With a healthy diet and a dedication to training, your son probably doesn't need any dietary supplementation to allow him to become the best athlete he can be. I think he'd be better off working from the assumption that he's already got all the resources he needs within himself. This seems to react with the supplement and transform it into creatinine, a metabolic waste product. Don't overuse creatine. People usually start with high amounts over the first few days to load up the muscles, but after that, the body can only use 2 to 3 grams each day.
Creatine draws on water from other parts of the body to help the muscles do their work.
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