What are the ingredients in Active B12 with L-5-MTHF sourced from? Ceylon Keeslar November 05, 2021 19:55 Updated Follow Ingredient Source Vitamin B12, Folate Synthetic Related articles Does Active B12 with L-5-MTHF contain gluten or grains? What is the purpose of each ingredient in Active B12 with L-5-MTHF? Who is Active B12 with L-5MTHF lozenge intended for? Who is Adrenal Cortex intended for? Does 5-HTP contain gluten or grains? Comments 0 comments Article is closed for comments.