Another key difference between the two forms of vitamin D is their source. “Vitamin D2 is usually produced by plants when ...

When the sun is out, your body can potentially make its own vitamin D, but it still may make sense to continue with ...

Women between ages of 30 and 70 need about 600 international units, and once they're over 70, that number goes up to about ...

Introduction Micronutrients, such as vitamin D, vitamin B12 and folic acid are essential for several important physiological functions (1 – 4). Deficiencies of these vitamins are known to be ...

Medically reviewed by Rochelle Collins, DO When the sun’s ultraviolet (UV) rays connect with your skin, it triggers vitamin D ...

Vitamin C is an immune-boosting superhero. It’s also a nutrient that the body doesn’t make (unlike vitamin D), so you need to get it from your diet or a supplement. Besides bolstering the immune ...