As nutraceuticals of functional foods start to fill the supermarket shelves, it become harder to work out exactly what dosage of vitamins and minerals we are ingesting or what effect it is having on us.

• 随着营养品和功效性食物开始充斥于超市的货架上；准确计算出我们获取的维持生活素和矿物质的剂量以及它们产生的功效变得更加困难.