Who has Vitamin D deficiency?
It is common in children, teens, adults working indoors and seniors. The U.S. government mandated in the 1940’s that vitamin D be added to homogenized milk and to cheese. Milk is a poor source of Vitamin D and may have other negative effects such as increased mucous production and allergies. At the turn of the 20th century in the United States and in developing countries worldwide, a condition from vitamin D deficiency called rickets was prevalent. This is rather uncommon now but other problems associated with vitamin D deficiency persist. Breast-fed and infant children, Asian children and most African-Americans are vitamin D deficient. Whether being on limited diets or having darker skin that prevents adequate UV light penetration, these individuals will likely suffer the problems of vitamin D deficiency in later years. Although the FDA recommended dietary allowances (RDA) for Vitamin D3 is 400 IU, recent research lists 1000IU to 4000IU per day may be necessary to raise the 25OH Vitam
