First and foremost, a supplement is, by its very definition, meant to be something added to an already balanced diet. If your diet sucks, no amount of supplementation will help you. Begin by getting your diet right; then, and only then, should you consider taking supplements.

Secondly, it is important to note that supplements are not drugs. If they were drugs, they would only be available by prescription, yet GNC and bodybuilding.com do not require a physician's referral.

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