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Since one of the reasons that I follow a vegan diet for is the relatively lower ecological impact that it has on the planet, I was wondering whether there are some studies looking into the ecological impact of producing vegan supplements. Are there any challenges for the vitamin supplementation to scale if a major part of planet's population was to switch to plant-based diet?

For the purpose of this question I am looking mainly at vitamin D3 and B12, produced in a vegan manner.

  • It is conceivable, I would hope likely, that even if producing vegan B12 had a greater ecological impact than animal based B12, it would be greatly outweighed by the many other reductions in ecological impact due to a mass shift to veganism. – badjohn Nov 20 '19 at 14:47
  • @badjohn Yes, I am of a similar belief but wanted to get some insight into whether it is actually a justified one. All in all, I am pretty sure the net sum will be positive but I'd like to know the negatives - eg. large areas of sea/ocean to grow the necessary algae or such. – Alexander Rossa Nov 21 '19 at 9:31
  • I completely agree. I was not suggesting that it is a bad or unnecessary question. Quite the opposite, I had considered a similar question myself after I was diagnosed as having low B12. – badjohn Nov 21 '19 at 9:34
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    This older question is interesting. It does not answer yours directly so it is not a duplicate but it does talk about the production of B12. From that, I doubt that it has a serious ecological impact. vegetarianism.stackexchange.com/questions/89/… – badjohn Nov 21 '19 at 10:07

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