Perhaps you've looked into supplementing your own vitamin D needs but were stonewalled by the options; specifically, vitamin D3 vs. vitamin D2. The confusion between the two is very common; let's see if we can clear it up. D2 vs. D3 - Is There a Difference? There are two forms of vitamin D: vitamin D2 and vitamin D3.
Vitamin D is more than just one vitamin. It’s a family of nutrients that shares similarities in chemical structure. In your diet, the most commonly found members are vitamin D2 and D3. While ...
A report published in The American Journal of Nutrition points out the very clear difference between Vitamin D3 and Vitamin D2, the latter, the “form of vitamin D used in major preparations of prescriptions in North America.” 1 Vitamin D2 is in fact not the bioavailable equivalent of D3.
The structural difference between vitamin D2 and vitamin D3 is in their side chains. The side chain of D2 contains a double bond between carbons 22 and 23, and a methyl group on carbon 24. Vitamin D2 (made from ergosterol) is produced by invertebrates , fungus and plants in response to UV irradiation.
What is the difference between vitamin D2 and vitamin D3? At one time these two forms of vitamin D were thought to be equivalent, however, that is not the case! Vitamin D2 or ergocalciferol is actually less potent and has a shorter duration of action than its counterpart Vitamin D3 or cholecalciferol.
Comparing the Nutritional Benefits of Vitamin D2 vs D3; Overall Benefits of Vitamin D; Vitamin D2 vs D3 | Spelling Out Their Differences The Confusing Case of Vitamin D2 vs Vitamin D3. There is much hoopla around vitamin D2 vs D3, and it’s understandable. Vitamin D is notoriously hard to come by through diet, except for a few fortified products.
The two forms of vitamin D, D2 and D3, differ slightly in their structure and in their sources. Vitamin D3 is more effective than vitamin D2 for increasing your blood levels of vitamin D, according to a meta-analysis published in "The American Journal of Clinical Nutrition" in May 2012. You need vitamin D for absorbing calcium, forming strong bones and proper immune function.
Vitamin D3 is produced in the skin with sunlight exposure. Vitamin D2, known as ergocalciferol, is a compound produced by irradiating yeast with ultraviolet light. A substantial body of research documents that vitamin D3 is the preferable form and researchers clearly recommend its use. Vitamin D3 has been found to be at least three times as ...
Vitamin D is frequently added to a number of foods, to make them beneficial. However, if you were looking for vitamin D3 in particular, you would have to go for a pill or a liquid form. It is not very common to find it in cereals or juices. Another important difference is that vitamin D2 has a shorter shelf life compared to vitamin D3.
Whether you take vitamin D2 or vitamin D3, the process will be the same. The only difference is that vitamin D3 tends to bind more effectively than vitamin D2. What this means is that vitamin D3 supplements are more potent and require lower doses to achieve the same health benefits.