Antioxidant
Sulforaphane
Also known as: Broccoli extract, Broccoli sprout extract, Glucoraphanin, Glucoraphanin (precursor)
Potent Nrf2 activator from broccoli sprouts. Induces phase II detoxification and has anticancer properties.
Last reviewed June 2026 · Evidence graded from peer-reviewed research, not editorial opinion. Educational only — not medical advice.
Every Sulforaphane product we have scored
| # | Product | Score | Per serving |
|---|---|---|---|
| 1 | Jarrow Formulas BroccoMax | 95 A | $0.87 |
| 2 | Thorne Hormone Advantage | 90 A | $0.85 |
| 3 | Thorne Broccoli Seed Extract | 89 A | $1.12 |
| 4 | Pure Encapsulations NR Longevity | 87 A | $2.17 |
| 5 | Thorne MediClear-SGS™ - Vanilla | 86 A- | $2.10 |
| 6 | Pure Encapsulations Th1 Support | 83 A- | $1.02 |
| 7 | Pure Encapsulations UltraDetox 10-Day Pure Pack | 83 A- | $7.55 |
| 8 | Complement Sulfora | 81 A- | $2.13 |
| 9 | Complement Daily Greens by Complement | 80 A- | $1.63 |
| 10 | Pure Encapsulations Balanced Immune | 80 A- | $1.13 |
| 11 | Pure Encapsulations DIM Detox | 80 A- | $1.93 |
| 12 | Pure Encapsulations Nrf2 Detox | 80 A- | $1.14 |
Scored on dose accuracy, form, label transparency and third-party testing. Per-serving cost is list price divided by servings per container. No brand pays to be listed or ranked.
Common questions
How much Sulforaphane should I take?
The typical range is 10-50 mg sulforaphane or equivalent. Safe long-term
When should I take Sulforaphane?
Any time. Optional.
Which form of Sulforaphane is best?
Broccoli sprout extract with myrosinase — Needs enzyme for conversion. Other forms in the catalog: Stabilized sulforaphane, Fresh sprouts.
Is Sulforaphane safe?
Commonly reported: Gas, Bloating. Serious warnings: None. Supports liver detox
Which Sulforaphane supplement scores highest?
Jarrow Formulas BroccoMax, at 95/100. Scored on dose accuracy, form, label transparency and third-party testing — no brand pays to be listed or ranked.
Primary uses
- Detoxification
- Anticancer
- Nrf2 activation
- Inflammation
What systematic reviews concluded
Outcomes that systematic reviews of Sulforaphane reached a verdict on: 1 unclear. Each is quoted from a review and linked to it on PubMed. How these were read.
Not enough to say: cardiopulmonary effects of air pollution.
2 findings from reviews in specific patient groups (such as cancer, pregnancy or surgery) are not shown here.
How it works
- Activates Nrf2 pathway
- Induces phase II detox enzymes
- NF-kB inhibitor
Dosage
- Typical range
- 10-50 mg sulforaphane or equivalent
- Timing
- Any time
- With food
- Optional
- Duration
- Safe long-term
- Special populations
- Detox, cancer prevention
Forms
- Broccoli sprout extract with myrosinase
- Stabilized sulforaphane
- Fresh sprouts
Safety
Common side effects
- Gas
- Bloating
Contraindications
- None
Products containing Sulforaphane
Top-scoring supplements in our catalog that list Sulforaphane on the label. Each product is graded on Formulate's ingredient-level rubric — dose accuracy, form, transparency, and third-party testing.
Evidence notes
Powerful Nrf2 activator
Grade B: Some human trials support key claims; further confirmation needed.
Related in Antioxidant
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Medical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider. Individual needs and risks vary — consult a professional before starting, stopping, or combining supplements, especially if you are pregnant or nursing, taking medication, or managing a health condition.