The Nordic Nutrition Recommendations 2022 – structure and rationale of qualified systematic reviews

Background: Qualified systematic reviews (SRs) will form the main basis for evaluating causal effects of nu- trients or food groups on health outcomes in the sixth edition of Nordic Nutrition Recommendations to be published in 2022 (NNR2022). Objective: To describe rationale and structure of SRs used in NNR2022. Design: The SR methodologies of the previous edition of NNR were used as a starting point. Methodolo- gies of recent SRs commissioned by leading national food and health authorities or...