Bridging the Gap Between Nutritional Knowledge and Iron Intake Adequacy in Medical Students
DOI:
10.29303/jbt.v25i4a.10785Published:
2025-11-30Downloads
Abstract
Iron deficiency anemia remains a significant global health issue, particularly among young adults. Medical students are theoretically expected to possess superior nutritional literacy compared to the general population due to their academic exposure to metabolism and digestive systems. However, a gap often exists between theoretical knowledge and daily dietary practices. This article reviews the literature regarding the relationship between nutritional knowledge levels and iron intake adequacy. The review highlights that nutritional knowledge involves cognitive levels ranging from recalling information to evaluation. Iron metabolism is complex, involving heme and non-heme iron absorption, which is significantly influenced by enhancers and inhibitors. Despite having high nutritional knowledge, medical students' eating behaviors are increasingly determined by modern lifestyle factors, including social media trends and fast-food consumption, which may compromise iron intake. Conclusively, bridging the gap between knowledge and practice requires not just memorization but the application of balanced nutrition principles (Tumpeng Gizi Seimbang) to ensure optimal iron bioavailability.
Keywords:
Dietary behavior Iron deficiency Nutritional literacy Medical students iron metabolismReferences
Ahmad, R., Al-Kharusi, N. A., Al-Saegh, A., & Al-Jabri, A. (2024). Zinc and Diabetes: A Connection between Micronutrient and Metabolism. Cells, 13(16), 1359. https://doi.org/10.3390/cells13161359
Aulia, J. N. (2022). Masalah Gizi Pada Anak Usia Sekolah. Jurnal Ilmiah Kesehatan Media Husada, 11(1), 22–25. https://doi.org/10.33475/jikmh.v11i1.270
Baddam, P., Abid, S., & Jain, R. (2025). Iron Deficiency and Global Disease Burden: A Comprehensive Review. Journal of Global Health, 15(2), 112–125. https://doi.org/10.7189/jogh.15.0203
Brnić, D., Wegmüller, R., Melse-Boonstra, A., Stomph, T. J., Zeder, C., & Hurrell, R. F. (2016). Iron bioavailability and absorption inhibitors in plant-based diets. International Journal of Food Sciences and Nutrition, 67(3), 215–225. https://doi.org/10.3109/09637486.2016.1164295
Choi, J. S., Kim, H., Cha, Y. S., & Lee, J. (2018). Oxidative stress and iron deficiency: The underlying mechanism of cardiovascular disease. Journal of Trace Elements in Medicine and Biology, 50, 45–52. https://doi.org/10.1016/j.jtemb.2018.06.002
Cohen, C. T., & Powers, J. M. (2024). Nutritional Strategies for Managing Iron Deficiency in Adolescents: Approaches to a Challenging but Common Problem. Advances in Nutrition, 15(5), 100215. https://doi.org/10.1016/j.advnut.2024.100215
Darsini, D., Fahrurrozi, F., & Cahyono, E. A. (2019). Pengetahuan; Artikel Review. Jurnal Keperawatan, 12(1), 97. https://doi.org/10.32583/keperawatan.v12i1.478
Ganz, T. (2016). Iron metabolism. In K. Kaushansky, M. A. Lichtman, E. Beutler, T. J. Kipps, U. Seligsohn, & J. T. Prchal (Eds.), Williams Hematology (10th ed.). McGraw Hill.
Hasibuan, A. R., Siregar, N. S., & Harahap, F. S. (2024). Peran Pendidikan Kesehatan dalam Meningkatkan Kesadaran Masyarakat Terhadap Pola Hidup Sehat di Era Digital. Jurnal Kependidikan, 13(1), 305–318. https://doi.org/10.24114/j.v13i1.51234
Hendrawan, A., Sampurno, B., & Cahyadi, K. (2019). Gambaran Pengetahuan Tenaga kerja. Jurnal Delima Harapan, 6(2), 69–81. https://doi.org/10.31935/delima.v6i2.78
Kementerian Kesehatan RI. (2019). Peraturan Menteri Kesehatan Republik Indonesia Nomor 28 Tahun 2019 tentang Angka Kecukupan Gizi yang Dianjurkan untuk Masyarakat Indonesia. Kementerian Kesehatan RI.
Kementerian Kesehatan RI. (2023). Tumpeng Gizi Seimbang: Panduan Konsumsi Sehari-hari. Direktorat Jenderal Kesehatan Masyarakat.
