fourts b syrup doctor prescribed for my 1.5 years baby will this syrup gain weight my baby is very thin

A. Fourts B syrup is a nutritional supplement containing vitamins, minerals, and amino acids that are used to prevent or treat vitamin and mineral deficiencies. It is used to treat anemia as it is helpful in RBCs production of blood. It supplies vitamins to the body that are essential for the normal growth of the body.