Has anyone researched C4 pre-workout? If so, have there been any studies that reveal the safety of the product?

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1.51K viewsDecember 8, 2012

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Stacey 0 December 7, 2012 0 Comments

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Sue 0 Posted 0 Comments

You may want to do a basic google search on studies conducted.
There are very loose guidelines on most non regulated items.