As far as nutrients go, vitamin D is one of the most widely useful—but oft-overlooked—things we put in our bodies. For ...

While symptoms of toxicity are unlikely at daily intakes of 10,000 IU or less ... are available in two forms: vitamin D2 ...

Improper use of vitamin D supplements can lead to toxicity, calcium imbalance, and gastrointestinal issues. It is crucial to ...

A 21-year-old man or women exposed to summer UVB light generates 10,000 IU (the equivalent of 250 mcg, 25 multivitamin pills of vitamin D, or 100 glasses of milk) of vitamin D in 15 to 20 minutes.