"Creatine only helps the most highly trained and conditioned athletes. Creatine gives them extra energy so the can work out longer and harder. Lazy slobs, or even occasional athletes, who don't have much muscle or strength to begin with won't benefit much from taking creatine. This is especially true with kids who are still growing. Muscles that grow too quickly through the use of supplements like creatine or steroids are more likely to get injured."

How much of this is true?