Soy-based. Do not add water. DHA/ARA. No. 1 brand fed in hospitals. For fussiness & gas. No. 1 formula for complete soy nutrition. Early Shield immune support, strong bones, brain & eye. Lutein & DHA. The perfect bottle every time. Similac formulas for every baby's nutritional needs. Use as directed by your baby's doctor. Advance: Complete nutrition for the 1st year. Advance. Organic. Sensitive: For babies with fussiness, gas, & spit-up. Sensitive. Spit-up. Soy. Expert Care: For babies needing extra TLC. Alimentum. NeoSure. Diarrhea. And Similac Go & Grow for toddlers learning to eat table food. Breast milk is recommended. If you choose to use infant formula, the makers of Similac have a formula that's right for your baby. Filled by volume to 1 quart. Extra space in bottle allows for shaking and easy pouring. (No dairy ingredients.)