How 6 Popular Infant Formulas Stack Up Against Each Other

The ingredients in Similac Pro-Advanced stay close to breast milk. Similac touts its patented blend of nutrients and was the first formula to include human milk oligosaccharide (HMO), an immune-system boosting prebiotic similar to that in breast milk. It is a favorite among hospitals. Here's how it compares to others:

• It only uses lactose as a sweetener, the same thing found in breast milk.
• It does not include palm oil.
• It's not organic.
• It's affordable, at $1.22 an oz.