Okinawa Flat Belly Tonic is based on a formula inspired by the ancient Okinawa region of Japan. It is a known fact that the Okinawa region did not have a single obese person in the entire place. His fit body and robust immune system resulted in the longest life expectancy in the region. Over the years, it was observed that the ingredients they used in their daily meals were passed down to them from their ancestors and were the reason behind their slim and fit body.