Safety · Supplement
Sulforaphane: side effects, safety & interactions
Generally safe; GI upset at high doses.
- Overall grade
- Grade C
- Last revised
- 0
- graded outcomes
- 0
- references listed
Assembled by the app from other entries in this library. It adds no evidence of its own — follow the links to the entries it draws on.
The evidence in words
Safety profile
Generally safe; GI upset at high doses.
Interactions to respect
No major interactions are on record for Sulforaphane at typical doses, but tell your clinician about everything you take.
What Sulforaphane is
Sulforaphane is an isothiocyanate from broccoli sprouts, a potent activator of the Nrf2 cellular-defense pathway.
The honest bottom line
A genuinely interesting Nrf2 activator with real biomarker effects and early clinical promise. Product quality is the catch — many extracts deliver little active compound.
Related reading
Entries that share this one's tags or conditions.
- Green Tea Extract (EGCG): side effects, safety & interactionsBrewed tea is safe. Concentrated extracts carry a rare hepatotoxicity risk; avoid high fasted doses.Evidence grade C
- SulforaphaneA broccoli-sprout compound that switches on the body's own antioxidant defenses — real biomarker effects, early clinical data.Evidence grade C
- Sulforaphane for Metabolic markersEvidence grade C — EarlyEvidence grade C
- Sulforaphane for Nrf2 / detox biomarkersEvidence grade B — ReliableEvidence grade B
Sources
This entry lists no references of its own — it is assembled from the entries it links to, whose sources are on their pages.
Last revised . A grade is this entry's reading of the evidence, not medical advice.