3.8 Article

Contribution of base diet, voluntary fortified foods and supplements to micronutrient intakes in the UK

Journal

JOURNAL OF NUTRITIONAL SCIENCE
Volume 11, Issue -, Pages -

Publisher

CAMBRIDGE UNIV PRESS
DOI: 10.1017/jns.2022.47

Keywords

Dietary survey UK; Fortification; Micronutrients; Inadequacies; Supplements

Funding

  1. DSM Nutritional Products

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This study evaluated the contribution of voluntary fortified foods and supplements to reducing micronutrient shortfalls in the UK population. The findings showed that consumers of fortified foods had lower intakes of vitamins and minerals compared to those consuming a base diet only, while supplements had little effect on reducing nutrient inadequacies. The prevalence of inadequacies decreased with age, and women were more likely to have inadequate nutrient intakes compared to men. These insights can guide strategies to address micronutrients of concern in vulnerable groups in the UK.
The objective of the present study was to evaluate the contribution of voluntary fortified foods and supplements to reducing micronutrient shortfalls in the UK population. A secondary analysis of the UK National Diet and Nutrition Survey was conducted (2012/13-2013/14, N 2546, 1.5-95 years). Micronutrient intakes were derived from food consumption intake data and food composition data and calculated as the proportion below or above the Dietary Reference Values for males and females of different age groups, for those on a base diet only, users of fortified foods but no supplements and users of fortified foods and supplements. Of the population consuming a base diet only, 21-45 % and 5-29 % fell below the Estimated Average Requirement (EAR) for minerals and vitamins, respectively. About 3-13 % fewer consumers of fortified foods fell below the EAR for vitamins and minerals. Supplements barely reduced the prevalence of intakes below the EAR. Among supplement non-users and users, 99 and 96 % failed to meet the reference intakes for vitamin D. More women than men were at risk of inadequacies of micronutrient intakes. The prevalence of inadequacies declined with increasing age. Voluntary fortified foods but not supplements made a meaningful contribution to intakes of vitamin and minerals, without risk of unacceptably high intakes. These insights may help the UK to define approaches to address micronutrients of concern in vulnerable groups.

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