In some countries, vitamin D is listed in micrograms, and the relationship is as follows: 2.5 mcg (micrograms) = 100 IU. 5 mcg = 200 IU. 10 mcg = 400 IU. 15 mcg = 600 IU. 20 mcg = 800 IU.

You could just be short on sleep, or you could have a vitamin deficiency (or something else entirely!). Vitamin D is talked about a lot because it affects so many parts of the body. “Vitamin D plays a ...

Medically reviewed by Suzanne Fisher, RD Foods with vitamin D include dairy products, fatty fish, eggs, and mushrooms. While ...

These people may find themselves at risk of vitamin D deficiency, including: Children and teenagers: 600 international units (IU) or 15 micrograms (mcg). Adults up to the age of 70 years old ...

When it comes to the complete well-being of the human body, vitamin D plays a crucial role. It keeps the bones healthy and ...

Exposing your face, arms, legs, or back to sunlight for 5–30 minutes twice ... to rely on the sun for vitamin D. 1 cup white mushrooms, exposed to UV light 18.3 mcg (735 IU) 1 cup Portabella ...

Breastfed infants and children with certain medical conditions are also susceptible to vitamin D deficiency. If a healthcare professional has recommended a vitamin D supplement for calcium ...