Simple substitution: A lactose free formula is the same formula without the lactose but with a different sugar. It is generally used after a diarrheal illness has injured the intestines & caused a transient loss in the ability to digest lactose &or in some kids who don't have the proper enzyme to begin with & have excess gas, watery acid stools .It has the same nutrition value & has no side effects i'm aware of.
Answered 8/9/2020
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