Juniata County Dairy Ambassador Blaine Imes (left) and Juniata County Dairy Maid Caylee Imes. (Juniata County Dairy Promotion)

Whole milk nutritional facts

Since 2012, only 1% and fat free (skim) milk have been offered in school lunches serviced by the National School Lunch Program. These guidelines were set in an effort to reduce the amount of saturated fat consumed by children. However, it may have been a misguided effort. Although the fat content was limited, flavored milks were offered daily. If you have read the nutrition label on flavored vs. unflavored (white) milk, you may have noticed that flavored milks have a much higher sugar content. When the body consumes excess sugar, it gets converted to fat. So, by limiting fat content, but allowing more sugar, the end result may not be that much different.

Milk naturally provides 13 essential nutrients at varying levels. Some of these nutrients, Vitamins A, D, E, and K are fat soluble vitamins. This means that they require dietary fat to be consumed with them to promote their absorption in the small intestine. So drinking milk that has some fat content increases the nutritional benefit because your body can soak up those nutrients to the fullest extent. If you consume those vitamins with no fat, many of them pass right on through.

In general, milk is about 87% water and 13% milk solids. The vitamins and minerals are contained in those solids. Fat, protein, and lactose are also part of the solids. When the fat (and therefore other solids) is removed, vitamins and minerals are also removed. In some instances, the milk you drink then contains less of those nutrients. In other instances, those vitamins and minerals are added back in from other sources. This is dependent upon the company who processes the milk. Whole milk, which is about 3.25% fat, keeps all of its natural vitamins in place. 2% milk has some fat taken out but keeps most of its vitamins. 1% and skim milk lose nearly all vitamins during processing. Fortification adds those vitamins back to levels that match whole milk. But why not skip the extra steps and let the natural nutrients in there with the fat that is needed for the full nutritional benefits?

As a side note, most milk processed in the United States has had Vitamin D added to it since the 1930’s because it is a vitamin that is essential to preventing rickets but is not found naturally in many foods. Vitamin D is also important because it improves the body’s absorption of calcium, therefore it is important for bone health. So, Vitamin D is added to most milk, but at different levels depending on how much has been lost in processing.

Knowing and understanding all of these options can help you make the right decision for the health of your family. In January 2026, the Whole Milk for Healthy Kids Act was passed, which allowed 2% and whole milk to again be offered in school cafeterias. Offering these options is valuable to kids’ (and adults’) health because of the nutritional make-up of milk. Hopefully these options will be coming soon to a school cafeteria near you.