Yilijin Lingguan 3-stage milk powder formula chart: infant milk powder formula and nutritional ingredients detailed formula overview Yilijin Lingguan 3-stage milk powder adopts advanced nutritional technology and scientific formula design to provide infants and young children with comprehensive and balanced nutrition. Its ingredients mainly include whey protein, casein protein, vegetable oil, sucrose, etc. Whey protein is a better protein that is digested and absorbed quickly, while casein is a protein that is digested and absorbed slowly. The ratio of these two proteins is reasonable and can meet the nutritional needs of babies at different times. Vegetable oil is an indispensable ingredient in milk powder. The unsaturated fatty acids contained in it are essential for infants.