Add Yahoo as a preferred source to see more of our stories on Google. Bottle of Thorne Creatine Powder Creatine is an amino acid that can increase muscle growth, energy levels, brain health and even ...

‘Creatine is an amino acid,’ explains James Aitken, Head of Product at Crazy Nutrition. ‘It’s a naturally occurring compound found in small amounts in animal products such as meat and fish. The body ...