A composition is provided that includes a biologically active compound bound by a glycoprotein matrix. A method is also provided for the manufacture of a composition of the invention. The glycoprotein matrix can be formed by permitting the growth of glycoprotein producing bacteria in the presence of the active ingredient. The composition of the invention provides a method for increasing the stability and bioactivity of the active ingredient. A method is also provided for administering an active ingredient to a host by utilizing a composition of the invention.