This is consuming as a supplement that can help to improve your mood and promote a feeling of well-being. Preparations of black cohosh are made from its roots and rhizomes (underground stems). They are sold as dietary supplements in such forms as powdered whole herb, liquid extracts, and dried extracts in pill form How to consume- 1/4 or 1/2 teaspoon with warm water, Once or twice a day, or as directed by your health practitioner. Net weight - 3.52oz, serving size- 1-2 tsp Black Cohosh Extract Powder originated in china.