Overview
Most potent natural Nrf2 activator — upregulates phase II detox enzymes.
- Endogenously produced or biosynthesized molecule
- Standardized pharmaceutical- or food-grade supplement
- Combined with cofactors that improve absorption or activity
- Capsule or softgel
- Powder
- Sublingual or buccal
- Liposomal liquid
Mechanism of action
Activates Nrf2/ARE pathway, inducing glutathione, NQO1, HO-1.
- · Nrf2/ARE
- · Phase II detoxification
Effects on the body
Organ system effects
Sulforaphane (Broccoli Sprout) supports hepatocyte antioxidant defenses (glutathione, Nrf2) and phase-I/II detoxification.
Evidence-based benefits
Reduces oxidative stress markers
Moderate evidencePossible autism behavioral benefits
Limited evidencePotential side effects
- · Sulforaphane (Broccoli Sprout) is generally well-tolerated at evidence-based doses
- · Mild GI discomfort (nausea, loose stools, or bloating) possible at higher intakes
- · Headache or transient fatigue reported by a small fraction of users
- · Allergic or hypersensitivity reaction (rash, itching, swelling)
- · Sleep disturbance if taken late in the day
- · Discontinue and seek medical advice if symptoms are severe, persistent, or include difficulty breathing
Drug interactions
Supplement interactions
- Milk thistle (silymarin)Complementary hepatoprotective antioxidant pathways.
- NACRestores hepatic glutathione.
No specific avoidances listed.
Dosing & bioavailability
Where to buy
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Third-party testedIndependently verified Sulforaphane (Broccoli Sprout) — look for USP, NSF, or Informed Sport seals on the label for purity and dose accuracy.Sulforaphane (Broccoli Sprout) third party tested NSF
CapsulesPre-measured Sulforaphane (Broccoli Sprout) capsules — easiest for travel and consistent daily dosing without scoops or scales.Sulforaphane (Broccoli Sprout) capsules
PowderBulk unflavored Sulforaphane (Broccoli Sprout) powder — best cost-per-gram and flexible dosing for stacking or mixing into drinks.Sulforaphane (Broccoli Sprout) powder unflavored
Best sellersMost-purchased Sulforaphane (Broccoli Sprout) products on Amazon — a quick way to see what's reviewed widely before you commit.Sulforaphane (Broccoli Sprout) best sellerScientific evidence9Show studiesHide studies
Sulforaphane on Nrf2 activation and oxidative stress
Houghton CA, et al.
Review of broccoli sprout sulforaphane clinical trials.
Induces Nrf2-target genes; benefits in autism, T2D, and asthma.
PubMed: Sulforaphane (Broccoli Sprout) — Reduces oxidative stress markers
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PubMed: Sulforaphane (Broccoli Sprout) — Possible autism behavioral benefits
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PubMed: Sulforaphane (Broccoli Sprout) — randomized controlled trial
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