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Vitamin D in the study you provide, D2 & D3 in the OP link. Chemistry and source matters. D is synthetic, D2 is plant derived, D3 animal derived.
by CodeWriter23 7y ago
Vitamin D in the study you provide, D2 & D3 in the OP link. Chemistry and source matters. D is synthetic, D2 is plant derived, D3 animal derived.
- aldoushuxley001 7y agoD3 mostly comes from fungi as far as commercial sources for supplements are concerned, I'm pretty sure.
- posix_me_less 7y agoD3 is made by irradiating lanolin (from sheep wool) with UV light [1]. Natural source of D3 is oily fish, beef liver. It's the Vitamin D2 that is made from fungi - UV light helps to create it in mushrooms [2]. [1] https://www.quora.com/What-is-the-industrial-process-involved-in-making-Vitamin-D3?share=1 https://www.quora.com/What-is-the-industrial-process-involve... [2] https://ods.od.nih.gov/factsheets/VitaminD-HealthProfessional/#h3 https://ods.od.nih.gov/factsheets/VitaminD-HealthProfessiona...