Nature's Sunshine VS-C® (Viral Immune Formula) is an immune supporting blend that Chinese herbalists describe as a metal-enhancing formula. It helps  create a favorable environment for microbial balance, detoxification and respiratory support. Dandelion root and Purslane tops  has nutritive properties for the liver, kidneys, stomach and blood. Indigo leaves and root were used traditionally to support detoxification processes. Bupleurum root is a Chinese bitter herb that nourishes the liver and promotes perspiration. Typhonium rhizome supports the respiratory system. Scute root has been used to support the gallbladder and spleen. Cinnamon twig benefits the intestinal tract. Licorice root helps nourish the adrenal glands. Ginseng root is a well-known adaptogen, promoted as a general body builder.