There are two main forms of vitamin D in the diet: Vitamin D2 (ergocalciferol): found in plant foods like mushrooms Vitamin D3 (cholecalciferol ... 800 International Units (IU), or 10–20 ...

More than 40 percent of the U.S. population is estimated to have a vitamin D deficiency ... “In my cupboard, I have 5,000-unit capsules from Costco,” she said. “I think there are even ...

Getty Images A recent study published by the European Journal of Endocrinology set out to determine whether consistent vitamin D3 supplementation ... giving patients 5,000 international units ...

It revealed that vitamin D supplementation, with a median dose of 3320 International Units (IU) per day, was associated with positive effects on blood pressure, cholesterol, fasting blood glucose ...