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The Nordic Nutrition Recommendations 2022 - principles and methodologies.

ABSTRACT: Background:The Nordic Nutrition Recommendations (NNRs) constitute the scientific basis for national dietary reference values (DRVs) and food-based dietary guidelines (FBDGs) in the Nordic and Baltic countries. Objective:To define principles and methodologies for the sixth edition of NNR to be published in 2022 (NNR2022). Design:The principles and methodologies of the previous edition of NNR were used as a starting point. Recent nutrition recommendations commissioned by other national food and health authorities or international food and health organizations were examined and dissected. Updated principles and methodologies were agreed by the NNR2022 Committee in a consensus-driven process. Results:An organizational model with 'checks and balances' was developed to minimize the influence of subjective biases of the committee members and experts. Individual chapters on all included nutrients and food groups will be updated as scoping reviews. Systematic reviews (SRs), which are the main basis for evaluating causal effects of nutrients or food groups on health outcomes, will be embedded in each chapter. A NNR SR Centre will be established for performing de novo SRs on prioritized topics. To avoid duplication and optimize the use of resources, qualified SRs commissioned by other national and international organizations and health authorities will also inform DRVs and FBDGs in NNR2022. Discussion:The evidence-based methods defined in the NNR2022 project are compatible with most contemporary methods used by leading national food and health authorities. Global harmonization of methodological approaches to nutrition recommendations is strongly encouraged. Conclusion:Evidence-informed principles and methodologies underpinned by SRs will ensure that DRVs and FBDGs defined in the NNR2022 project are based on the best available evidence and as far as possible free from overt bias.

SUBMITTER: Christensen JJ

PROVIDER: S-EPMC7307430 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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The Nordic Nutrition Recommendations 2022 - principles and methodologies.

Christensen Jacob Juel JJ Arnesen Erik Kristoffer EK Andersen Rikke R Eneroth Hanna H Erkkola Maijaliisa M Høyer Anne A Lemming Eva Warensjö EW Meltzer Helle Margrete HM Halldórsson Þórhallur Ingi ÞI Þórsdóttir Inga I Schwab Ursula U Trolle Ellen E Blomhoff Rune R

Food & nutrition research 20200618

<h4>Background</h4>The Nordic Nutrition Recommendations (NNRs) constitute the scientific basis for national dietary reference values (DRVs) and food-based dietary guidelines (FBDGs) in the Nordic and Baltic countries.<h4>Objective</h4>To define principles and methodologies for the sixth edition of NNR to be published in 2022 (NNR2022).<h4>Design</h4>The principles and methodologies of the previous edition of NNR were used as a starting point. Recent nutrition recommendations commissioned by othe ...[more]

PMID: 32612489

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Project description:Background Knowledge about the nutrient intakes and food consumption in the Nordic and Baltic countries is important for the formulation of dietary reference values (DRVs) and food-based dietary guidelines (FBDGs), as part of the Nordic Nutrition Recommendations 2022 project (NNR2022). Objective To describe nutrient intake and food consumption at a broad level in the adult population of each Nordic and Baltic country. This paper also provides guidance on where to find more information on the nutrient intake and food consumption reported from each country. Design Information about the dietary surveys as well as the daily mean intakes was retrieved from the national dietary surveys in each of the Nordic and Baltic countries. Tabulation of the population intakes divided by sex for macronutrients, 20 micronutrients, and for the following broader food groups, Beverages, Cereals, Potatoes, Vegetables, Fruits and berries, Fish and seafood, Meat and meat products, Milk and dairy products, Cheese, Eggs, Fats and oils, and Sweets and sweet bakery products, was done. Results and Discussion The Nordic and Baltic countries share not only similarities but also differences in food consumption patterns, which is reflected in differences in average food consumption and nutrient intakes between the countries. This may be related to the dietary assessment method, prevalence of misreporting, and participation rates in the different dietary surveys. Other factors that may play a role are differences in the calculation procedures in the food composition databases and the definition of food groups. Conclusion The nutrient intake and, especially, food consumption differ between the Nordic and Baltic countries because of differences in food patterns and factors related to the dietary surveying, food grouping, and calculation procedures in each country. To facilitate future comparisons between countries, it would be of interest to harmonize food groupings and the age groups reported on.

Project description:BACKGROUND:The present literature review is part of the NNR5 project with the aim of reviewing and updating the scientific basis of the 4th edition of the Nordic Nutrition Recommendations (NNR) issued in 2004. OBJECTIVES:The overall aim was to review recent scientific data on the requirements and health effects of vitamin D and to report it to the NNR5 Working Group, who is responsible for updating the current dietary reference values valid in the Nordic countries. METHODS:The electronic databases MEDLINE and Swemed were searched. We formulated eight questions which were used for the search. The search terms related to vitamin D status and intake and different health outcomes as well as to the effect of different vitamin D sources on vitamin D status. The search was done in two batches, the first covering January 2000-March 2010 and the second March 2009-February 2011. In the first search, we focused only on systematic literature reviews (SLRs) and in the second on SLRs and randomized control trials (RCTs) published after March 2009. Furthermore, we used snowballing for SLRs and IRCTs published between February 2011 and May 2012. The abstracts as well as the selected full-text papers were evaluated in pairs. RESULTS:We found 1,706 studies in the two searches of which 28 studies were included in our review. We found 7 more by snowballing, thus 35 papers were included in total. Of these studies, 31 were SLRs and 4 were RCTs. The SLRs were generally of good or fair quality, whereas that of the included studies varied from good to poor. The heterogeneity of the studies included in the SLRs was large which made it difficult to interpret the results and provide single summary statements. One factor increasing the heterogeneity is the large variation in the assays used for assessing 25-hydroxyvitamin D concentration [25(OH)D], the marker of vitamin D status. The SLRs we have reviewed conclude that the evidence for a protective effect of vitamin D is only conclusive concerning bone health, total mortality and the risk of falling. Moreover, the effect was often only seen in persons with low basal 25(OH)D concentrations. In addition, most intervention studies leading to these conclusions report that intervention with vitamin D combined with calcium and not vitamin D alone gives these benefits. It was difficult to establish an optimal 25(OH)D concentration or vitamin D intake based on the SLRs, but there are evidence that a concentration of ?50 nmol/l could be optimal. The dose-response studies relating vitamin D intake (fortification and supplementation) to S-25(OH)D suggested that an intake of 1-2.5 µg/day will increase the serum concentration by 1-2 nmol/l but this is dependent on the basal concentration with a response being greater when the basal concentration is low. CONCLUSION:Data show that a S-25(OH)D concentration of 50 nmol/l would reflect a sufficient vitamin D status. Results from this review support that the recommendation in NNR 2004 needs to be re-evaluated and increased for all age groups beyond 2 years of age. We refer to the total intake from food as well as supplements, given minimal sun exposure. Limited sunshine, however, does not reflect the situation for the majority of the Nordic population in the summertime. It should also be emphasized that there are large differences in results depending on assay methods and laboratories measuring 25(OH)D, adding to the uncertainty of determining an appropriate target concentration. Moreover, the dose-response of vitamin D on serum 25(OH)D-concentrations is not well established and is dependent on the basal concentrations, sunshine exposure and dietary intake. We advise that these uncertainties should be taken into account when setting the final Nordic recommendations.

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The Nordic Nutrition Recommendations 2022 - principles and methodologies.

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The Nordic Nutrition Recommendations 2022 - principles and methodologies.

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