Extract & Compound · Compound

Glucoraphanin (Sulforaphane Precursor)

Provisional Strong Scorecompound

Hermetica Superfood Encyclopedia

Published March 18, 2026Last updated March 18, 2026Methodology · Editorial policy · Report an error

Evidence review status: unreviewed

Legacy index-continuity record: the score and narrative are provisional and must not be represented as validated or human-approved.

Review flags: AWAITING_SEMANTIC_VALIDATION

Provisional Summary

Glucoraphanin is a glucosinolate found in cruciferous vegetables that converts to sulforaphane when the enzyme myrosinase is present. This conversion activates powerful detoxification pathways and provides anti-cancer protection through Nrf2 pathway activation.

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Screened PMID Records

Reported Benefits

Pending

Synergy Review

At a Glance

CategoryExtract & Compound

GroupCompound

Public Score StatusProvisional Strong

Primary Keywordglucoraphanin benefits

Glucoraphanin close-up macro showing natural texture and detail — rich in antioxidant, chemopreventive, anti-inflammatory

Glucoraphanin (Sulforaphane Precursor) — botanical close-up

Reported Benefits (Provisional)

Glucoraphanin supports detoxification by converting into sulforaphane, a potent detoxifier. This conversion enhances the body's natural cleansing processes. - It may reduce cancer risk by inhibiting carcinogen activation, lowering the likelihood of tumor development. Studies indicate a 40% reduction in cancer risk with regular intake. - Glucoraphanin promotes heart health by reducing LDL cholesterol levels, which can decrease the risk of cardiovascular diseases. - It supports metabolic health by enhancing insulin sensitivity, helping to regulate blood sugar levels. - Glucoraphanin aids in skin protection by reducing oxidative stress, which can prevent premature aging. - It boosts immune function by modulating inflammatory pathways, strengthening the body's defense mechanisms. - Glucoraphanin enhances gut health by promoting a healthy balance of gut bacteria, which is essential for overall well-being.

Origin & History

Natural habitat

Glucoraphanin is a glucosinolate found in cruciferous vegetables like broccoli. It is a precursor to sulforaphane and is extracted through mechanical and enzymatic processes.

“Research into glucoraphanin began in the late 20th century, focusing on its role as a precursor to sulforaphane in cruciferous vegetables.”Traditional Medicine

Research Narrative (Provisional)

Glucoraphanin has been studied in both animal and human trials, showing its potential in cancer prevention and metabolic health. Its conversion to sulforaphane is well-documented.

Preparation & Dosage

Dosage guidance is withheld because the publication gate has not recorded adequate support for this profile.

Nutritional Profile

- Precursor to the bioactive compound sulforaphane. - Found in high concentrations in broccoli seeds and sprouts. - Converts to sulforaphane in the presence of myrosinase.

Reported Mechanism (Provisional)

Mechanism of Action

Glucoraphanin is hydrolyzed by myrosinase enzyme to produce sulforaphane, which activates the Nrf2-ARE pathway. This activation upregulates phase II detoxification enzymes including glutathione S-transferase and quinone reductase. Sulforaphane also inhibits histone deacetylases (HDACs) and modulates p53 tumor suppressor pathways.

Clinical Narrative (Provisional)

Human studies show glucoraphanin supplementation increases sulforaphane metabolites in urine by 2-3 fold within hours. A meta-analysis of 18 studies found 40% reduced cancer risk with high cruciferous vegetable intake. Smaller trials (n=50-200) demonstrate enhanced detoxification enzyme activity and reduced oxidative stress markers. Evidence is strongest for prostate and colorectal cancer prevention.

Also Known As

4-methylsulfinylbutyl glucosinolateSGS4-MSB glucosinolateBroccoli glucosinolateSulforaphane glucosinolate4-(methylsulfinyl)butyl glucosinolate

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These statements have not been evaluated by the Food and Drug Administration. This content is for informational purposes only and is not intended to diagnose, treat, cure, or prevent any disease.

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