Vitamin C 80 mg. Vitamin B3 (Niacin) 16 mg. Vitamin E 30 mg. Vitamin B1 (Thiamine) 15 mg. Vitamin B2 (Riboflavin) 15 mg. Only one dose of the preparation fully covers the daily need for the most needed vitamins and minerals of the adult human body and effectively replenishes any deficiencies resulting from increased physical activity or an incorrectly balanced diet.