Creatine Monohydrate- I- methionnine, I- glycine and I- arginine are responsible for the composition of creatine in the body which acts as a metabolite. Minimum of 2 grams of creatine is metabolized even in an inactive person. Hence, those who are into heavy duty workouts and weight lifting have higher amounts of metabolism of creatine. Some types of fishes and red meat would be an ideal source of creatine monohydrate. However, the quantity derived by these may not be sufficient hence it is advisable to take creatine in the form of powder. Creatine is beneficial to pump your work out sessions. However, it has some side effects. One common side effect of creatine monohydrate is gastro entreaties, but it might not affect everyone.