What is the difference between a dietary supplement and a conventional food?
膳食补充剂和传统食品有何区别？
Conventional foods are foods that are not dietary supplements. A dietary supplement is a product taken by mouth that is intended to supplement the diet and that contains one or more “dietary ingredients.” The “dietary ingredients” in these products may include
传统食品即膳食补充剂以外的食品。膳食补充剂是一类口服产品，它意图对饮食起到补充作用，并且含有一种或多种”膳食成分”。膳食补充剂所含的”膳食成分”可能包括：
- vitamins
- 维生素
- minerals
- 矿物质
- herbs or other botanicals
- 草本植物或其他植物
- amino acids
- 氨基酸
- other substances found in the human diet, such as enzymes
- 在人类饮食中发现的其他物质，如酶
Dietary supplements must be labeled as such and must not be represented for use as a conventional food or as the sole item of a meal or the diet. One way to distinguish dietary supplements from conventional foods is by looking at the nutrition information on the label of the product. Conventional foods must have a “Nutrition Facts” panel on their labels, but dietary supplements must have a “Supplement Facts” panel.
膳食补充剂必须按膳食补充剂进行贴签，不得提出将膳食补充剂用作传统食物或用作饮食中的一份菜。膳食补充剂和传统食物，可以通过观察产品标签上的营养信息来进行区别。传统食品的标签上必定会有一个营养表，膳食补充剂的标签上则必定会有一个补充成分表。
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参考：
《FDA Basics > What is the difference between a dietary supplement and a conventional food?》
链接：http://www.fda.gov/AboutFDA/Transparency/Basics/ucm194357.htm