French Oak Extract FunctionSupports Energy and Physical Performance French Oak Extract Highlights Potent Source of Unique Oak Wood Polyphenols (Roburins) All Natural, Caffeine-Free Energy Support Clinically Tested and Shown to Boost Athletic Performance What Does French Oak Extract Do? Jarrow Formulas’ French Oak Extract (Robuvit) has been shown to reduce oxidative stress, support liver function, help boost energy, reduce fatigue and improve both physical performance and mood. French Oak trees grow in the Massif region of Central France.
