As a mixture product, Extrafolate sells for significantly less than Metafolin. (Compare Metafolin Purchase Order, selling for $14,310 per kg [PTX 72] with AHD's Extrafolate Purchase Order, selling for $4,500 per kg [PTX81].)Between 2006 and 2009 Gnosis printed product specification sheets, brochures and other marketing materials that used the chemical descriptions, terms, and formulas attributed t