Vegetarians and Vegans Do you know your diet may be low in Vitamin B12? Vitamin B12 is usually found in meat, eggs, milk, and cheese. Here's a quick guide: Vegan B12 Supplements What you Need to Know from Dietitians How To Go Vegan Properly. Are B12 Injections The Answer? Vitamin B12 for Vegans: Methylcobalamin vs Cyanocobalamin. 3 Ways Vegans Can Get More B12 In Their Diet Holland & Barrett The B12 Shot: What Every Human Needs to Know About Injectable Vitamin B12