For Baby's First 12 Months. Must add water. Advanced formula. Easy to digest. Experts agree on the many benefits of breast milk. If you decide to use infant formula, no other formula comes closer to breast milk than advanced formula Enfamil with Iron because it is closely patterned after breast milk - our Gold Standard. LactoFree was specially designed for babies with common feeding problems such as fussiness, gas, and diarrhea when due to lactose sensitivity. We have been committed to infant nutrition and innovation for nearly 100 years.