Black cohosh root powder can be encapsulated, tinctured, or made into tablets.
It was a favorite herbal remedy for Native Americans. It was given the name "bugbane" because the flowers have such a strong odor and have been used to effectively repel insects. 
Cautions:
Not for use in pregnancy except under the supervision of a qualified healthcare practitioner. We recommend that you consult with a qualified healthcare practitioner before using herbal products, particularly if you are pregnant, nursing, or on any medications.