Overview
Safety in plain terms
Hepatotoxicity case reports triggered regulatory attention historically.
Tolerability
Commonly reported effects
- Rash
- GI upset
- Liver injury (rare)
Higher-risk contexts
Who should pause or get medical guidance first
- Liver disease
- Pregnancy
- History of hepatitis after prior herb
Polypharmacy
Interactions & cautions
- CYP substrates
- Tamoxifen theoretical interactions - disclose
Practical
Dose context (not a prescription)
Stop and seek care for jaundice or severe fatigue after starting.
Our editorial safety score is 62/100 - methodology and limitations are on the full hub page.
Verdict context
Studies conflict or are small; some plausible benefits, but the signal is too noisy for strong claims.
Same ingredient, other questions
Focused pages for common searches about Black cohosh. Each uses the same underlying evidence file with a different lens.
Explore further
A few hand-picked entry points around Black cohosh: categories, answers to narrow questions, and comparisons.
Focused questions
Related ingredients
Ingredients we group near Black cohosh in our model - not interchangeable, but often read together.
- Magnesium78/100Promising
A common shortfall nutrient with roles in muscle and nerve function; certain forms help constipation; sleep claims are softer.
- Psyllium husk78/100Strong support
Soluble fiber with strong evidence for constipation and as a lipid adjunct in some guideline discussions when taken with water.
- Omega-3 fatty acids77/100Promising
EPA/DHA support cardiovascular risk reduction contexts in some guidelines; supplements vary widely in quality and dose.
Alternatives
Swaps people discuss alongside Black cohosh - still judge each ingredient on its own evidence.