Do you follow a vegan diet? Did you know that vitamin b12 is mainly present in animal based products so those following a strict plant based are more likely to be deficient in vitamin Vitamin B12 Vegan Health How much B12 should a Vegan Take? by Plant Kitchen Co. Medium Vegetarian Sources of B12: Foods, Deficiency Signs & UK Guidance Bolt Pharmacy Hi all. Read a comment on this page saying B12 Injections aren't vegan. Is this true? I've had quite a few done in the past and prefer getting injections because I forget