Applying traditional K-foods to official development assistance programs for micronutrient deficiency nutrition...

Micronutrient deficiencies are a major public health concern in low- and middle-income countries, where conventional supplementation and fortification programs are often limited by low bioavailability, fragile supply chains, cultural resistance, and poor long-term adherence. This research note proposes a food-based alternative model that leverages selected traditional Korean foods (K-foods)- gim (dried seaweed), kimchi (fermented vegetables), and cheonggukjang (fermented soybean paste)-as culturally adaptable and nutritionally dense components of official development assistance nutrition strategies. These foods provide functionally relevant nutrients, such as iodine, vitamin K2, probiotics, and fermentation-derived bioactive peptides, and offer benefits, including shelf stability, microbial resilience, and decentralized production. Employing a multidisciplinary clinical nutrition framework integrating food composition science, fermentation biology, public health nutrition, and development policy, this note presents a five-step research roadmap encompassing nutrient profiling, safety and stability assessment, cultural acceptability evaluation, community-based efficacy trials, and policy translation. By prioritizing food-based, multinutrient dietary interventions over single-nutrient strategies, the proposed model highlights a scalable and clinically relevant pathway for enhancing micronutrient status in resource-limited settings. This work contributes to emerging discussions on nutrition-sensitive official development assistance and highlights K-foods as potential tools for sustainable, culturally responsive global nutrition interventions.