办事指南

Vitamin overdose

点击量:   时间:2019-03-07 04:06:04

Go easy on the vitamins if you want to stay healthy, warns a report published last week by the Institute of Medicine, part of the US National Academy of Sciences. The report reviews all the evidence on antioxidants, mainly vitamin C, vitamin E, selenium and carotenoids. Antioxidants mop up highly reactive free radicals in cells before they can damage tissue and DNA. But “very large quantities” can cause health problems such as diarrhoea, internal bleeding and hair loss, says Norman Krinsky, chair of the panel. The panel says that two glasses of orange juice a day supply enough vitamin C,