Transdermal Vitamin B12 Delivery Patch Near MeVitamin B12 Side EffectsVitamin Transdermal PatchesTransdermal Vitamin B12 Delivery PatchesTransdermal Vitamin B12 PatchesDescriptionThey include: thiamine, or vitamin B-1; riboflavin, or vitamin B-2; niacin, or vitamin B-3; pantothenic acid, or vitamin B-5; P5P or vitamin B-6; methyl folate; biotin; and methylcobalamin or vitamin B-12. If you have a..