Front of pack labelling (FOPL) provides visible nutritional information and appears to influence knowledge and reformulation. However, a recent Cochrane review found limited and inconsistent evidence for behaviour change. The present review aimed to examine studies published subsequent the Cochrane review, focusing on prepackaged foods, examining the impact of FOPL on purchasing and consumption.

中文翻译：

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包装营养标签计划的前沿：对与客观衡量的消费和采购相关的最新证据的系统回顾和荟萃分析。

包装正面标签 (FOPL) 提供可见的营养信息，似乎会影响知识和重新配方。然而，最近的 Cochrane 综述发现行为改变的证据有限且不一致。本综述旨在检查在 Cochrane 综述之后发表的研究，重点是预包装食品，研究 FOPL 对购买和消费的影响。