Niacin, also mentioned as nicotinic acid, is vitamin B3. Vitamin B3 itself is a part of B-complex vitamins whose main functions are to prevent heart disease, improve moods, increase weight,
Niacin, also mentioned as nicotinic acid, is vitamin B3. Vitamin B3 itself is a part of B-complex vitamins whose main functions are to prevent heart disease, improve moods, increase weight,