Advantages and Disadvantages of Jinling Guanjing Protective Milk Powder Jinling Guanjing Protecting Milk Powder is a high-end milk powder brand. In theory, the advantages should outweigh the disadvantages. However, after investigation and actual use, there are still some shortcomings. Let’s elaborate on its advantages and disadvantages from four aspects. Advantage 1: The high-quality formula of Jinling Guanjing Protective Milk Powder is very considerate in its formula. Its protein content, lactose content, fat content and other nutritional contents are very scientific and very suitable for babies 0-6 months old. Moreover, its formula has been continuously optimized, improved and innovated, which not only provides high-quality milk powder, but also ensures the health of babies.