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.

• 盖斯顿表示，许多医生对此都很勉强，因为医生开出尼克酸后，需要对药物副作用进行频繁的后续观察，对多数初级保健医生来说，时间不允许他们这样做。