Sulforaphane (Broccoli Extract)
A potent antioxidant compound from cruciferous vegetables showing promise for cellular protection and longevity pathways.
Human Trials
15
850 participants
Risk Level
Monthly Cost
Varies by concentration and extraction method
Quick Facts
- Category
- Supplement
- Research Field
- Supplements
- Evidence Grade
- B- – Promising
- Risk Level
- Low
- Monthly Cost
- $25 – $80
- Human Trials
- 15
Typical Dose
30–60 mg/day sulforaphane equivalent
Range
10–100 mg/day
For informational purposes only – not medical advice. See disclaimer
Research Velocity
Mechanism of Action
Sulforaphane activates the Nrf2 pathway, which regulates antioxidant and detoxification genes, providing cellular protection against oxidative stress. It also modulates autophagy, enhances mitochondrial function, and exhibits anti-inflammatory properties through inhibition of NF-κB signaling. Additionally, sulforaphane appears to influence epigenetic mechanisms and may support DNA repair processes.
Overview
Sulforaphane is a naturally occurring compound found in cruciferous vegetables, particularly broccoli sprouts, that has garnered significant attention for its potential health-promoting properties. Research indicates that sulforaphane acts as a potent activator of cellular defense mechanisms, primarily through the Nrf2 pathway, which controls the expression of numerous antioxidant and detoxification enzymes. Studies suggest this compound may support healthy aging by protecting cells from oxidative damage, enhancing mitochondrial function, and promoting cellular cleanup processes.
Human studies on sulforaphane supplementation have shown promising results for various health markers, including improvements in antioxidant status, inflammatory markers, and cardiovascular health parameters. Research indicates that bioavailability can vary significantly depending on the form and preparation method, with standardized extracts typically providing more consistent dosing than whole food sources. While most studies have focused on short-term supplementation periods, the compound appears to be well-tolerated with minimal side effects reported in clinical trials.
The growing body of research on sulforaphane spans multiple areas of health and longevity, with studies investigating its effects on cognitive function, metabolic health, and cellular aging processes. While early results are encouraging, researchers note that longer-term human studies are needed to fully establish optimal dosing protocols and confirm the sustained benefits suggested by shorter-term trials and animal research.
Known Interactions
- May enhance effects of blood thinners due to vitamin K content in some formulations
- Potential interaction with thyroid medications in individuals with existing thyroid conditions
- May affect drug metabolism through cytochrome P450 enzyme modulation
Legal Status by Country
Your country (United States)
Available without prescription in:
Australia, Brazil, Canada, China, Colombia, Germany, India, Israel, Japan, Mexico, Netherlands, Panama, Russia, South Korea, Switzerland, Thailand, Turkey, UAE, United Kingdom, United States
📍 = your selected country · ✈️ = medical tourism destination · Always verify current local regulations before travel.
Key Research
- 2015
Comprehensive review of sulforaphane mechanisms
- 2017
Longevity mechanisms in model organisms
- 2019
Aging-related cellular mechanisms
- 2021Sulforaphane supplementation in healthy adults: a randomized controlled trial
Human bioavailability and safety data
- 2020Broccoli extract and cardiovascular health: a pilot study
Human cardiovascular outcomes
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Last verified: 2026-03-16