Sulforaphane
Evidence status
Limited evidence to recommend for any consumer outcome yet.
25 papers · 1 claim · 78 outcomes scored
Outcomes
What sulforaphane actually does, by outcome
Each row is one outcome with effect size, evidence base, the dose that worked in trials, and time to first effect. Magnitude tiers come from native-unit MCID where available, Cohen's d otherwise.
Active compounds survive your gut and reach your bloodstream intact.
| Outcome | Effect | Evidence | Dose | Weeks | Rank |
|---|---|---|---|---|---|
| Increase polyphenol absorption Not enough research | | 1 RCT n=— | 100 g | 0 wk | #1/4 |
Recommended Sulforaphane products
Real products that dose Sulforaphane where the research does, in a clean formulation, from brands we've audited. We only list ones we'd stand behind.
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Double Wood Supplements
Sulforaphane 20 mg
Well dosed 20 mg/day A formulaBrand audit 75/100
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Health Ranger Select
Organic Broccoli Sprout Powder
Well dosed 44,997 mcg/day A formula -
360 Health Solutions
MediCleanse
Well dosed 30 mg/day A formula -
Elevation Health
Ultraplex Mediclear-SGS Chocolate Flavored
Well dosed 30 mg/day A formula
Chosen for adequate Sulforaphane dosing vs. the studied range, a clean formulation (grade A–C), and independent brand-quality audits. Not sponsored.
Risk profile
Adverse events and known drug interactions
Safety events
Sources
- 1. A Randomized Controlled Trial of the Effect of Broccoli Sprouts on Antioxidant Gene Expression and Airway Inflammation in Asthmatics. (2016) ↑
- 2. Modulation of the metabolism of airborne pollutants by glucoraphanin-rich and sulforaphane-rich broccoli sprout beverages in Qidong, China. (2012) ↑
- 3. The effect of sulforaphane on autism spectrum disorder: systematic review and meta-analysis. (2025) ↑
- 4. Sulforaphane improves the bronchoprotective response in asthmatics through Nrf2-mediated gene pathways. (2015) ↑
- 5. Sulforaphane-rich broccoli sprout extract attenuates nasal allergic response to diesel exhaust particles. (2014) ↑
- 6. Effects of sulforaphane intake on processing speed and negative moods in healthy older adults: Evidence from a randomized controlled trial. (2022) ↑
- 7. Effects of sulforaphane on ABC and SRS scales in patients with autism spectrum disorder: a meta-analysis. (2025) ↑
- 8. Investigating the clinical efficacy, safety and molecular mechanism of sulforaphane in autism spectrum disorder: an integrated study combining meta-analysis, network pharmacology, and computational biology. (2025) ↑
- 9. Sulforaphane treatment of autism spectrum disorder (ASD). (2014) ↑
- 10. Randomized controlled trial of sulforaphane and metabolite discovery in children with Autism Spectrum Disorder. (2021) ↑
Generated August 14, 2026
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