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Your Environment. Your Health.

Black Cohosh Study

Study Background

This study is no longer accepting participants.

To find studies that are currently recruiting, please visit the Join an NIEHS Study website

For More Information

Additional Information

Postdoc running gel

Study Flyer (878KB)

Black Cohosh is an herbal supplement taken by some women to treat hot flashes, cramps, or other symptoms.

Researchers are studying the health effects of black cohosh in women who have been taking the supplement for at least 3 months.

Researchers are investigating how black cohosh affects folate and B12 levels, anemia, chromosomal damage in red blood cells, and metabolomics profiles.

Eligibility Criteria

  • Ages Eligible for Study: 18 years and older
  • Genders Eligible for Study: All
  • Accepts Healthy Volunteers: Yes
  • All participants must be non-pregnant. No children, cognitively impaired persons, or prisoners will be enrolled.

Principal Investigator

Kristine Witt, M.S.
Kristine L. Witt, M.S.
Special Volunteer
Tel 984-287-3208
witt@niehs.nih.gov
530 Davis Dr
530 Davis Drive (Keystone Bldg)
Durham, NC 27713
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