New Delhi, April 27 -- Creatine is a natural source of energy that helps your skeletal muscles flex (contract). It helps create a steady supply of energy in your muscles so they can keep working, especially while you're exercising. Sports enthusiasts, athletes and gym aficionados often consume creatine supplements to boost strength and improve performance, but it may benefit other categories of people too.

About half of your body's supply of creatine (1 to 2 grams/day) comes from diet, especially protein-rich foods such as red meat, seafood, animal milk. Our body produces the other half naturally in the liver, kidneys and pancreas. They deliver about 95 percent of the creatine to your skeletal muscles to use during physical activity. The...