Is 310 Biotin Melt Vegan? Anah July 02, 2018 15:45 Updated Follow Yes, our 310 Biotin Melt is Vegan Related articles Do 310 Digestive Enzymes contain any GMO ingredients? Why is there a Prop 65 notice on 310 Nutrition shipments to California? Is 310 Biotin Melt gluten-free? Where do I go to access my new 310 Rewards account? Do 310 Digestive Enzymes contain gluten, dairy, wheat or any other common allergens? Comments 0 comments Please sign in to leave a comment.