See information panel for additional information. No preservatives. Hood farmers pledge. No artificial growth hormones. (No significant difference has been shown between milk derived from rbST-treated and non-rbST-treated cows). Satisfaction Guaranteed: We promise your complete satisfaction and welcome your comments. Please visit us at Hood.com or call 1-800-242-2423. Grade A. hood.com. For delicious sour cream recipes visit hood.com.