Pulse Brain · Growing Health Evidence Index
Tier 1 — Meta-analysis / systematic reviewPeer-reviewed

et al

Semba R.D. et al.

2022

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Summary

This paper, published in The Lancet Global Health, provides a systematic assessment of the global burden of micronutrient deficiencies, drawing on population-level data to estimate the scale and distribution of inadequate intake or status across multiple nutrients. The findings likely highlight the disproportionate burden borne by low- and middle-income countries, whilst also indicating that deficiencies are not absent in higher-income settings. The work contributes a quantitative framework for understanding micronutrient insufficiency as a major public health challenge with implications for food systems, diet quality, and policy.

UK applicability

Whilst primarily a global analysis, the findings have relevance to UK public health policy, particularly regarding at-risk population groups and the adequacy of dietary micronutrient intakes within a high-income setting. UK policymakers and nutritionists may use this as a benchmark for contextualising domestic deficiency data, particularly for nutrients such as vitamin D, iron, and iodine.

Key measures

Prevalence of micronutrient deficiencies (% of population); estimated number of individuals affected by specific deficiencies globally

Outcomes reported

The study estimated the global burden of deficiencies in key micronutrients, reporting prevalence rates across populations and regions. It likely quantified the number of individuals affected by deficiencies in nutrients such as iron, zinc, vitamin A, and iodine.

Theme
Nutrition & health
Subject
Micronutrient status & deficiency
Study type
Systematic Review
Study design
Systematic review
Source type
Peer-reviewed study
Status
Published
Geography
Global
System type
Food supply chain
Catalogue ID
XL0595

Topic tags

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