Product Information from Herb Pharm Liquid Herbal Extract Viburnum opulus Spring-Harvested Bark Herbal Dietary Supplement We prepare our Cramp Bark Extract from the bark of Viburnum opulus trees which is Custom Wildcrafted in its natural wild habitat. To assure optimal extraction of Cramp Bark's bioactive compounds, the bark is hand-harvested only in the early spring, is carefully shade-dried and is then thoroughly extracted. Our Cramp Bark is never fumigated or irradiated. Directions: Shake well before using Two to five times per day take 30 to 40 drops in a little water Ingredients: Dry herb / menstruum ratio: 1: 5 Contains certified organic grain alcohol (48-58%), distilled water, vegetable glycerine & Cramp Bark extractives. Warnings Keep out of the reach of children.