KOOYUAN ke e 'ngoe ea litsebi tsa hexarelin peptide, baetsi le barekisi ba phofo ea sermorelin Chaena. Haeba o tlo reka kapa o reka lihlahisoa tsa boleng bo holimo ka bongata setokong, o amohelehile ho fumana lethathamo la litheko le sampole ea mahala femeng ea rona. Hape, litšebeletso tse khethehileng lia fumaneha.