HUMAN NUTRITION

Detailed explanation-1: -Many dairy products, such as milk and yogurt, are fortified with vitamin D as well, as are non-dairy alternatives like soy milk, almond milk, and oat milk. Fortified milk typically has around 3mg (120 IU) of vitamin D, and non-dairy alternatives have between 2.5 and 3.6mg per 1 cup.

Detailed explanation-2: -In the 1930s, the United States began to fortify milk with vitamin D in an effort to eradicate rickets. The disease-caused by vitamin D deficiency that softens and weakens the bones-was rampant at the time among poor children, particularly in northern U.S. cities.