很多人认为维生素类药物是补药而大量“进补”。殊不知,在身体不需要额外补充的情况下服用大量的维生素,不但浪费资源,有时还会引起中毒。 维生素A缺乏时可患夜盲症、干眼病,影响生殖功能和胚胎的发育。维生素A治疗量一般不具有毒性,但长期作为补药大量服用,可 Many people think that vitamin drugs are a lot of tonic and “tonic.” As everyone knows, in the body without additional supplements taking large amounts of vitamins, not only a waste of resources, and sometimes cause poisoning. Vitamin A deficiency may suffer from night blindness, dry eye, affecting reproductive function and embryonic development. Vitamin A treatment is generally not toxic, but long-term as a tonic to take a lot, can be