The perfect bottle every time. No. 1 brand fed in hospitals. No palm olein oil. No artificial growth hormones (No significant difference has been shown between milk derived from rbST-treated and non-rbST-treated cows). Complete nutrition for baby's first year. DHA: Brain nourishing. Lutein: Eye health. Vitamin E: Growth & development. Ready to feed. Similac Advance may soften stools to be more like those of the breast-fed infant. 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.