What makes acai better Athletic Greens than the Goji berry in a Oxygen radical absorbance capacity (ORAC) face off? Antioxidant levels in both are very high. However, in the acai berry, they are slightly higher. In the same respect, the acai berry has been more thoroughly researched and examined than the Goji berry has. They ve both been proven to increase energy and stamina and with high levels of minerals and nutrients, are exceptional in maintaining major organs and systems of the body.