Gynostemma Leaf Extract. Gynostemma Pentaphyllum is a Quintessential Adaptogenic Herb. The dedicate bright green leaves of the low growing plant are regarded as one of Asia's premier longevity herbs. Currently one of the most popular herbs in all of Asia it is an adaptogen and antioxidant. It supports the healthy activity of the immune system. It is traditionally used to help support and maintain normal healthy respiratory cardiovascular digestive and liver functions. The highly concentrated powered extract is made from the purest highest grade Gynostemma grown near the top of Great Immortal Peak a remote pristine mountain in Southern China without the use of any chemicals. It is grown totally on mountain spring water and natural precipitation. the primary constituents of Gynostemma are known as gypenosides. Dragon Herbs Gynostemma contains over 100 naturally occurring gypenosides. It is one of the great herbs in the world.