1. What is partially hydrolyzed formula milk powder? Partially hydrolyzed formula is a special formula for digestive problems in infants and young children. During its manufacturing process, the protein is partially hydrolyzed, making it easier to digest and absorb. This milk powder is suitable for use when infants and young children have gastrointestinal discomfort, diarrhea and other problems. 2. What are the functions of partially hydrolyzed formula milk powder? 1. Promote digestion and absorption: Since protein is partially hydrolyzed, it is easier to digest and absorb, which can reduce the occurrence of gastrointestinal discomfort and diarrhea.