Glanbia plc operates as a nutrition company worldwide. It operates through three segments: Glanbia Performance Nutrition, Glanbia Nutritionals, and Glanbia Ireland. The Glanbia Performance Nutrition segment manufactures and sells sports nutrition and lifestyle nutrition products in various formats, including powders, ready-to-eat bars and snacking foods, and ready-to-drink beverages through various channels, such as specialty retail, e-Commerce, and gyms, as well the food, drug, mass, and club channels. The Glanbia Nutritionals segment engages in the manufacture and sale of cheese, dairy and non-dairy nutritional and functional ingredients, and vitamin and mineral premixes. The Glanbia Ireland segment produces and sells a range of value added dairy ingredients and consumer products. This segment also sells animal nutrition and fertilizer products; and operates a chain of agricultural retail outlets in Ireland. The company also engages in the financing, research and development, property and land dealing, receivables management, management, property leasing, business service, and weight management solutions businesses. It operates a portfolio of brands, including OPTIMUM NUTRITION, SlimFast, BSN, ISOPURE, NUTRAMINO, ABB, think!, Amazing Grass, and BODY&FIT brands. Glanbia plc was founded in 1964 and is headquartered in Kilkenny, Ireland.