Naturally here for you! Contains probiotic cultures. rBST free (According to the FDA, no significant difference has been shown between milk derived from rBST treated and non-rBST treated cows). Supporting local culture. Active cultures, active minds. Contains Active Cultures: Lactococcus lactis, Lactococcus cremoris, Lactococcus diacetylactis, Leuconostoc cremoris, lactobacillus acidophilus, Bifidobacterium lactis. Pastuerized. Grade A.