How to get B12 as a vegan 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 Doctors warn vegans to take risks of vitamin B12 deficiency seriously Veganism The Guardian Vitamin B12 Vegan Health Vitamin B12 and Veganism Sources & Dosage Viva! 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