▁where ▁their ▁conclus ions ▁were ▁rejected . ▁The ▁lack ▁of ▁valid ity ▁of ▁the ▁study ▁was ▁later ▁referred ▁to ▁by ▁the ▁Att orney ▁General ▁in ▁the ▁settlement . ▁Studies ▁on ▁the ▁combination ▁of ▁c aff e ine ▁and ▁green ▁tea ▁anti - ox id ant ▁have ▁given ▁mixed ▁results , ▁and ▁the ▁results ▁are ▁not ▁conclus ive . ▁ ▁The ▁State ▁of ▁Connecticut ▁also ▁investig ated ▁the ▁cal orie - burn ing ▁qual ities ▁of ▁the ▁drink . ▁ ▁The ▁State ▁Att orney ▁General ▁Richard ▁Bl ument hal ▁demanded ▁ ▁all ▁scientific ▁research ▁associated ▁with ▁its ▁cal orie - burn ing ▁qual ities . ▁ ▁In ▁February ▁ 2 0 0 9 ▁the ▁companies ▁made ▁a ▁settlement ▁with ▁Connecticut ▁Att orney ▁General ▁Richard ▁Bl ument hal , ▁affect ing ▁several ▁US ▁states . ▁They ▁agreed ▁to ▁pay ▁$ 6 5 0 , 0 0 0 ▁to ▁the ▁states , ▁remove ▁any ▁claims ▁about ▁weight ▁loss , ▁and ▁add ▁disc laim ers ▁that ▁weight ▁loss ▁can ▁only ▁occur ▁via ▁di et ▁and ▁exercise . ▁According ▁to ▁the ▁US ▁Federal ▁News ▁Service , ▁the ▁settlement ▁requires ▁that ▁" any ▁market ing ▁of ▁En v iga , ▁or ▁a ▁similarly ▁form ulated ▁be verage , ▁that ▁uses ▁the ▁terms ▁' the ▁cal orie ▁burn er ,' ▁' negative ▁cal ories ,' ▁' dr ink ▁negative ,' ▁or ▁makes ▁any ▁claims ▁explicitly ▁or ▁implicitly ▁that ▁consum ers ▁will ▁burn ▁cal ories ▁by ▁drink ing ▁En v iga , ▁there ▁must ▁be ▁a ▁clear ▁and ▁consp ic uous