Good morning madam my son age now 21months when to using to my son in junior Horlicks

A. for good Growth of the child it is important that the child should get proper nutritional requirement which is very important for the growing child specially iron and vitamin D is required for better growth and cognition . also there is role of other micronutrients. one should ensure that the child should get a proper balanced diet which contains all types of nutrients essential for growth. any kind of infection specially any chronic infection should be ruled out and treated which may hamper the growth otherwise. after 2 years of agtge you can give some powder like kids Pro/ prohance junior mix in milk twice a day for one or two months.