Medically reviewed by Daniel More, MDHerbs that support the immune system include echinacea, ginger, and turmeric.Credit: JPC-PROD / Getty ImagesHerbs are aromatic plants used for cooking or medicinal purposes, including improved immunity. Herbs that boost your immune system include echinacea, elderberry, ginger, turmeric, garlic, and more.1. EchinaceaEchinacea tea does not increase blood sugar.Credit: Photo Creative / Getty ImagesEchinacea, als…