Approaches to setting dietary reference values for micronutrients, and translation into recommendations

Dietary reference values (DRV) are estimates of the daily amounts of nutrients or food energy that meet the needs of healthy people. In the UK, three terms are used to express these estimates, assuming a normal distribution of requirements in a population. These are the estimated average requirement...

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Bibliographic Details
Published in:Proceedings of the Nutrition Society 2021-08, Vol.80 (3), p.365-372
Main Author: Powers, Hilary J.
Format: Article
Language:English
Subjects:
Adequacy
Age groups
Biomarkers
Chronic illnesses
Coma
Conference on ‘Micronutrient malnutrition across the life course, sarcopenia and frailty’
Decision making
Energy intake
Estimates
Experiments
Food
Food intake
Food labeling
Labeling
Menstruation
Metabolism
Metabolites
Micronutrients
Normal distribution
Nutrient requirements
Nutrients
Nutrition
Physiology
Population
Symposium four: Micronutrient malnutrition and addressing the issues
Vitamin D
Winter Conference Live 2020
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Summary:Dietary reference values (DRV) are estimates of the daily amounts of nutrients or food energy that meet the needs of healthy people. In the UK, three terms are used to express these estimates, assuming a normal distribution of requirements in a population. These are the estimated average requirement, the lower reference nutrient intake and the reference nutrient intake. DRV are for use in a variety of settings, including the assessment of adequacy and safety of nutrient or energy intake in a population group, in the design of meal provision in care settings, in food labelling and in considering food fortification strategies. DRV, and other expressions of nutrient requirements, assume a relationship between the intake of a nutrient and some criterion of adequacy, the outcome. Estimates of requirements are based on a diverse range of measures of adequacy, according to available evidence. The Scientific Advisory Committee on Nutrition (SACN) is the body responsible for reviewing and setting DRV for the UK population. The work of SACN is guided by a framework of evidence that relates food and nutrients to health. There have been calls for the harmonisation of approaches used in the setting of nutrient requirements, globally, and an increased transparency in the decision-making process. Some progress has been made in this regard, but there is a great deal of work to be done.
ISSN:0029-6651
1475-2719
DOI:10.1017/S0029665121000562