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琳琅满目的营养补充剂到底都有些什么作用,能不能随便补,应该如何补?吃膳食补充剂,也是一门学问。维生素A早在公元1500年,埃及人就注意到吃动物肝脏能够治疗夜盲症。到了20世纪,科学家发现是肝脏中的维生素A起到了疗效。维生素A是指一类化合物,包括视黄醇和视黄酸,一般能通过饮食摄入,它们对生长发育、视力都非常重要。鱼油中含有丰富的维生素A,大名鼎鼎的β胡萝卜素其实是维生素A的原料,能够在身体中转化成维生素A。多吃胡萝卜就能够让你的身体制造所需的维生素A。
An array of nutritional supplements in the end what are the effects, can not just make up, how to make up? Eat dietary supplements, but also a knowledge. Vitamin A As early as 1500 AD, Egyptians noticed eating animal liver to treat night blindness. By the 20th century, scientists found that vitamin A in the liver has been effective. Vitamin A refers to a class of compounds, including retinol and retinoic acid, are generally consumed through the diet and are important for growth and vision. Fish oil is rich in vitamin A, the famous β-carotene is actually the raw material of vitamin A, can be converted into vitamin A in the body. Eat more carrots to make your body make the necessary vitamin A.