Sulforaphane / Broccoli Sprout Extract
Sulforaphane (from Glucoraphanin + Myrosinase)
Potent Nrf2 activator that upregulates phase II detoxification enzymes and antioxidant response element (ARE) genes; supports liver detox, reduces inflammation, and has anti-cancer properties
Typical longevity dose: 10-50 mg sulforaphane/day (or equivalent SGS)
Price Comparison
| Product | Vendor | Price | Per Serving | Trust | |
|---|---|---|---|---|---|
Swanson Sulforaphane from Broccoli Sprout Extract 400mcg 60 Capsules 0.4mg · capsule · 60 servings | iHerb | $7.64 | $0.13 | 8 | Buy |
Jarrow Formulas BroccoMax 35mg SGS 120 Capsules 35mg · capsule · 120 servings | iHerb | $23.85 | $0.20 | 8 | Buy |
Jarrow Formulas BroccoMax 35mg SGS 120 Capsules 35mg · capsule · 120 servings | Jarrow Formulas | $43.99 | $0.37 | 8 | Buy |
Thorne Broccoli Seed Extract (Crucera-SGS) 60 Capsules 50mg · capsule · 60 servings | Thorne | $38.00 | $0.63 | 9 | Buy |
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Key Research
Sulforaphane is the most potent natural Nrf2 inducer, activating over 200 cytoprotective genes
Houghton CA et al. (2013). Oxidative Medicine and Cellular Longevity
Sulforaphane bioavailability is 7x higher when myrosinase enzyme is present in the supplement
Fahey JW et al. (2017). Nutrients
Interaction Warnings
CYP1A2 substrates
Sulforaphane induces CYP1A2, potentially affecting caffeine and some drug metabolism
Thyroid (goitrogens)
Cruciferous compounds may slightly affect thyroid in iodine-deficient individuals at very high doses
Synergies
DIM
DIM and sulforaphane together support complementary estrogen metabolism pathways
Glutathione / NAC
Sulforaphane upregulates glutathione synthesis; NAC provides the cysteine substrate
Disclaimer: This information is for educational purposes only and is not medical advice. Research citations are provided for reference — consult your healthcare provider before starting any supplement regimen. Prices are estimates and may not reflect current retail pricing.