SI.com: Baseball has outlawed steroids and amphetamines. Would either of those drugs enhance a player's performance in the NBA?
Vitti: Not at all. The biggest high I see is from caffeine. Some supplements are loaded with it. Caffeine gives a player a heightened feeling of what's going on around him. But if you take enough of it, there's a downside. Caffeine can be a laxative, so you're running to the bathroom, and it's diuretic, so it can dehydrate you. It can also make you very irritable. Some research suggests that caffeine enhances the metabolism of free fatty acids. But I don't see it as a supplement that would enhance performance.
SI.com: What substances would actually help an NBA player?
Vitti: Well, protein and carbohydrate supplements. For guys we want to get bigger and stronger, creatine. But you don't want to put Shaq on creatine; you want to get his weight down. And substances like glucosamine and chondroitin sulfate -- both of which are found naturally in the body -- for players with joint problems. But that's a hit and miss thing. You start players on it, and if it makes them feel better, you continue it. If not, you take them off. And, of course, antioxidants.
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Yet another discrace to my profession. ANOTHER "trainer" that doesn't know his ass from his elbow. In the good ole days of Ripped Fuel (the real one not this ephedra free shit they are selling now), we would take up to 600 mgs of caffeine a day when it was time to cut up. None of us EVER got the shits.
Strength is an important part of basketball too, that's why they started having the players lift more beginning in the mid 80's. So if strength helps your game and steroids increase your strength....
You see where I'm going with this?

As for speed(another important part of the game) uh let's see, there have been a
few world class track stars who have been busted for roid use over the last few decades no?
This guy needs to study a little more than what they're teaching him in "training" school!