Hawaii Pharm White Oak Liquid Extract, White Oak (Quercus Alba)

What the brand says

Sold as “Hawaii Pharm White Oak Liquid Extract, White Oak (Quercus Alba) Tincture, Herbal Supplement, Made in USA, 2x2 fl.oz”

White oak (Quercus alba) is a large deciduous tree reaching 50-80 ft.in height. Leaves are oblong-oval, 12-20 cm long. They are pink in spring, matures to dark green and turns russet-red in the fall. A feature of this species is its wide crown, the branches of which are widely spread and run parallel to the ground. The bark is light gray.