1.   However, people with kidney disorders are advised not to take creatine supplements.

2.   Most researchers, while saying the science behind creatine supplements appears sound and no major side effects have yet turned up, nonetheless urge caution.

3.   There is little if any argument that, at the very least, creatine supplements can build muscle strength and size in many people.

4.   Athletes take creatine supplements to gain extra energy, train longer and bulk up.

5.   Creatine supplements work by helping the body replenish adenosine triphosphate, known as ATP, which is a key source of energy for muscle.

6.   The experts also concluded that widespread claims concerning gains in strength and speed from taking creatine supplements were unfounded.