Nur Khamidah

The Influence of Zinc Supplementation on Improving Learning Concentration and Hemoglobin Levels in Anemic Adolescent Girls at Junior High School

2025 · Prisma Sains Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram

Mild to moderate anemia impairs cognitive performance and academic engagement among adolescent girls, yet school-based nutrition programs in Indonesia focus largely on iron and vitamin A. This study evaluated whether a focused 30-day regimen of …