Ocanna CBD Gummy The oil is clinically proven and released after deep study. The oil does not contain any chemical fillers, additives, and GMOs. There are manufacturers who add chemical fillers and additives to improve the productivity which ultimately harms you. But the manufacturer of this oil after taking care of your health does not add artificial substances. The oil has followed all guidelines laid by certified labs. Ocanna CBD Gummy Oil is GMP certified product made in the U.S.A.