Does Hydroxo B12 contain GMO ingredients? Amber Larsen September 27, 2016 21:57 Follow No, test results verify that there are no genetically modified ingredients in this product. Related articles Does Hydroxo B12 contain corn or grain-derived ingredients? Is Hydroxo B12 soy-free? What is Hydroxo B12 derived from? What is the difference between the vitamin B12 forms methylcobalamin, adenosylcobalamin, hydroxocobalamin and cyanocobalamin? Is Hydroxo B12 suitable for vegans and vegetarians? If not, why? Comments 0 comments Article is closed for comments.