ProductsDehydrated mediaB12 Assay Medium B12 Assay Medium SKU: QB-68-0211 Unit: Each Brand: NUTRI-BACT B12 Assay Medium Other products from «Dehydrated media» Tryptophane Broth # QB-44-5204 Lactobacillus Broth Base # QB-39-2287 Dextrose Peptone Agar, modified # QB-1L-1153 Bile salts # QB-1L-0209