Oak galls, also called oak apples, are a common phenomenon produced by the oak trees’ reaction to wasps that lay their eggs inside of the oak bark. Oak galls are high in tannic acid and have been used traditionally as medicine by many cultures around the world; they are also a source of dye and tanning material.
These are sold for making make oak gall dye and ink. While they are used for primitive medicine, I do not sell them for medicinal purposes, or recommend it. Use at your own risk.
This listing is for approximately 1 ounce of oak galls of varying size.
Need more? Check out the 4 ounce size.