•Cow milk protein based formulas: This formula contains cows milk that has been altered to resemble to breast milk. The formula has a lot of nutrients within it that is easier for babies to digest. The only downfall however is some babies are allergic to protein in now milk so that would require a different type of formula such as protein or soy milk etc.

•Soy Based Formulas: This formula contains protein found in soybeans. This is especially great for babies who wish to exclude animal proteins in his/her diet. It is a great option for babies who intolerant and/or allergic to cow milk formula and lactose which is a natural carbohydrate found in cow milk.

•Protein Hydrolysate Formulas: This formula contains protein that has been broken down (hydrolyzed) into tiny sizes than are those in cow milk and soybean formula. Protein hydrolysate formula are meant for babies who have a protein allergy.

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