Story perspectives

Guava Juice Raises Hemoglobin, Promoted for Anemia Programs

6/1/2026

Summary

Story summary

The review recommends adding guava juice to school and antenatal nutrition programs as an anemia measure.
Studies found guava juice with iron raised hemoglobin by 1.29 g/dl versus iron alone and by 1.71 g/dl in 12 studies involving 235 participants.
The authors noted all trials were Indonesian, mainly quasi-experimental, and lacked long-term follow-up, limiting causal claims.
Professor Sumantra Ray said the findings match vitamin C benefits but cannot replace standard iron-deficiency treatment.

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Story summary

The review recommends adding guava juice to school and antenatal nutrition programs as an anemia measure.
Studies found guava juice with iron raised hemoglobin by 1.29 g/dl versus iron alone and by 1.71 g/dl in 12 studies involving 235 participants.
The authors noted all trials were Indonesian, mainly quasi-experimental, and lacked long-term follow-up, limiting causal claims.
Professor Sumantra Ray said the findings match vitamin C benefits but cannot replace standard iron-deficiency treatment.