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www.drugs.com/mtm/vitamin-d2.html

Vitamin D2 is used to treat hypoparathyroidism (decreased functioning of the parathyroid glands). Vitamin D2 is also used to treat rickets (softening of the bones caused by vitamin D deficiency) or low levels of phosphate in the blood (hypophosphatemia). Vitamin D2 may also be used for purposes not listed in this medication guide.

www.vitamindcouncil.org/prescription-vitamin-d2-why-not

Doctors in the USA often prescribe Drisdol (vitamin D2) for vitamin D deficiency, giving 50,000 IU every week or two for 8-12 weeks. Then, a few give it every month. Too many forget about their patient’s vitamin D deficiency, thinking the Drisdol has cured it forever. There are two problems with ...

www.webmd.com/drugs/2/drug-8604/ergocalciferol-vitamin-d2-oral/details

Find patient medical information for Ergocalciferol (Vitamin D2) Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings.

www.4bonehealth.org/education/doctor-prescribed-50000-ius-vitamin-d-isnt-much

Some online sources that do not require a prescription may supply vitamin D3. A dose of 50,000 IUs of vitamin D2 should be taken at intervals no greater than three weeks because the blood levels wane. One dose of vitamin D3 lasts longer but you should take 50,000 IUs of vitamin D no greater than one month apart.

www.globalhealingcenter.com/natural-health/vitamin-d3-vs-vitamin-d2

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.

www.healthline.com/nutrition/vitamin-d2-vs-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 ...

saveourbones.com/the-huge-difference-between-vitamins-d3-and-d2-and-why-you...

One of the primary dangers of Vitamin D2 is that there is a fine line between an effective therapeutic dose and toxicity. In fact, prescription Vitamin D2 carries a warning that the dosage should be adjusted as soon as there is notable improvement in D levels. The popular prescription Vitamin D2, Drisdol, carries the following warning (among ...

www.easy-immune-health.com/why-is-vitamin-d2-all-that-the-doctors-prescribe.html

Yes, Vitamin D2 is all that doctors prescribe because prescription medications must be patented and drug companies cannot patent natural substances. D2 can be made synthetically, and hence can be patented into a drug. Vitamin D3 is a natural substance and cannot be patented, but it is the one that you want to use.

www.goodrx.com/blog/vitamin-d2-vs-vitamin-d3-whats-the-difference

Vitamin D2 or ergocalciferol is actually less potent and has a shorter duration of action than its counterpart Vitamin D3 or cholecalciferol. Is a prescription actually required to purchase vitamin D? Vitamin D2 50,000 units requires a prescription, however, Vitamin D3 50,000 units does NOT require one.

blog.easy-immune-health.com/prescription-drugs/prescription-vitamin-d-not...

And while awareness of vitamin D is GREATl, it will also bring more prescription vitamin D supplements- which may NOT be so great. The most common form of prescription vitamin D is in the form of Vitamin D2, also called Ergocalciferol. This is also the same type of vitamin D that is used for the ‘fortification’ of most milk and cereal products.