What is Adeno B12 derived from? Emily September 20, 2016 17:01 Follow Adenosylcobalamin is derived via microbial fermentation. Related articles Is Adeno B12 suitable for vegans and vegetarians? If not, why? What is Hydroxo B12 derived from? What is HomocysteX derived from? How can I take a reduced dose, or lower my dose of B-Minus? What is B-Minus derived from? Comments 0 comments Article is closed for comments.