Cảnh giác với thuốc bổ đa vitamin
Cập nhật: 09:50 16/04/2009 GMT+7
Hơn 30% số loại đa vitamin được kiểm tra gần đây bởi một công ty tư vấn Mỹ cho thấy chứa thành phần nhiều hơn hoặc ít hơn đáng kể so với mức ghi trên nhãn, hoặc bị nhiễm chì.
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