Is 310 Biotin Melt Vegan? Jazz July 02, 2018 15:45 Updated Follow Yes, our 310 Biotin Melt is Vegan Related articles Why is there a Prop 65 notice on 310 Nutrition shipments to California? Is 310 Biotin Melt gluten-free? What is Biotin and how can it help me? Comments 0 comments Please sign in to leave a comment.