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Head-to-head evidence comparison — which supplement is right for you?
CoQ10 vs Fenugreek: CoQ10 has the stronger overall evidence (8 vs 6/10); they're alternatives for inflammation-related symptoms — the best pick depends on your goals. Take the 60-second quiz for a pick tailored to your goals.
CoQ10 wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Likely helps
9 of 10 studies with measurable effects showed benefit.
Top outcomes
Verdict
Likely helps
7 of 8 studies with measurable effects showed benefit.
Top outcomes
100-300mg daily
With fatty meal
Ubiquinol (reduced form)
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)
4-12 weeks
8-12 weeks
4-8 weeks
2-8 weeks
4-8 weeks
8-12 weeks
Within days
Efficacy and Safety of Coenzyme Q10 Supplementation in the Treatment of Polycystic Ovary Syndrome: a Systematic Review and Meta-analysis
Reproductive sciences (Thousand Oaks, Calif.) (2023) · Meta analysis · n=1021
Meta-analysis of 9 randomised trials with 1,021 women with polycystic ovary syndrome.
Coenzyme Q10 for heart failure
The Cochrane database of systematic reviews (2021) · Meta analysis · n=1573
Coenzyme Q10 probably reduces the risk of all-cause mortality more than control (RR 0.58, 95% CI 0.35 to 0.95; 1 study, 420 participants; number needed to treat for an additional beneficial outcome (NNTB) 13.3; moderate-quality evidence).
Antioxidants for female subfertility
The Cochrane database of systematic reviews (2017) · Meta analysis · n=6510
This suggests that among subfertile women with an expected clinical pregnancy rate of 22%, the rate among women using antioxidants would be between 27% and 33%.
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.
CoQ10 has a higher evidence score (8/10 vs 6/10) and wins in 2 of 3 categories.
For inflammation-related symptoms, CoQ10 has a higher relevance score (75 vs 15).
No documented interaction was found in the data searched. This does not establish that this exact combination is safe.
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Magnesium, riboflavin, CoQ10 — the supplements with real migraine-prevention evidence (and doses).
CoQ10, zinc, selenium, carnitine modestly help sperm parameters — but live-birth evidence is weak.
The right pick depends on your goals. Answer a few quick questions for a personalised recommendation — or dig into the full evidence on each.