![]() It’s well-documented that Vitamin D is essential for the proper synthesis of calcium, and it’s been shown to greatly reduce fracture risk in two ways. Why risk poisoning when there is a completely safe way to get all the Vitamin D3 (not D2) you need? We’re going to discuss that in a moment, but first I would like to briefly review… Why Vitamin D Matters For Your Bones IN VITAMIN D RESISTANT RICKETS THE RANGE BETWEEN THERAPEUTIC AND TOXIC DOSES IS NARROW.” 2 “Dosage levels must be individualized and great care exercised to prevent serious toxic effects. The popular prescription Vitamin D2, Drisdol, carries the following warning (among others): In fact, prescription Vitamin D2 carries a warning that the dosage should be adjusted as soon as there is notable improvement in D levels. One of the primary dangers of Vitamin D2 is that there is a fine line between an effective therapeutic dose and toxicity. But recent research clearly shows that they could not be more wrong! The Dangers Of Vitamin D Toxicity Subsequent studies showed mixed results, and not surprisingly, in 1949 the World Health Organization declared that differences between the two forms are “minimal”. ![]() Less than 10 years later, in the 1930s, scientists noticed that Vitamin D2 did not seem as effective in the treatment of rickets in children (the primary use of the vitamin in those days) as the Vitamin D3 in cod liver oil. Drug companies then produced and sold this medicinal form of Vitamin D2 to the public and to doctors. Thus the manufacturing of this vitamin was born, and the process was sold to what would become Big Pharma. We need to go back almost 100 years to find the answer.īack in the early 1920s, scientists discovered that exposing foods to ultraviolet light produced Vitamin D2. You may be wondering how Vitamin D2 supplements came to be the mainstream protocol in the first place. So Why Are Most Prescription Supplements Vitamin D2? Hence the study’s conclusion that ergocalciferol should not be used as a supplement. In fact, D2 and D3 are metabolized so differently that they result in “the production of unique biologically active metabolites.” 1Ĭlearly, these forms of Vitamin D are simply not the same. ![]() It takes much longer to make this hepatic conversion with Vitamin D2. In the liver, thanks to a particular hepatic enzyme, Vitamin D3 is more readily metabolized into a bioactive form of D that is easily converted to its hormone form in the kidneys. There are several biological mechanisms that contribute to the superior absorbability and efficacy of Vitamin D3. “… ergocalciferol should not be regarded as a nutrient suitable for supplementation or fortification.” 1 However, the inefficiency of vitamin D2 compared with vitamin D3, on a per mole basis, at increasing 25(OH)D is now well documented, and no successful clinical trials to date have shown that vitamin D2 prevents fractures.” 1 (emphasis added) “Vitamin D2, if given in high enough doses, prevents infantile rickets and is capable of healing adult osteomalacia. Study Proves The Inadequacy Of Vitamin D2 (And The Superiority Of D3)Ī 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. Today, you’ll learn the difference between these two forms of Vitamin D and why you should take D3 and never D2. You see, if your blood test results have shown that you are Vitamin D deficient, chances are your doctor prescribed Vitamin D2 (ergocalciferol) supplements instead of D3 (cholecalciferol). Today I am going to share with you some crucial but little-known information about Vitamin D that your doctor simply won’t tell you.
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