Glanbia is an international dairy, consumer food and nutritional ingredients company. Glanbia Nutrition is committed to providing science-based nutritional solutions. It has strong professional capabilities in the formulation and production of customized vitamins, minerals, nutrients, and provides innovations for ready-to-drink beverages, beverage granules, nutritional bars and nutritional products. Nutritional ingredients and programs. In its advanced production base, Glanbia produces whey protein isolate, whey protein concentrate, milk protein isolate, biologically active whey protein concentrate and milk mineral salts.