Chinese Defense-Shield [Immune] is a convenient 14-day herbal food program containing essential nutrients that must be present for proper immune system function. Simply take one packet in the morning and another in the evening. Each packet contains two capsules of Trigger Immune, two capsules of VS-C and two capsules of Defense Maintenance. Trigger Immune (formerly IMM-C) is a Chinese herbal combination containing 18 herbs, including Siberian ginseng, dong quai and astragalus. VS-C is a Chinese combination with 10 herbs. It is one of the company’s best-selling products. Defense Maintenance contains extra amounts of vitamins A, C and E with minerals selenium and zinc in a base of concentrated cruciferous vegetables and other herbs like parthenium, Siberian ginseng, myrrh gum and pau d’arco. It is NSP’s key product for the immune system. Defense-Shield may be used prior to and immediately following either the Chinese Tiao He Cleanse or the Chinese Para-Cleanse. Take the contents of 1 packet two times daily with a meal and an 8 oz. glass of pure water.