Three ounces of wild sockeye salmon has 570 international units (IUs) of vitamin D—or about 70% of the recommended daily intake. While salmon is a great source of vitamin D, there are a few other ...

Vitamin D is an essential nutrient for your immune system, heart health, and more—but most Americans don't get enough of it.

Vitamin D appears to influence our immune health, too. Studies have found a link between low vitamin D levels and incidence ...

Medically reviewed by Erika Prouty, PharmD If you take vitamin D supplements to treat any deficiencies, it's essential to ...

As resident nutrition and supplement expert at Which?, I've got the inside track on the vitamin D tips you need – and the ...

Beyond the skeletal system, vitamin D plays a role in regulating immunity, reducing inflammation, supporting nerve and muscle ...

One study found that vitamin D may have anticancer effects, which could help reduce colorectal cancer risk. Another piece of ...

A growing body of research suggests that vitamin D may play a subtler role in mood than previously assumed, becoming most ...

Learn about the benefits of taking vitamin D and vitamin K2 together. Discover how they benefit bone and heart health.

Sunlight is crucial for vitamin D production, with late morning to early afternoon (10 am-3 pm) being the most effective time. Short, sensible midday ...

Excessive vitamin D intake may trigger hypercalcemia, stressing your kidneys. Know the warning signs, from thirst to nausea, to prevent serious kidney damage.

New research highlights a significant link between low vitamin D levels and more aggressive prostate cancer. Studies indicate ...