Vitamin D deficiency is common – here’s how it can affect your health

(Natural News) Around 42 percent of Americans are vitamin D deficient, and they don’t even know it. The National Institutes of Health (NIH) recommends that adults get 600 to 800 IU per day, but it is recommended that vegetarians and vegans consume more than the suggested amounts. The recommended amount of vitamin D depends on age and other…  » READ MORE