Lysine Inositol Vitamin B12 Oral Solution is a compound preparation containing lysine hydrochloride, vitamin B12 and inositol, of which lysine is one of the essential amino acids and has the function of promoting growth and development. Vitamin B12 has the role of activating amino acids and promoting the production of nucleic acids, which can promote protein synthesis, and is also important for the growth and development of infants and children, and lack of children will also suffer from loss of appetite, indigestion and other symptoms. Inositol, commonly known as vitamin B8, is a water-soluble vitamin that also promotes cell metabolism, aids growth and development, and enhances appetite. Taking lysine inositol vitamin B12 oral solution can effectively treat children’s loss of appetite and poor growth and development.