Carnitine supplements can still be beneficial, but only in populations that might suffer from carnitine deficiencies, particularly those on a vegan or vegetarian diet, those on an extreme calorie deficit, or the elderly.
肉毒碱补充剂仍然是有益的,但只适用于可能患有肉毒碱缺乏症的人群,特别是那些素食者,那些极度缺乏热量的人,或老年人。