Creatine is an amino acid located mostly in your body’s muscles as well as in the brain. Most people get creatine through seafood and red meat — though at levels far below those found in synthetically made creatine supplements. The body’s liver, pancreas and kidneys also can make about 1 gram of creatine per day.
Does creatine come from animals?
Creatine is naturally found in animal tissues such as meats, fish, and poultry. As a result, there is decreased intake among vegetarian athletes .