We prepare our Horsetail Extract from fresh (undried) Equisetum spp. plants which are Custom Wildcrafted during the spring in their natural wild habitat. To assure optimal extraction of Horsetails bioactive compounds we hand-harvest only young infertile plants which are then taken directly to our laboratory and promptly extracted while still fresh and succulent. Ingredients: certified organic grain alcohol and Horsetail extractives. Suggested Use: Shake Well Before Using. Two to four times per day take 30 to 40 drops in a little water. Caution: Keep Out of the Reach of Children. Size: 1 Oz.