Is the vitamin D the same in whole and 2 percent milk?

Vitamin D is typically added to both whole and 2 percent milk during the fortification process, so the amount of vitamin D in each type of milk is generally the same, usually around 100 IU per cup. However, the fat content differs, with whole milk containing more fat than 2 percent milk, which can affect the absorption of fat-soluble vitamins like vitamin D. Overall, the vitamin D content itself remains consistent across both types of milk.