A composition suitable for use in a transdermal delivery patch for administration of a biologically active compound, the composition comprising a phosphate compound of tocopherol and a polymer carrier.本發明係有關於適用於用以投與生物活性化合物之經皮輸送貼劑的組成物,該組成物含一生育酚之磷酸化合物及一聚合物載劑。