Nakano Seasoned Rice Vinegar All Natural Mango. The light and tangy taste of Nakano's family of seasoned rice vinegars can add zest and flavor to your favorite meals. And seasoned rice vinegars are fat free. Just twist, tip and splash it on grilled chicken, potato salad, onion rings, and a mix of diced vegetables for a homemade salsa. Nakano® bringing flavor to your life™.