Booth Bros. Whole Milk is homogenized and pasteurized and delivered fresh to your local grocery store. It’s an excellent source of calcium and a good source of protein. And the Booth Bros. Milk you find at your local retailer is from farmers who pledge not to use artificial growth hormones* *No significant difference has been shown between milk derived from rbST-treated (artificial growth hormone) and non-rbST-treated cows.