“The association between vitamin D deficiency and depressive disorders is well established based on the existing research,” says Dr. Angelos Halaris, professor of psychiatry at Loyola University ...

Vitamin D toxicity can happen if you take too many vitamin D supplements. Even high levels that do not cause toxicity can be harmful. Share on Pinterest Sophia Hsin/Stocksy United Vitamin D toxicity ...

The connection, if any, between vitamin D and cholesterol is unclear. Some research suggests that vitamin D supplements may improve cholesterol levels. However, others indicate that vitamin D has no ...

This high-potency supplement contains 125 mcg, or 5,000 IU of vitamin D3 in each serving. As a bonus, this product has been third-party tested for potency and purity. This article looks at how much ...

Vitamin D, a nutrient that's vital to bone health, has been called the "sunshine vitamin" because it's created when our bodies are exposed to sunlight. We can also incorporate this vitamin into our ...

June 24, 2026 A study of nearly 300 people across northern Britain found that vitamin D levels often stay low all year in groups most at risk. Surprisingly, summer sunshine did not significantly boost ...

A 2017 study showed an increase in vitamin D deficiency diagnoses — which researchers linked to an uptick in vitamin D test requests, indicating a rising interest in the nutrient. As more and more ...

For a while vitamin D was looking like a bona fide health elixir. It was recognized a century ago as the cure for rickets, a childhood disease that causes weak and deformed bones. Then, in the early ...

Planning to eat right for healthier bones? Calcium is probably the nutrient you think of first. But vitamin D is just as important for keeping bones strong and preventing osteoporosis, a disease that ...

Research suggests a link between low vitamin D levels and depression, potentially due to vitamin D’s role in brain function, serotonin production, and inflammation regulation. But more research is ...