1. Organic Valley Grassmilk / 2. Maple Hill / 3. Natural By Nature / 4. Byrne Hollow Farm 100% Grassfed Milk from dairy cows has been a part of the human diet for almost 10,000 years. Cow milk provides protein, fat, calcium, and vitamin D. Some medical experts believe that milk should be the main source of many nutrients for the youngest members of our population. But not all milk
