The role of the gut in Vitamin B12 and Iron deficiency (and what to do about it)
Functional Roles of B‐Vitamins in the Gut and Gut Microbiome - Uebanso - 2020 - Molecular Nutrition & Food Research - Wiley Online Library
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
What is the most abundant vitamin secreted by gut bacteria in small intestines of human beings? - Quora