Khalifa, W., & Prihatiningsih, D. (2023). Hubungan Pola Makan dengan Kejadian Anemia pada Mahasiswa Putri di Universitas Aisyiyah Yogyakarta. Jurnal Kebidanan Dan Keperawatan, 14(1), 1–10. https://doi.org/10.31311/jkb.v14i1.8765
Lestari, P. Y., Tambunan, L. N., & Lestari, R. M. (2022). Hubungan Pengetahuan tentang Gizi terhadap Status Gizi Remaja. Jurnal Surya Medika, 8(1), 65–69. https://doi.org/10.33084/jsm.v8i1.3439
Lilyanti, E., Nirwana, B. S., & Khofi, K. (2023). Pengaruh Pemberian Tablet Fe Setelah Menstruasi Selama 3 Minggu Terhadap Kadar Hemoglobin Santri Putri. Jurnal Mahasiswa Kesehatan, 4(2), 142–151. https://doi.org/10.30737/jumakes.v4i2.321
Lim, K. H. C., Riddell, L. J., Nowson, C. A., Booth, A. O., & Szymlek-Gay, E. A. (2013). Iron and zinc nutrition in the economically-developed world: A review. Nutrients, 5(8), 3184–3211. https://doi.org/10.3390/nu5083184
Maulidanita, R., & Zakiyah, Z. (2023). Factors related to nutrition knowledge during pregnancy in the working area of susoh community health centre. Science Midwifery, 11(2), 150–158. https://doi.org/10.35335/midwifery.v11i2.1120
Maywald, M., & Rink, L. (2024). Zinc Deficiency and Zinc Supplementation in Allergic Diseases. Biomolecules, 14(7), 863. https://doi.org/10.3390/biom14070863
Muhammed, H., & Vadstrup, S. (2014). Iron and enzyme catalysis in human metabolism. Journal of Biochemistry, 156(5), 275–283. https://doi.org/10.1093/jb/mvu030
Nishi Nakagawa, T., Silva, D. A. S., & Petroski, E. L. (2023). Socio-economic status and diet quality in university students. Public Health Nutrition, 26(4), 789–798. https://doi.org/10.1017/S136898002200213X
Oeberst, A., Kimmerle, J., & Cress, U. (2016). Mass Collaboration and Education. Computer-Supported Collaborative Learning Conference, 1, 100–107. https://doi.org/10.1007/978-3-319-13536-6
Pereira, R. A. (2023). Social Media Trends and Eating Habits: The Impact of Viral Diets on Young Adults. Journal of Nutrition Education and Behavior, 55(4), 234–245. https://doi.org/10.1016/j.jneb.2023.01.005
Rahma, A. S., Nurdin, A., & Arsin, A. A. (2024). Prevalensi dan Faktor yang Memengaruhi Kejadian Anemia pada Remaja Putri di Kota Makassar. Jurnal Kesehatan Reproduksi, 15(1), 43–53. https://doi.org/10.22435/kespro.v15i1.6543
Suega, K. (2015). Aspek Biologik dan Klinik dari Besi: dari Anemia Defisiensi Besi sampai Anemia dengan Kelebihan Besi. PT. Percetakan Bali.
Sufyan, D. L., Praditsaporn, S., & Rimbawan, R. (2021). Nutrition Knowledge Determinants among Undergraduate Students in Selected University in Jakarta. Indonesian Journal of Human Nutrition, 8(1), 65–75. https://doi.org/10.21776/ub.ijhn.2021.008.01.7
Utami, N. M., Hidayanti, L., & Aisyah, I. S. (2023). Tingkat pengetahuan gizi dan citra tubuh dengan status gizi remaja putri. Nutrition Scientific Journal, 2(2), 20–27. https://doi.org/10.37058/nsj.v2i2.4567
van Zutphen, K. G., Kraemer, K., & Melse-Boonstra, A. (2021). Knowledge Gaps in Understanding the Etiology of Anemia in Indonesian Adolescents. Food and Nutrition Bulletin, 42(1), S39–S58. https://doi.org/10.1177/0379572120979241
Yogie, M., Saputra, A., & Nugraha, P. (2024). Pola tidur yang buruk dapat menjadi salah satu faktor risiko anemia pada mahasiswa. Jurnal Biomedika dan Kesehatan, 7(1), 12–18. https://doi.org/10.18051/JBiomedKes.2024.v7.12-18
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