Super Supau is a Taiwanese sports drink, manufactured by Vitalon Foods company. The company is based in the Gong Ye district of Taichung. The drink competes against Pocari Sweat and Aquarius, two brands introduced from Japan, as well as Heysong's Fin.
Pocari Sweat and Aquarius are sold in Taiwan, but they are not native to Taiwan. 
The context states that Pocari Sweat and Aquarius were introduced to the Taiwanese market from Japan, so they are not native. The system may not have understood what is meant by "native to". 