Breastfeeding is the best form of nutrition an infant can receive as it meets their specific nutritional and physiological needs for the first six months of life, but for mothers who cannot or choose not to breastfeed, for whatever reason, bottlefeeding with infant formula provides a nutritionally complete substitute. This section covers how to bottlefeed safely and explains the composition of infant formulas, how they differ, and the regulations surrounding them, to help you provide the most up-to-date information to your patients if they ask for bottlefeeding advice.