Healthvit Niacinamide Vitamin B3 is commonly used for high cholesterol. It is also used along with other treatments for circulation problems, migraine headache, dizziness, and to reduce the diarrhoea associated with cholera. It can be found in many foods, including meat, fish, milk, eggs, green vegetables, cereal grains and yeast. It prevents Vitamin B3 deficiency and related conditions such as pellagra. It is useful for for acne, leprosy, attention deficit-hyperactivity disorder (ADHD), memory loss, arthritis, preventing premenstrual headache, improving digestion, protecting against toxins and pollutants, reducing the effects of ageing, lowering blood pressure, improving circulation, promoting relaxation, improving orgasm, and preventing cataracts.