evidence: If you have feeding questions, you can get one-on-one support by calling a Similac Feeding Expert: 1-800-986-8800 (M-F, 8:30 AM – 7 PM, EST) If you have questions about our products and services, you can call us 1-800-515-7677 (M-F, 8:30AM - 5PM, EST) or you can reach us through this contact page.