Nicky Gonis Holistic Health - The only organisms to produce vitamin B12 are certain bacteria. Bacteria are found on plants that herbivores eat, they are taken into the animals' digestive system, multiply
Vitamin B12 as a Modulator of Gut Microbial Ecology - ScienceDirect
Impact of intestinal parasites on microbiota and cobalamin gene sequences: a pilot study | Parasites & Vectors | Full Text
Tony Breu on Twitter: "3/4 - The Explanation We learned in 1959 that B12 is absorbed in the terminal ileum. The study in tweet 2 shows well that B12 is produced by