4Life Transfer Factor® RioVida® Tri-Factor® Formula is the only dietary supplement in the world to feature the immune-boosting benefits of 4Life’s patented Tri-Factor® Formula and antioxidant-rich superfruits. Açaí, pomegranate, blueberry, and elderberry blend together to form a delicious defense against naturally occurring free radicals, while 4Life Transfer Factor® helps your immune system better recognize, respond to, and remember potential health threats. #ImmuneSystem #antioxidant #immunesu