Vitamin D is made by the body when skin is exposed to sunlight. Vitamin D is used to treat and prevent bone disorders. Having the right amount of vitamin D, calcium, and phosphorus is important for building and keeping strong bones. Vitamin D is a fat-soluble vitamin that helps your body absorb calcium and phosphorus. If you have questions, ask your pharmacist.close popup The photos shown are samples onlyNot all photos of the drug may be displayed. Some formulations of vitamin D2 are prescription only, while all formulations of vitamin D3 are over-the-counter.ĭon’t Miss: Is Vitamin C Good For Bones Cholecalciferol 1250 Mcg Capsule

Both supplements are processed in the body by the liver to 25-hydroxyvitamin D, though vitamin D3 is thought to provide higher levels of 25D. Vitamin D3 is cholecalciferol and comes from animal-based sources. Vitamin D2 is ergocalciferol and comes from plant-based sources. Vitamin D2 and D3 are both widely used vitamin D supplements but are not the same. When we refer to vitamin D, we are talking about Vitamin D2. Many manufacturers have already started following these new requirements, by listing both the IU strength and the metric strength on their labels. to a metric measure, milligrams or micrograms, and also would include the absolute amounts in milligrams or micrograms of vitamins and minerals, in addition to the % DV, on the label.” Federal Register / Vol. “In addition to changing some DVs, the proposed rule would change the units used to declare vitamins A, E, and D from international units, or I.U. Per the Food Labeling: Revision of the Nutrition and Supplement Facts Labels: Among other things, they will require the strength of vitamin A, D and E to be listed as a metric measure. New dietary supplement labeling requirements from the FDA will go into full effect by January 2021. Starting in 2021, the International Unit will no longer be the only strength listed on vitamin D supplements. One dose of vitamin D3 lasts longer but you should take 50,000 IUs of vitamin D no greater than one month apart.

A dose of 50,000 IUs of vitamin D2 should be taken at intervals no greater than three weeks because the blood levels wane. Some online sources that do not require a prescription may supply vitamin D3. Note that the prescription strength of 50,000 IUs is vitamin D2.

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