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Head-to-head evidence comparison — which supplement is right for you?
CoQ10 wins 1 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Likely helps
17 of 21 studies with measurable effects showed benefit.
Top outcomes
Verdict
Likely helps
6 of 7 studies with measurable effects showed benefit.
Top outcomes
Shared outcomes (1)
Outcomes where both CoQ10 and Sulforaphane have evidence — compare verdict strength side-by-side.
100-300mg daily
With fatty meal
Ubiquinol (reduced form)
10-50mg sulforaphane (or equivalent from broccoli sprout extract)
With meals, Morning preferred
Stabilized sulforaphane (Prostaphane, Avmacol) or broccoli sprout extract with myrosinase
4-12 weeks
8-12 weeks
4-8 weeks
2-8 weeks
2-4 weeks
2-4 weeks
1-2 weeks
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
Only one RCT reported adverse events, and they found that patients had no adverse effects or symptoms following supplementation.
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%.
Broccoli Consumption and Risk of Cancer: An Updated Systematic Review and Meta-Analysis of Observational Studies
Nutrients (2024) · Meta analysis · n=31292
In summary, the findings indicate that individuals suffering from some type of cancer consumed less broccoli, suggesting a protective biological effect of broccoli on cancer.
Do Brassica Vegetables Affect Thyroid Function?-A Comprehensive Systematic Review
International journal of molecular sciences (2024) · Systematic review
We analyzed the results of 123 articles of in vitro, animal, and human studies, describing the impact of brassica plants and extracts on thyroid mass and histology, blood levels of TSH, T3, T4, iodine uptake, and the effect on thyroid cancer cells.
Potential Effects of Bioactive Compounds of Plant-Based Foods and Medicinal Plants in Chronic Kidney Disease and Dialysis: A Systematic Review
Nutrients (2024) · Systematic review
Systematic review examining Sulforaphane efficacy
Based on heart failure meta-analysis (n=1573) showing mortality reduction. Effectiveness conservative due to single primary study (n=420). Take with food to reduce GI upset. Ubiquinol forms may have better absorption.
Based on meta-analyses showing significant improvements in Social Responsiveness Scale and irritability/hyperactivity scores. Effects were modest and required 4-10 weeks of supplementation. Limited to autism populations only.
AI-estimated from published studies. Interpret as directional guidance.
CoQ10 has a higher evidence score (8/10 vs 5.5/10) and wins in 1 of 3 categories.
For healthy aging, Sulforaphane has a higher relevance score (85 vs 70).
No known interactions between CoQ10 and Sulforaphane have been documented in our database. However, always consult a healthcare provider before combining supplements.