Quest Flush-Free™ Niacin is a high-quality vitamin B3 supplement. Niacin (a form of vitamin B3) has long been prescribed for the treatment of cardiovascular conditions such as high cholesterol and triglyceride levels and poor circulation. Niacin also improves glucose, lipid, protein, and sterol metabolism. The flushing side effect of niacin that may occur at the dosages that may be required for therapeutic effect often prove troubling; however, by combining niacin with inositol (inositol hexaniacinate), this supplement confers the benefi ts of niacin without the unpleasant side effects.

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