New research shows creatine isn’t just a muscle-building supplement – helps with overall health because of its effects on the heart, liver, bones, and brain. Let’s start with the basics. What is creatine? Creatine is a peptide molecule that the human body can use for energy. Muscles need fuel to work.
How Beta-Alanine Works In The Body. Looking more specifically at what beta-alanine does in the body, we need to dig a bit more into its connection with carnosine. It is through beta-alanine's direct effect that carnosine really exerts its influence, so that is really the key to understanding this supplement.