Researchers from the University of Surrey in the UK found that taking vitamin D2 can cause reduced levels of vitamin D3 in ...

Vitamin D2 supplements may negatively impact circulating levels of vitamin D3 and negate the latter's potential benefits, ...

“However, we discovered that vitamin D2 supplements can actually decrease levels of vitamin D3 in the body, which is a previously unknown effect of taking these supplements. This study suggests that ...

Some mushrooms can be a good source of vitamin D when grown in sunlight or under UV bulbs, but other foods also provide plenty of vitamin D for strong bones and immune system support.

Milk is another drink that is often fortified with vitamin D to help us get this valuable nutrient. Like orange juice, milk is not a natural source of vitamin D, but the FDA allows manufacturers to ...

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 ...

Supplements containing as much as 12.5 times the recommended daily dose of vitamins are being sold on online marketplaces, according to research by Which?.

Have you ever noticed that every vitamin seems to have more than one name and almost every mineral comes in many different forms? It can make things confusing when you're trying to maintain a healthy ...

Oral vitamin D supplementation nearly halved the rates of suicide and intentional self-harm in a study of US veterans, with an even stronger effect among Black veterans. The retrospective cohort study ...