General Dosage
30-60mg sulforaphane daily (or equivalent glucoraphanin with myrosinase)
Maximum dose: 120mg/day (limited safety data above this level)
Sulforaphane Dosage Guide
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Dosage Recommendations
General recommendation: 30-60mg sulforaphane daily (or equivalent glucoraphanin with myrosinase)
Timing: With food; consistent daily dosing for cumulative Nrf2 activation benefits • Take with food for best absorption.
Dosage by Condition
| Condition | Recommended Dose | Evidence |
|---|---|---|
| General Nrf2 activation / longevity | 30-60mg daily | Moderate |
| Detoxification support | 40-60mg daily | Moderate |
| Blood sugar support | 150μmol (~27mg) daily | Emerging |
Upper limit: 120mg/day (limited safety data above this level)
Timing & Absorption
With food; consistent daily dosing for cumulative Nrf2 activation benefits
Best taken with food for optimal absorption.
References
- Egner PA, Chen JG, Zarth AT, et al. (2014). Rapid and sustainable detoxication of airborne pollutants by broccoli sprout beverage: results of a randomized clinical trial in China. Cancer Prevention Research. DOI PubMed
- Axelsson AS, Tubbs E, Mecber B, et al. (2017). Sulforaphane reduces hepatic glucose production and improves glucose control in patients with type 2 diabetes. Science Translational Medicine. DOI PubMed
- Singh K, Connors SL, Macklin EA, et al. (2014). Sulforaphane treatment of autism spectrum disorder (ASD). Proceedings of the National Academy of Sciences. DOI PubMed