If you’re in search of organic milk at an economical price, look no further than ALDI. Their half gallon of HTST pasteurized organic whole milk costs just $3.03; that saves over $81 annually over Whole Foods which offers organic whole milk at its most expensive. Milk offers both protein and carb sources with its casein/whey content providing protein while its natural sugars offering carbohydrates – Organic Valley offers both gallon and half-gallon ultrapasteurized varieties available as well.