Similac Expert Care Alimentum formula is perfect for infants with colic and food allergies due to protein sensitivities. This extra gentle formula helps settle the digestive system. Alimentum formula has proteins which are already broken down making it easier for nutrients to be absorbed and reducing the risk of an allergic reaction. Those babies who are sensitive to milk-based or soy-based formulas may benefit from Similac Expert Care Alimentum formula since it's hypoallergenic.