Similac Soy Isomil Infant Formula is the top choice for complete soy nutrition, being nutritionally complete and iron-fortified. It’s designed for infants with fussiness and gas, offering a lactose-free, soy-based solution. With OptiGRO, our blend of DHA, Lutein, and Vitamin E, it supports baby’s brain, eye, and immune system development.
Key Product Benefits
- Get the complete soy nutrition your baby needs with Similac Soy Isomil, naturally lactose-free and iron-fortified
- Nourish your baby’s development with OptiGRO, featuring essential nutrients like DHA, Lutein, and Vitamin E found in breast milk
- Join the #1 brand trusted by moms for infant formula, as supported by Nielsen data for total US infant formula sales





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