Promotes healthy joint function No "flush" effect Rugby's Niacinamide is a special form of vitamin B-3 that helps metabolize carbohydrates likes traditional niacin, but goes beyond to support healthy joints and maintain blood sugar. And unlike the standard niacin, niacinamide doesn't cause the "flush" effect. Free of sodium, starch, soy, corn, gluten, preservatives, yeast, artificial colors and artificial flavors.
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