Hey! Thanks for your comment.

While I am familiar with the way B12 is created bacterially in the digestive systems of animals, even assuming that soil isn't cobalt-depleted, most animals raised for food are not able to graze naturally or even come into direct contact with any nutrient-dense soil as they should in order to naturally produce the vitamin.

In addition, 75% of the antibiotics globally produced are given to animals as a precaution against disease and thus a vast majority of the B12 producing bacteria is rendered useless.

Lastly - and perhaps it is just an American thing (wouldn't surprise me) - however the USDA details that swine and poultry are most certainly given B12 supplements. I believe around 90% of what is globally produced is bought and presumably used by the animal agriculture system.

My point in detailing this was only to suggest that taking supplements oneself is really no different than taking supplements via the animal products one eats. I could recommend offal and red meat, although I don't actually believe that these are foods you should be consuming every day, so that wouldn't make much sense.

https://www.farmhealthonline.com/disease-management/cattle-diseases/cobalt-deficiency/

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