Understanding the Evidence Gaps: Diets and Fruit and Vegetable Intake Across Five Diverse Low- and Middle-Income
Manisha Tharaney1, Sonja Y Hess2, Lilia Bliznashka3
1Public Health and Nutrition Consultant, Washington, DC, USA.
Maternal & Child Nutrition
|October 22, 2025
Summary
Fruit and vegetable (F&V) intake is low globally, with limited research on effective interventions. Future research should standardize methods, understand drivers, and strengthen interventions in low-resource settings.
Area of Science:
- Public Health Nutrition
- Global Health
- Dietary Interventions
Background:
- Poor dietary quality, marked by insufficient fruit and vegetable (F&V) consumption, is a critical global public health issue.
- Existing evidence on F&V intake and intervention effectiveness in Benin, Fiji, the Philippines, Sri Lanka, and Tanzania is limited and heterogeneous.
Purpose of the Study:
- To synthesize findings on F&V intake and interventions across five countries.
- To identify research priorities for improving F&V consumption and public health outcomes.
Main Methods:
- Scoping reviews were conducted to examine diet and F&V intake data.
- Analysis focused on population groups in Benin, Fiji, the Philippines, Sri Lanka, and Tanzania.
- Literature review assessed existing food-based dietary guidelines and intervention research.
Main Results:
- All five countries show inadequate F&V intake, with adults consuming below WHO recommendations (400g/day).
- Limited scientific evidence exists due to varied assessment methods, sparse population coverage, and few rigorous intervention evaluations.
- Food-based dietary guidelines exist but their implementation and effectiveness research is scarce.
Conclusions:
- Standardizing dietary assessment methods is crucial for future research and evaluations.
- Understanding context-specific drivers of F&V intake is essential for targeted interventions.
- Strengthening intervention research in low-resource settings is a priority to improve F&V consumption globally.
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