Australian native fruit Quandong is an antioxidant powerhouse. It has the highest oxygen radical scavenging capacity (ORAC assay) among eight commercially grown native Australian fruits that include Kakadu plum, lemon aspen, Australian desert lime, Davidson’s plum, Finger lime (green and pink), Riberry, and blueberry. Vet Merliza explains why we use it in our Senior health chews.