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

Tiny capsules made from plant protein and filled with vitamin D will soon be added to soft drinks, which were previously hard to fortify with the vitamin.

Medically reviewed by Karina Tolentino, RD Three ounces of wild sockeye salmon has 570 international units (IUs) of vitamin D ...

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

Vitamin D is an important nutrient but one that people tend to lack during the winter months. Vitamin D helps keep bones strong and works to support the body's immune system. The main way people get ...

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

The global market for electrolyte and vitamin waters is increasing, reaching a staggering $7.2 billion in 2021, with some analysts predicting that sales will climb to $11.9 billion by 2027. Whether ...

In the summertime, vitamin D levels might not be much of a concern for many runners, considering the time we spend exercising ...