Grade A. Vitamins A&D added. rBST free (No significant difference has been shown between milk from cows treated with artificial growth hormone rBST and cows not treated with the artificial growth hormone rBST.). The very best. Gold star quality. Pasteurized. Homogenized. Fat content has been reduced from 8 g to 5 g per serving. Our pledge is that this milk is from cows that have not been treated with any artificial growth hormone.