What are the ingredients in Hydrox-Adeno B12 sourced from? Ceylon Keeslar November 26, 2020 17:56 Follow Ingredient Source Hydroxocobalamin and adenosylcobalamin Synthetic Related articles Does Hydroxo-Adeno B12 contain corn, yeast, gluten or grains? Where are the ingredients in Hydrox-Adeno B12 from? Are there any warnings or side effects when using Hydrox-Adeno B12? What are the ingredients in Adeno B12 sourced from? What are the possible interactions or side effects of using Folinic Acid Lozenges? Comments 0 comments Article is closed for comments.