a. deep immune stimulants b. surface immune stimulants
Aniseed Pimpinella anisum Balsam of Peru Myroxylon pereirae Bearberry Arctostaphylos uva-ursi Caraway Carum carvi Calendula Calendula officinalis Cayenne Capsicum minimum Clove Eugenia caryophyllata Coriander Coriandrum sativum Echinacea Echinacea spp. Elecampane Inula helenium Eucalyptus Eucalyptus spp. Garlic Allium sativum Gentian Gentiana lutea Golden Seal Hydrastis canadensis Juniper Juniperus communis Marjoram Origanum marjorana Myrrh Commiphora mol-mol Olive Olea europaea Osha Ligusticum porterii Peppermint Mentha piperita Rosemary Rosemarinus officinalis Rue Ruta graveolens St. John's Wort Hypericum perforatum Sage Salvia officinalis Southernwood Artemisia abrotanum Thyme Thymus vulgaris Usnea Usnea spp. Wild Indigo Baptisia tinctoria Wormwood Artemisia absinthium Yarrow Achillea millefolium