Vitamin B12 is not made by plants or animals, but by bacteria, meaning animals get it through their gut microbes or diet and store it in their tissues. [1] (https://pmc.ncbi.nlm.nih.gov/articles/PMC5788147/), [2] (https://ods.od.nih.gov/factsheets/VitaminB12-HealthProfessional/), [3] (https://www.vegplate.info/b12.html), [4] (https://pubmed.ncbi.nlm.nih.gov/29216732/)Chikhali Chinchwad
