Harker Herbals Adrenal Tonic (formally known as Malcolm Harker 870 Glandnurse) combines specific herbs containing minerals and cleansing, stimulating principles necessary to support the lymphatic system. Adrenal Tonic combines specific herbs containing minerals and cleansing, stimulating principles necessary to support the lymphatic system. This elixir contains 16 herbs and oils, each sympathetic to the endocrine lymphatic system. Adrenal Tonic begins stimulating release of toxins, parasites and other foreign matters from the glands and lymphatic nodules within the first day of treatment.