Vitamin D has two forms: D2 and D3. Vitamin D2 comes from plant-based sources. Vitamin D3 is found in some fish and produced ...

vitamin D2 and D3 are called out on various labels, too. What exactly is the difference between D, D2, and D3? Are they all forms of the same vitamin, or is each one a completely different nutrient ...

There are two main forms of vitamin D that are important for human health: vitamin D2 (ergocalciferol) and vitamin D3 (cholecalciferol). While both forms serve similar functions in the body ...

There are two types of vitamin D supplements available for over-the-counter purchase (vitamin D2 and vitamin D3). Vitamin D3 is the type that most experts believe should be utilized in clinical ...

The most common vitamin D compounds are vitamin D2 and vitamin D3, which come from different natural sources. Doctors generally prescribe vitamin D2 supplements if you have a vitamin D deficiency ...

Researchers found that taking vitamin D3 or D2 supplements reduced infection risk by 20% to 28% and death risk by 33% and 25%, respectively, according to a November study in Nature’s Scientific ...

Over the past few decades, the "normal" blood level of vitamin D (25-OH vitamin D) was based on the amount needed to keep PTH from becoming abnormally high. Again, PTH at high levels can cause ...