问:素食者吃蛋及奶类制品是否需要补充铁剂?答:不少资料表明素食者的饮食不影响铁剂状况。然而,重要的是饮食必须提供足够的能量。一般来说,生物学上可用的铁含量在蔬菜中较肉类中少。这是由于:①植物食品中的铁是非血红素铁;②经消化、吸收及为身体所用的生物有效部份的铁受饮食其 Q: vegetarians need to eat eggs and dairy products iron supplements? A: Many data show that vegetarian diet does not affect the iron status. However, it is important that the diet provide enough energy. In general, the biologically available iron content is less in vegetables than in meat. This is due to: ① the iron in plant foods is non-heme iron; ② the iron that is digested, absorbed and bio-effective for the body is consumed by diet