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Head-to-head evidence comparison — which supplement is right for you?
Fenugreek wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Likely helps
13 of 14 studies with measurable effects showed benefit.
Top outcomes
Verdict
Probably helps
10 of 15 studies with measurable effects showed benefit.
Top outcomes
500-600mg extract (standardized)
With meals
Standardized extract (Testofen, Furosap)
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
4-8 weeks
8-12 weeks
Within days
2-4 weeks
1-2 weeks
Long-term
With excess or kidney issues
Dietary supplements for dysmenorrhoea
The Cochrane database of systematic reviews (2016) · Meta analysis · n=3101
Supplements versus other supplementsThere was no evidence of a difference in effectiveness between ginger and zinc sulphate (MD 0.02 points, 95% CI -0.58 to 0.62; one RCT, 101 women).
The effect of flour-based foods intake in the reduction of cardiometabolic risk: A systematic review
Critical reviews in food science and nutrition (2024) · Systematic review
Chia flour, green banana flour, soy flour, and fenugreek powder showed improvements in blood pressure measurements.
Effect of Fenugreek on Hyperglycemia: A Systematic Review and Meta-Analysis
Medicina (Kaunas, Lithuania) (2023) · Meta analysis · n=894
The mean difference with 95% confidence intervals (CI) was calculated to represent the analysis.
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
Multiple meta-analyses show modest but consistent reductions in fasting blood glucose. Effects appear stronger in diabetic populations. Conservative estimates given heterogeneity in study designs and extract standardization.
AI-estimated from published studies. Interpret as directional guidance.
Fenugreek has a higher evidence score (6/10 vs 8.5/10) and wins in 2 of 3 categories.
For reduce inflammation, Potassium has a higher relevance score (85 vs 70).
No known interactions between Fenugreek and Potassium have been documented in our database. However, always consult a healthcare provider before combining supplements.