
Originally Posted by
WillBrink
He's wrong, sort of. Natural creatine production is down regulated when you take creatine. It has no bearing on your age per se and is reversed when you stop taking it. Having said that, at 15, you don't require creatine. I'm sure there's plenty of room for improvement in your nutrition and training to be had way before you need creatine to make progress. Take a multi vite with meals, and perhaps a protein drink after your workouts, and focus on your nutrition and training for at least the next 3-4 years before you bother with anything else.