Suggested Use Take twelve (12) capsules per day in divided doses with meals, or as recommended by a healthcare practitioner. Other Ingredients Gelatin (capsule), maltodextrin, vegetable stearate, silica, microcrystalline cellulose, starch. Warning Caution: Temporary flushing, itching, rash, or gastric disturbances may occur. Liver function testing is recommended when niacin is taken in excess of 500 mg daily. Those with gout or liver diseases should avoid taking high doses of niacin. Consult with your doctor before using this product if you are taking anticoagulant medications. Individuals consuming more than 50 mcg (2,000 IU)/day of vitamin D ( from diet and supplements) should periodically obtain a serum 25-hydroxy vitamin D measurement. Vitamin D supplementation is not recommended for individuals with high blood calcium levels.Keep out of reach of children.Do not exceed recommended dose.Do not purchase if outer seal is broken or damaged.When using nutritional supplements, please consult with your physician if you are undergoing treatment for a medical condition or if you are pregnant or lactating.Store tightly closed in a cool, dry place.Reproductive Harm.