We prepare our Rehmannia Extract from the root of Rehmannia glutinosa plants that have been grown harvested and processed according to traditional Chinese methods. To assure optimal quality Rehmannia we directly purchase from China only roots that have been graded 1st Quality. Ingredients: certified organic grain alcohol distilled water and Rehmannia extractives. Suggested Use: Shake Well Before Using. Two or three times per day take 30 to 40 drops in a little water. Caution: Keep Out of the Reach of Children. Size: 1 Oz.