Koiwai Milk Products

Koiwai Milk Products is a prominent Japanese dairy and functional food company, operating as a key subsidiary of Kirin Holdings. The company leverages advanced fermentation biotechnology to develop health-oriented dairy products, most notably those incorporating the proprietary Lactococcus lactis strain Plasma (LC-Plasma). This specific probiotic strain is clinically recognized for its ability to activate plasmacytoid dendritic cells, providing a unique mechanism for immune system support. Koiwai's business model integrates traditional high-quality dairy production with modern life science research to address consumer needs in the "Food as Medicine" sector. Their portfolio includes milk, yogurt, and cheese products distributed widely across the Japanese market.