0-12 months. Powder milk-based. Gluten free. No artificial growth hormones (No significant difference has been shown between milk derived from rbST-treated cows.). For spit-up in healthy infants. Complete nutrition with added rice starch. OptiGRO. DHA: Brain nourishing. Lutein: Eye health. Vitamin E: Growth & development. Breast milk is recommended. If you choose to use infant formula, the makers of Similac have a formula that's right for your baby. www.Similac.com. FeedingExpert.com. Have product-related questions? Call 1-800-515-7677, 8:30 am - 5:00 pm, Eastern time, weekdays. Feeding Expert from Similac. Help with feeding questions is available at 800-986-8800. FeedingExpert.com. Please consult your baby's doctor before switching formula.