No.1 Infant formula brand. 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). For babies born prematurely. Enriched nutrition (Increased protein, vitamins, and minerals compared to term infant formula). Brain nourishing DHA. Eye health lutein. Growth & development vitamin E. Ready to feed. 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.