Saputo Dairy UK (formerly Dairy Crest) is a company that processes and markets branded dairy products and fresh milk. It also produces ingredients for the global infant formula market - demineralized whey powder, a by-product from the cheese-making process, and galactooligosaccharides (GOS), a lactose-based prebiotic which helps to improve gut health. Its brands include Cathedral City, Davidstow, Clover, Country Life, Frylight, Utterly Butterly, Vitalite, and Willow.