Flush-Free Niacin (Vitamin B3) Inositol Hexanicotinate Non-GMO and Gluten Free 500mg of Niacin Per Capsule, 120 Capsules Made in a GMP Compliant, FDA Registered Facility Flush-Free Niacin (Vitamin B3) Inositol Hexanicotinate Non-GMO and Gluten Free 500mg of Niacin Per Capsule, 120 Capsules Made in a GMP Compliant, FDA Registered Facility