niacin
nahy uh suhn
- n a B vitamin essential for the normal function of the nervous system and the gastrointestinal tract
- Potatoes are supposed to be one of the world's greatest foods, filled with calcium, niacin, iron, vitamin C and plenty of carbohydrates.
- The worst offender: niacin, sometimes sold in doses 10 times the upper limit.
- Physicians are reluctant, Agatston suggests, because niacin requires diligent follow-up to watch for side effects, taking time that most primary-care practices cannot afford.