Vitamin D is vital to bone health, immune support, and the parathyroid glands. Learn about where it comes from, its side effects, and more.

Vitamin D2 vs. D3. The common types of vitamin D received from your diet are D2 (ergocalciferol) and D3 (cholecalciferol). They play the same role in the body but come from different sources.

Vitamin D is essential, but getting too much, especially from supplements, can have serious side effects. Too much vitamin D can cause dangerously high calcium levels in the blood, which can lead ...

Long-term use of high dose vitamin D supplements may cause adverse side effects, such as dehydration, nausea, vomiting, cardiovascular problems, and confusion. The Office of Dietary Supplements ...

Vitamin D toxicity, also known as hypervitaminosis D, occurs when there are excessive amounts of vitamin D in the body. This usually happens due to over-supplementation rather than diet or sun ...

Vitamin D supplements are widely used for bone health and immunity, but excessive intake can lead to silent side effects. High calcium levels, kidney strain, digestive issues, mood changes, and ...

vitamin d side effects: 5 health complications According to a report by Healthline, In order for vitamin D to reach toxic or dangerous levels in the body, it needs to exceed 100 nanograms (ng) per ...

Vitamin D3 side effects and risks. When taken as directed by a doctor, vitamin D3 is generally safe. However, getting too much vitamin D is not a good thing and can cause more problems, ...

While even a little sun exposure contributes to vitamin D production, experts recommend getting the vitamin primarily through food or supplements to reduce skin cancer risk. If you are concerned about ...

Vitamin D supplementation demonstrated potential benefits for oncology patients, mitigating the side effects of chemotherapy (CT) and radiotherapy (RT) while supporting bone health, according to a ...