Similac Pro-Sensitive Powder, 29.8 ounce (845 gram) Can. 4275 calories per can. Gentle nutrition designed to ease common tummy troubles like fussiness, gas, or mild spit-up. A 19 Cal/fl oz, nutritionally complete, non-GMO, iron-fortified infant formula designed for use as a milk-based alternative to standard milk-based formulas for sensitive tummies. Designed to support both immune and cognitive development with key ingredients found in breast milk. Suitable for infants with lactose sensitivity.