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I semi regularly take vitamins D and B12. I do think they're somewhat necessary in northern latitudes with a very sanitized diet.
My strong preference is to get what I need as naturally as possible, though.
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Do you eat much fermented food?
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I think fermented foods are the only way to get much B12 from diet.
I've read mixed things, though, about how much a healthy gut microbiome can produce.
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