Final answer:
Fortified plant sources of vitamin D in the United States include milk, eggs, and orange juice.
Step-by-step explanation:
Fortified plant sources of vitamin D available in the United States include:
- Milk
- Eggs
- Orange juice
- All of the above
In the United States, vitamin D is added to various foods, including milk, soy milk, and breakfast cereals. Milk is fortified with about 100 IU of vitamin D per 8-ounce glass.
Therefore, the correct answer is All of the above.