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A member asked:
What is the difference between vitamin d3 and vitamin d?
12 doctors weighed in across 2 answers
D3 is bioactive form: I think you mean d2 v d3. D2 is ergocalciferol. Cholecalciferol is d3. if your interest is in regards to a supplement, you want to take d3, since it's the biologically active form of d. Follow this link to an explanation from the mayo clinic on the two different types of d available. http://www.mayoclinic.com/health/vitamin-d/ns_patient-vitamind.
Answered 12/19/2019
5.6k views
D or D3: Nothing! The question is how much you need. 1000 units a day should suffice. Not expensive - over the counter.
Answered 11/28/2017
2.7k views
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