Complete soy-based nutrition for sensitive stomachs. Comfort your baby"s fussiness and gas with Similac Soy Isomil — specially designed with the gentleness of soy to soothe the tummy. Similac has a unique blend of DHA and Lutein — important nutrients during this critical time of brain and eye development. Some issues, such as fussiness and gas, are a common part of feeding your baby. However, if these common feeding issues continue, ask your physician about switching to Similac Soy Isomil. This container has 23.2 ounces of powder formula. Simply add it to water and mix. *Soy formulas are not recommended for premature infants with birth weights of less than 1800 g.