Exclusive Breastfeeding: Exclusive breastfeeding is putting a child to the breast for every feeding without giving a bottle or any other form of supplementation such as formula, water, or baby food. (verywellfamily.com)
How does milk donated from other mothers compare to other forms of supplementation? (pregnancymagazine.com)
The statistical benefits of breast milk in these studies are reduced by some of the various types of breast milk used (stored, pasteurized, term milk) and the various forms of supplementation or fortification of breast milk. (babyreference.com)