Acne Home Remedy – Vitamins 2 vitamins, niacin (nicotinic acid) and vitamin A have been employed with success to address acne. Acne vitamin remedy should consist of the consumption of 100 mg niacin, 3 times every day, and 50,000 international units of vitamin A, 3 times each day. Vitamin E (tocopherol), 400 mg, should be