“The diet of the average American is deficient in 7 nutrients. Vegans, on the other hand, have been shown to have higher intakes of 16 out of the 19 nutrients studied, including calcium. So when a meateater asks you “Where do you get your B12?” you can counter with “Where do you get your vitamin C, vitamin E, calcium, fiber, folate, iodine and magnesium? And while you’re at it, you can ask them how they keep their sodium, saturated fat, total fat and cholesterol intake under control.”
(Source: evolvecampaigns.org.uk)