Quercus robur

Quercus robur extract or French oak wood extract as a natural supplement that may improve fatigue or endurance in some people. Quercus robur extract is marketed under the brand name Robuvit®.

Costs and availability
Quercus robur extract is available over the counter. It is also marketed under the brand name Robuvit.

Notable studies

 * 2014, Improved management of primary chronic fatigue syndrome with the supplement French oak wood extract
 * 2015, Robuvit® (Quercus robur extract) supplementation in subjects with chronic fatigue syndrome and increased oxidative stress. A pilot registry study
 * 2018, Robuvit®: improvement of fatigue in medical convalescence
 * 2019, Oxidative stress parameters after abdominal hysterectomy and their relationships with quality of recovery