Comments on: What is the synthetic form of vitamin D3 and how is it made? http://honestfluadvice.com/supplements-and-vitamins/what-is-the-synthetic-form-of-vitamin-d3-and-how-is-it-made/ Honest flu advice. Mon, 26 Apr 2010 10:29:31 +0000 http://wordpress.org/?v=2.9.2 hourly 1 By: Molly Sophia Emily http://honestfluadvice.com/supplements-and-vitamins/what-is-the-synthetic-form-of-vitamin-d3-and-how-is-it-made/comment-page-1/#comment-2398 Molly Sophia Emily Sun, 06 Dec 2009 23:32:04 +0000 http://honestfluadvice.com/supplements-and-vitamins/what-is-the-synthetic-form-of-vitamin-d3-and-how-is-it-made/#comment-2398 Cholecalciferol is a form of Vitamin D, also called vitamin D3. It is structurally similar to steroids such as testosterone, cholesterol, and cortisol (though vitamin D3 itself is a secosteroid). 1g of pure vitamin D3 is 40 000 000 (40x106) IU, or in other words, one IU is 0.025 μg. Cholecalciferol is a form of Vitamin D, also called vitamin D3. It is structurally similar to steroids such as testosterone, cholesterol, and cortisol (though vitamin D3 itself is a secosteroid).

1g of pure vitamin D3 is 40 000 000 (40×106) IU, or in other words, one IU is 0.025 μg.

]]> By: Chuck http://honestfluadvice.com/supplements-and-vitamins/what-is-the-synthetic-form-of-vitamin-d3-and-how-is-it-made/comment-page-1/#comment-2763 Chuck Sun, 25 Oct 2009 22:00:05 +0000 http://honestfluadvice.com/supplements-and-vitamins/what-is-the-synthetic-form-of-vitamin-d3-and-how-is-it-made/#comment-2763 Supplemental vitamin D is available in 2 distinct forms: ergocalciferol (vitamin D2) and cholecalciferol (vitamin D3). Most items available today contain the D2 synthetic version. Recent studies however seem to say that D3 is the preferred version. Ref: http://www.ajcn.org/cgi/content/abstract/84/4/694 Supplemental vitamin D is available in 2 distinct forms: ergocalciferol (vitamin D2) and cholecalciferol (vitamin D3).

Most items available today contain the D2 synthetic version.

Recent studies however seem to say that D3 is the preferred version.

Ref:
http://www.ajcn.org/cgi/content/abstract/84/4/694

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