White oak bark is the bark of the white oak tree, Quercus alba. White oaks are native eastern North America and have been used in traditional Native American herbal medicine for centuries. White oak bark is typically made into a tonic or tea.1
White Oak Bark Health Uses and Health Benefits
White oak bark’s health benefits come from its content of tannins, bitter-tasting plant substances with astringent and expectorant properties. White oak bark can help to heal wounds, ulcers and intestinal irritations, including diarrhea and colitis. As a diuretic and tonic, white oak bark can help to eliminate toxins from the urinary tract to prevent infection. It’s also used to clear colds, flu
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