Sulforaphane (from Broccoli Seed Extract)

A powerful antioxidant and anti-inflammatory compound found in cruciferous vegetables.

Also known as: SFN • Glucoraphanin

other Names
SFN, Glucoraphanin
primary Benefits
Antioxidant, anti-inflammatory, detoxification
common Dose
10-40 mg per day
best Form
Stabilized sulforaphane from broccoli seed extract.
timing
Can be taken anytime, with or without food.
safety Rating
Generally safe, but may cause mild gastrointestinal side effects.

Overview

Sulforaphane is a sulfur-rich compound found in cruciferous vegetables like broccoli. It is known for its potent antioxidant and anti-inflammatory properties, and has been studied for its potential to prevent and treat various chronic diseases.

Key Benefits

Powerful Antioxidant

Activates the Nrf2 pathway, which upregulates the production of antioxidant enzymes in the body.

Anti-Inflammatory Effects

Inhibits the NF-κB pathway, a key regulator of inflammation.

Supports Detoxification

Enhances the body's natural detoxification processes by inducing phase II detoxification enzymes.

Dosage & How to Take

Dosage can vary depending on the desired effect. It is best to start with a lower dose and gradually increase as tolerated.

PurposeDoseNotes
General Antioxidant Support10-20 mg/dayA good starting dose for most people.
Joint Health20-40 mg/dayMay help to reduce inflammation and pain.
Cancer Prevention40-60 mg/dayHigher doses are being studied for their potential anti-cancer effects.

Best Time to Take

Can be taken at any time of day.

With or Without Food

Can be taken with or without food.

Forms & Bioavailability

FormAbsorptionBest ForNotes
Broccoli Seed ExtractHighGeneral supplementationLook for extracts standardized for sulforaphane or glucoraphanin content.
Stabilized SulforaphaneHighMaximum potencyA more direct and potent form of sulforaphane.

Side Effects & Safety

Common

  • Gas
  • Bloating
  • Diarrhea

Rare

  • Stomach cramps

Contraindications

  • None known.

Interactions

WarfarinModerate

May increase the risk of bleeding.

FurosemideModerate

May alter the activity of enzymes involved in drug metabolism.

Scientific Research

2019Antioxidants & Redox Signaling

Sulforaphane and Cancer

Sulforaphane has been shown to inhibit the growth of cancer cells and induce apoptosis (cell death) in various types of cancer.

2014PNAS

Sulforaphane and Autism

A small study found that sulforaphane from broccoli sprout extract improved social interaction and verbal communication in young men with autism.

Food Sources

Broccoli sprouts
Broccoli
Cabbage
Cauliflower
Kale

Products With Sulforaphane (from Broccoli Seed Extract)

1 product in our database contains this ingredient

Frequently Asked Questions

Medical Disclaimer

This content is for educational and informational purposes only and is not intended as medical advice. Always consult with a qualified healthcare professional before starting any supplement regimen, especially if you have pre-existing health conditions or are taking medications. The statements on this page have not been evaluated by the Food and Drug Administration.