Guanidinoacetic acid more effective than creatine

[Arnold]

Supplementation with guanidinoacetic acid [first formula on the right] boosts the creatine concentration in cells even more than supplementation with creatine [second formula] itself does, a discovery made by Serbian researchers at the University of Novi Sad. But although supplements containing guanidinoacetic acid can be bought off the shelf, the Serbs don’t think athletes should

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