guarana seed extract 22% caffeine paullinia cupana what is guarana seed extract? กก่ the seed kernel of the guarana, paullinia cupana. guaran extract is an water solution extract of this seed. traditional use of guarana extract? กก่ appetite suppressant กก่ a flavoring in soft drinks กก่ pain relief กก่ smoking cessation กก่ stimulant standardized guarana extract: standardized to 22% caffeine by hplc your early reply will be appreciated and wish you all of the best and regards ! sincerely yours, sales manager ms.mary liu organic herb inc. phone +86 731 4060868 mobile +86 135 0745 8583(24 hours working) fax +86 731 4023669 email: mary@organic-herb.com msn:liulingling20035@hotmail.com website: http://www.organic-herb.com add: no.1038.shanshuirenjia3rd.kaiyuanroad, xinsha, changsha, hunan, china 410100