Nature"s Herbs Power-Herbs Willowprin Description: 100 Mg White Willow Extract Per Capsule Standardized For 15% Salicin. The highest quality, most potent and most effective form of white willow bark extract available. Standardized at the highest concentration of naturally-balanced active principles while retaining and enhancing all the whole-plant synergistic benefits. One of the world"s finest and purest plant extracts. Faster-acting and more assimilable than ordinary white willow. Disclaimer These statements have not been evaluated by the FDA. These products are not intended to diagnose, treat, cure, or prevent any disease. • Nature"s Herbs Power-Herbs Willowprin Directions As a dietary supplement, adults take 2-3 capsules every 4 hours as desired up to 18 capsules per day. Supplement Facts Serving Size: 2 Capsules Servings Per Container: 15 Amt Per Serving % Daily Value Certified Potency White Willow Bark Extract 200 mg * White Willow Bark 5:1 Equivalent To 2500 Mg Of White Willow 500 mg White Willow Bark 200 mg *Daily value not established. • Certified Potency White Willow Bark Extract.