Peer-reviewed article
Effectiveness of Nutrition-Specific Interventions for Reducing Child Stunting: A Systematic Review of Evidence
Eman Salim Ahmed Salim, Veni Hadju ·
Summary
Written by AI, not yet AICS's view · claude-haiku-4-5-20251001This systematic review examined the effectiveness of nutrition-specific interventions for reducing child stunting during the first 1,000 days of life. The review included 13 studies from Asia, Africa, and Latin America and found that interventions like lipid-based nutrient supplements, fortified foods, and food-based strategies produced modest improvements in child growth and stunting reduction. Effects were larger when interventions started early and were implemented in areas with high baseline stunting and food insecurity. The authors concluded that while these interventions can help improve child linear growth, their effectiveness varies depending on context.
Key points
- Lipid-based nutrient supplements, fortified foods, and food-based strategies were associated with modest improvements in length-for-age z-scores
- Larger effects were observed when interventions were initiated early in life
- Larger effects were observed in settings with high baseline stunting and food insecurity
- Effect sizes vary by context, requiring integrated and context-sensitive implementation strategies
- Review included 13 studies from Asia, Africa, and Latin America
Limitations
This is a systematic review that synthesized findings narratively rather than through meta-analysis due to heterogeneity, so it cannot provide precise quantified estimates of effectiveness. The document does not detail specific effect sizes or provide information on which individual interventions were most effective compared to others.
Abstract
Objectives: This systematic review aimed to evaluate the effectiveness of nutrition-specific interventions in improving child linear growth and reducing stunting during the first 1,000 days of life. Methods: A systematic review was conducted in accordance with PRISMA 2020 guidelines. Searches were performed in PubMed/MEDLINE, Scopus, Web of Science, and the Cochrane Central Register of Controlled Trials for studies published up to September 2025. Randomized controlled trials, cluster-randomized trials, cohort, and quasi-experimental studies assessing nutrition-specific interventions were included. Due to substantial heterogeneity across studies, findings were synthesized narratively. Results: Thirteen studies conducted in Asia, Africa, and Latin America were included. Nutrition-specific interventions, particularly lipid-based nutrient supplements, fortified foods, and food-based strategies, were associated with modest improvements in length-for-age z-scores and reductions in stunting prevalence. Larger effects were observed when interventions were initiated early in life and implemented in settings with high baseline stunting and food insecurity. Conclusion: Nutrition-specific interventions can contribute to improvements in child linear growth, especially when delivered early and sustained during the first 1,000 days. However, effect sizes vary by context, underscoring the importance of integrated and context-sensitive implementation strategies.
Findings the Hub has extracted
Each claim below is labelled by its type of design and links back to this report.
- Intervention
- Nutrition-specific interventions including lipid-based nutrient supplements, fortified foods, and food-based strategies
- Population
- Children in their first 1,000 days of life in Asia, Africa, and Latin America
Key finding
Nutrition-specific interventions were associated with modest improvements in length-for-age z-scores