Specification:Gypenosides 80%-98% Detection method: HPLC #GynostemmaPentaphyllum Extract powder 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 powdered 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.