Many people believe that vitamin B12 is only found in animal products, but that's a misconception. B12 is actually produced by bacteria in the soil, and animals get their B12 by consuming A 3 oz #serving of cooked #beef provides only 175 #calories but provides: 100% of your daily #vitamin B12, as well as approx 1 2 your daily needs of #Zinc, #Protein and Selenium. #health Sure, meat has B12. But guess where that comes from? Supplements. : r vegan Do Vitamin B12 Shots Need To Be Refrigerated? Invigor Medical