Viva! Mini factsheet: Vitamin B12 Quick question why do people talk about B12 injections versus ingestible pills? I wish I injections. I do not have the cash for that little backstory. I've been eating vegan style for 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 Shots For Vegans And Vegetarians: Addressing B12 Deficiency In Plant Based Diets