Creatine is a chemical compound stored in your muscles and in smaller amounts in the brain, liver, kidneys, and testes. Your ...

Creatinine is a chemical produced in the body as a result of routine muscle wear and tear. Usually, it passes through the bloodstream, is filtered through the kidneys, and excreted from the body ...

No longer just for muscles, doctors are recommending this for healthy brains and longevity. So what’s all the fuss about?