Phytonutrient

Sulforaphane Glucosinolate (SGS)

Also known as: SGS, Glucosinolate, Sulforaphane glucosinolate, Broccoli seed extract

Evidence

Stable sulforaphane precursor from broccoli seeds. Powerful Nrf2 activator for detoxification and cellular protection.

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Primary uses

Nrf2 activation
Detoxification
Cellular protection
Phase 2 enzyme induction

How it works

Converts to sulforaphane
Activates Nrf2 pathway
Induces phase 2 detox enzymes
Supports glutathione

Dosage

Typical range: 30-100mg glucosinolate daily
Timing: With meals
With food: Yes
Duration: Safe long-term
Special populations: Detox support

Forms

Broccoli seed extract

Safety

Common side effects

GI upset

Contraindications

Thyroid issues (high doses)

Products containing Sulforaphane Glucosinolate (SGS)

Top-scoring supplements in our catalog that list Sulforaphane Glucosinolate (SGS) on the label. Each product is graded on Formulate's ingredient-level rubric — dose accuracy, form, transparency, and third-party testing.

Thorne

Broccoli Seed Extract

Evidence notes

Strong evidence for Nrf2 activation and detox support

Grade A: Multiple well-designed human trials support the main claims.

Related in Phytonutrient

DIM (Diindolylmethane)B

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Medical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider.