Vitamin D2 is plant-based, while vitamin D3 comes from animal products and sunlight. Depending on your needs, one may be more effective than the other.

Another key difference between the two forms of vitamin D is their source. “Vitamin D2 is usually produced by plants when exposed to sunlight,” Dr. Jiang says. Meanwhile, vitamin D3 is found in animal ...

Vitamin D2 and D3 have similar bioavailability, meaning the proportion of a drug that enters active circulation. However, once the vitamins enter the bloodstream, ...

Regarding the difference between Vitamin D2 and D3, they differ slightly in chemical composition. D2 comes from plant sources, whereas D3 is from animals. When you take either form, ...

3 differences between vitamin D2 vs. D3. Both vitamin D2 and D3 are precursors to the active form of vitamin D in the body. That is to say, they’re both good for you and support healthy levels ...

If you have low vitamin D, the best way to make sure you are getting enough is to take a dietary supplement. Talk to your ...

Unlike Vitamin D3, which comes from animal sources, Vitamin D2 is commonly used in fortified foods and prescription supplements, such as ergocalciferol 50,000 units, to treat vitamin D deficiency ...

As a supplement, vitamin D3 has a higher bioavailability than vitamin D2, meaning it’s more easily absorbed into the gut, says Laura Domrose, a registered dietitian nutritionist at The Ohio ...

Vitamin D2 and D3 are not equal when it comes to raising your vitamin D status. Both are effectively absorbed into the bloodstream. However, the liver metabolizes them differently.