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Head-to-head evidence comparison — which supplement is right for you?
Fenugreek vs PEA: they're closely matched on evidence (6 vs 7.5/10); they're alternatives for pms relief — the best pick depends on your goals. Take the 60-second quiz for a pick tailored to your goals.
Fenugreek and PEA are closely matched across evidence, studies, and safety.
Verdict
Likely helps
7 of 8 studies with measurable effects showed benefit.
Top outcomes
Verdict
Too few graded studies
1 of 1 studies with measurable effects showed benefit.
Top outcomes
500-600mg extract (standardized) (a typical label dose, not the dose used in the cited trial, which gave about 500 mg three times a day to breastfeeding mothers of preterm infants)
With meals
Standardized extract (Testofen, Furosap)
600-1200mg
Two divided doses a day, as in the knee osteoarthritis and burning mouth trials, Or 400 mg three times a day (1,200 mg a day)
Micronised or ultramicronised PEA
4-8 weeks
8-12 weeks
Within days
2-8 weeks
4-8 weeks
Ongoing
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.
Extended Treatment with Micron-Size Oral Palmitoylethanolamide (PEA) in Chronic Pain: A Systematic Review and Meta-Analysis
Nutrients (2024) · Meta analysis · n=742
These two obtained scores corresponded to a 35.1% pain intensity reduction within the first month, followed by a further 35.4% during the second month.
Palmitoylethanolamide in the Treatment of Chronic Pain: A Systematic Review and Meta-Analysis of Double-Blind Randomized Controlled Trials
Nutrients (2023) · Meta analysis · n=774
PEA was found to reduce pain scores relative to comparators in a pooled estimate, with a standard mean difference of 1.68 (95% CI 1.05 to 2.31, p = 0.00001).
Navigating agitation in neurodevelopmental disorders: A comparative study of pharmacotherapies via network meta-analysis in children and adults with autism spectrum disorder or intellectual disabilities
Journal of psychopharmacology (Oxford, England) (2025) · Meta analysis · n=2503
Importantly, these treatments were generally well-tolerated, with no significant increase in all-cause dropouts compared to placebo, highlighting their suitability for clinical use in managing agitation in individuals with ASD or ID.
Both Fenugreek and PEA are closely matched — the best choice depends on your specific health goals.
For pms relief, Fenugreek has a higher relevance score (80 vs 65).
No documented interaction was found in the data searched. This does not establish that this exact combination is safe.
What’s safe while nursing, the truth about milk-supply herbs, and what to avoid (it passes into milk).
Mostly hype unless you’re deficient — what has modest evidence vs what doesn’t, and when to see a doctor.
The right pick depends on your goals. Answer a few quick questions for a personalised recommendation — or dig into the full evidence on each.