The present invention is directed to compositions for enhancing immune function that include ingredients from natural sources. It is further directed to methods of administering the compositions and kits containing the compositions. In a composition aspect, the composition is for regulating immune function. It consists essentially of: 2 weight percent to 95 weight percent Eleuthero; 2 weight percent to 95 weight percent Stephania; and, 2 weight percent to 95 weight percent Epimedium.