As with most nootropics, Gwern has done the research.[1] Summary: creatine probably doesn't do anything for cognition. It might help some vegetarians. 1. https

As with most nootropics, Gwern has done the research.[1] Summary: creatine probably doesn't do anything for cognition. It might help some vegetarians. 1. https://www.gwern.net/Creatine https://www.gwern.net/Creatine