Dr. Clark Niacin 500 (Vitamin B3) Supplement – 500 mg Niacin, 100 Capsules

Dr. Clark Niacin 500 (Vitamin B3) Supplement delivers 500 mg of high-quality niacin per capsule to support energy production, cholesterol health, and cardiovascular function. Niacin helps maintain healthy metabolism, skin health, and nervous system function. Each bottle contains 100 gelatin capsules for a convenient daily routine.