White Willow extract is standardized to 15% salicin. Salicin is a natural compound with some structural similarity to acetylsalicylic acid but with more gentle release in the body. It is extracted from the inner bark of the tree.
Precautions: Not intended for long-term use. This product should not be used for children with a fever. It is not recommended for persons with gastritis or peptic ulcer disease.