
Oak Bark White oak bark Quercus robur 50ml Spray
Oak bark (Quercus robur), also known as white oak, comes from the bark oak tree White oak bark is recognized as an herbal remedy that is generally safe by the FDA. The German Commission E has approved the use of oak bark for the treatment of diarrhoea, and it has been listed on the US Pharmacopoeia since 1916 for its astringent and antiseptic qualities.