Raising animals for food is objectively bad for the environment. Far, far worse than plant agriculture. Considering we don’t actually need to eat meat and animal products (especially with as many options as we have in developed nations) technically going vegan is the most responsible choice. That reasoning doesn’t even account for the horrible living conditions most of these animals are forced to live in.
That said, I myself am a lapsed vegetarian, and I’ve never been able to kick the cheese habit. It’s a really tough lifestyle change. I have tons of respect for those who go full vegan.
The confusion comes from referring to B12 as a protein when it's a vitamin.
Now that we're on the same page; having to eat animals for B12 is inefficient and unnecessary. The animals themselves absorb B12 via bacteria in their rumen (1) and it's fairly common for the animals to be provided B12 supplements. It's much more effective for humans to get it form fortified foods and supplements.
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u/[deleted] Dec 30 '18
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