Glanbia Plc engages in the manufacture and distribution of dairy and nutritional ingredients. It operates through the following segments: Glanbia Performance Nutrition, Glanbia Nutritionals, Glanbia Ireland, and All Other. The Glanbia Performance Nutrition segment manufactures and sells performance nutrition products. The Glanbia Nutritionals segment manufactures and sells cheese, dairy and non-dairy nutritional ingredients. The Glanbia Ireland segment manufactures and sells cheese and dairy ingredients, and a range of consumer products from farm inputs. The All other segment includes both the results of other equity accounted investees who manufacture and sell cheese and dairy ingredients and unallocated corporate costs. The company was founded in 1997 and is headquartered in Kilkenny, Ireland.