The implementation of the Iron Supplementation Program for adolescent girls in Amuntai Tengah District still faces several challenges, including low compliance with iron tablet consumption, limited parental support due to a lack of understanding regarding the importance of iron supplementation, and the uneven role of teachers in program assistance. This study aims to examine the implementation of the iron supplementation program for senior high school adolescent girls in Sungai Malang Subdistrict, Amuntai Tengah District, Hulu Sungai Utara Regency, as well as the factors influencing its implementation