The first step in treating lactose intolerance is to understand the extent to which the child can tolerate it. Thereafter, a mother, with the help of a pediatrician, can choose a lactose intolerance diet for her child. L-Zero is an efficiently formulated method that can be recommended to such babies. When a baby is 6 months old, he can be fed lactose-free milk, which includes lactose-free formula, almond milk, and soy milk. Contact the pediatrician, only after thorough examination and advice, the proper lactose-free formula should be given to the child.