Loading…
We use essential cookies (authentication, your saved goals/stack) by default. With your permission we’ll also enable privacy-respecting analytics (Vercel Web Analytics, anonymous load-time metrics) and error-replay diagnostics (Sentry — DOM snapshots only when an error fires) so we can fix bugs faster. Learn more about cookies
Head-to-head evidence comparison — which supplement is right for you?
Black Cohosh vs Potassium: Potassium has the stronger overall evidence (8.5 vs 5/10); the best pick depends on your goals. Take the 60-second quiz for a pick tailored to your goals.
Potassium wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Likely helps
7 of 10 studies with measurable effects showed benefit.
Top outcomes
Verdict
Probably helps
6 of 9 studies with measurable effects showed benefit.
Top outcomes
20-40mg standardized extract (1mg triterpene glycosides)
Morning and evening, With or without food
Standardized extract (2.5% triterpene glycosides)
99-500mg daily from supplements (food provides more)
With food to reduce GI upset, Spread throughout day, During/after exercise for athletes
Potassium Citrate or Potassium Gluconate
and 10 more not shown
4-8 weeks
4-8 weeks
4-8 weeks
2-4 weeks
1-2 weeks
Long-term
With excess or kidney issues
Black cohosh extracts in women with menopausal symptoms: an updated pairwise meta-analysis
Menopause (New York, N.Y.) (2023) · Meta analysis · n=2310
However, black cohosh did not significantly improve anxiety (Hedges' g = 0.194, 95% CI = -0.296 to 0.684, P = 0.438) or depressive symptoms (Hedges' g = 0.406, 95% CI = -0.121 to 0.932, P = 0.131).
Modulation of the hypothalamic-pituitary-adrenal (HPA) axis by plants and phytonutrients: a systematic review of human trials
Nutritional neuroscience (2022) · Systematic review
For most phytonutrients, the effects of supplementation on HPA-axis activity in humans is unclear.
Review & meta-analysis: isopropanolic black cohosh extract iCR for menopausal symptoms - an update on the evidence
Climacteric : the journal of the International Menopause Society (2021) · Meta analysis · n=43759
Effect sizes were larger when higher dosages of iCR as monotherapy or in combination with St.
Effect of changes in potassium intake on blood pressure: a dose–response meta-analysis of randomized clinical trials (2000–2024)
Clinical Kidney Journal (2025) · Meta analysis · n=2500
Dose-response analysis of RCTs from 2000-2024
Magnesium and Potassium Supplementation for Systolic Blood Pressure Reduction in the General Normotensive Population: A Systematic Review and Subgroup Meta-Analysis for Optimal Dosage and Treatment Length
Nutrients (2024) · Meta analysis
Both supplements demonstrated greater reductions in SBP for the general population at lower dosages and longer treatment durations.
Sex-specific associations between sodium and potassium intake and overall and cause-specific mortality: a large prospective U.S. cohort study, systematic review, and updated meta-analysis of cohort studies
BMC medicine (2024) · Meta analysis · n=237036
Meta-analysis examining Potassium efficacy
Based on multiple meta-analyses showing modest improvement in hot flashes. Isopropanolic extracts (iCR) showed most consistent effects. Effect sizes were larger at higher dosages but evidence shows only moderate benefit overall.
AI-estimated from published studies. Interpret as directional guidance.
Potassium has a higher evidence score (8.5/10 vs 5/10) and wins in 2 of 3 categories.
No known interactions between Black Cohosh and Potassium have been documented in our database. However, always consult a healthcare provider before combining supplements.
Hot flashes, bone, sleep, muscle — the basics that hold up vs the phytoestrogen hype.
The transition years (40s): cycle changes, mood, sleep, brain fog — foundations, vitex, and starting muscle work early.
Who actually needs electrolytes (and who doesn’t), what matters (sodium), and LMNT vs alternatives.
The right pick depends on your goals. Answer a few quick questions for a personalised recommendation — or dig into the full evidence on each.