
The use of creatine is now commonplace, with supplements widely available at a fraction of the original cost.