Vitamin D is a vital nutrient essential for the proper functioning of muscles, the heart, lungs, and brain. It aids the body ...

Excessive supplementation of Vitamin D can lead to toxicity (hypervitaminosis D), as it is fat-soluble and stored in the body ...

Supplementing with vitamin D can lead to side effects. It can also lead to longer-term but rare problems. Such rare effects include: If you take high doses of vitamin D and experience symptoms of ...

Humans were basically built to produce and carry higher levels of vitamin D when exposed to the sun. Previous research suggests that the first sign of real side effects or toxicity of vitamin D ...