Broccoli Seed Extract
Scored by the Formulate Research Team · Last reviewed May 2026
Overview: Thorne Broccoli Seed Extract
Long-lasting cell protection and liver detoxification with an advanced antioxidant formula derived from vegetables* Contains sulforaphane glucosinolate (SGS) from broccoli and kale seed extracts with myrosinase from mustard seeds for optimal bioavailability.
Score Breakdown
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Ingredients per Serving
| Ingredient | Amount |
|---|---|
| Vitamin CAscorbic Acid | 200 mg |
| Sulforaphane Glucosinolate (from Broccoli extract (seed) and Kale (seed)) | 100 mg |
| Mustard Powderseed | 290 mg |
Certifications & Testing
Other Ingredients
Calcium Laurate, Hypromellose (derived from cellulose) capsule
Recommended Use
Take 1 capsule one to two times daily or as recommended by your health-care practitioner.
Warnings
ALLERGY WARNING This product is contraindicated in an individual with a history of hypersensitivity to any of its ingredients. Contains an ingredient derived from mustard (myrosinase). PREGNANCY If pregnant, consult your health-care practitioner before using this product. INTERACTIONS There are no known adverse interactions or contraindications at publication date.
Frequently Asked Questions
What is Thorne Broccoli Seed Extract's Formulate score?
Thorne Broccoli Seed Extract scores 92 out of 100 (grade A) on Formulate's ingredient-level rubric, which weighs evidence quality, dose accuracy, bioavailability, transparency, safety, and manufacturing practices.
Is Thorne Broccoli Seed Extract worth it?
Thorne Broccoli Seed Extract scores 92/100 (grade A). That puts it in Formulate's top tier: its ingredient doses, forms, and label transparency hold up against the clinical evidence, and it carries credible third-party testing. Formulate grades every product with the same automated rubric, so the score reflects the formula — not marketing or sponsorships.
What's in Thorne Broccoli Seed Extract?
Each serving contains Vitamin C (200 mg), Sulforaphane Glucosinolate (from Broccoli extract (seed) and Kale (seed)) (100 mg), Mustard Powder (290 mg). Serving size: 1 Capsule. 60 servings per container.
How do I take broccoli seed extract?
Take 1 capsule one to two times daily or as recommended by your health-care practitioner.
Who makes Broccoli Seed Extract?
Broccoli Seed Extract is made by Thorne. See Formulate's full grade and product lineup for Thorne on its brand page.
Is Thorne Broccoli Seed Extract third-party tested?
Thorne lists the following certifications and testing for this product: NSF Certified, Gluten Free, Dairy Free, Soy Free, Thorne Verified, Natural Flavors, Natural Colors, GMP Certified.
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