In many pharmacy supplement aisles, vitamin D — the most popular supplement in the U.S. — comes in two varieties, D2 and D3. For decades, most medicals professionals thought that it didn’t matter much ...

Recent immunology research has unveiled the complex relationship between vitamin D and immune system function. This vital nutrient is involved in the development and function of the immune system, ...

In a recent narrative review published in the International Journal of Molecular Sciences, researchers in Japan discussed the combined effects of vitamin D3 and phytochemicals in balancing the immune ...

Winter means less time in the sun, but there are foods that can help you get the vitamin D your body needs to function.

“Vitamin D deficiency continues to be a worldwide health problem. It’s estimated upwards of 60% of the world’s population is ...

There is an undeniable connection between a strong immune system and nutrition. Learn why what you eat matters and other ways to boost your immune system.

Vitamin D is a real powerhouse. New research suggests this vitamin supports healthy aging, along with your immune system and ...

Medically reviewed by Jonathan Purtell, RDN Key Takeaways Vitamin D is involved in many bodily functions and plays a vital role in immune health and maintaining healthy bones and teeth.Vitamin D is ...

It’s that time of the year again — the days are shorter and the temperatures are dropping. Unfortunately, this keeps many of us increasingly indoors and limits our exposure to natural sunlight, which ...