Description

The ingredients in Thorne’s Broccoli Seed Extract help activate the body’s own natural antioxidants, like glutathione, providing protection from oxidative stress that can last days.*

Each capsule of Thorne's Broccoli Seed Extract is equivalent to eating two pounds of cruciferous vegetables.

Benefits of Thorne’s Broccoli Seed Extract

  • Protects cells from oxidative damage*
  • Supports liver detoxification*
  • Provides long-lasting antioxidant support*


Who can benefit from Thorne's Broccoli Seed Extract

  • Anyone needing help with liver detoxification
  • Individuals with increased exposure to environmental pollutants and toxins
  • Those who have been exposed to dietary toxins
  • Individuals experiencing excess oxidative stress from any source


Features of Thorne’s Broccoli Seed Extract

  • Contains myrosinase from mustard seed to optimize bioavailability  
  • Provides vitamin C to activate myrosinase 
  • Includes two sources of SGS - from broccoli and kale


This product has been third-party tested and certified to verify what's in the package matches what's on the label and to confirm it contains no unsafe levels of contaminants, such as heavy metals, pesticides, and microorganisms.

Suggested 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.

FAQs
Frequently asked question

Is Thorne Broccoli Seed Extract worth buying compared to just eating broccoli?

Yes. Each capsule is equivalent to eating two pounds of cruciferous vegetables, making it a far more practical way to get concentrated benefits. Getting that amount from food daily is unrealistic for most people. The extract delivers standardized levels of active compounds like sulforaphane, ensuring consistent, measurable support for antioxidant protection and liver detoxification that would be difficult to achieve through diet alone.

What is the return policy if Broccoli Seed Extract doesn't work for me?

Thorne products purchased through authorized retailers typically come with a satisfaction guarantee. We recommend checking the specific return policy on the product page or contacting customer support directly. Most purchases can be returned within 30 days if you are unsatisfied. Buying from an authorized source ensures you receive a genuine product and have access to return or exchange options.

What does Thorne Broccoli Seed Extract actually do for your body?

It activates your body's natural antioxidant defenses, including glutathione, helping protect cells from oxidative stress. It also supports liver detoxification pathways. Unlike standard antioxidants that work briefly, the active compounds here trigger a lasting protective response that can continue for several days after a single dose, making it an efficient and long-acting supplement for overall cellular health.

Who should consider taking Broccoli Seed Extract?

Anyone looking to support liver health, reduce oxidative stress, or boost natural detoxification can benefit. It is especially useful for men concerned about long-term cellular protection, those exposed to environmental toxins, or people who don't regularly eat cruciferous vegetables. Athletes, older adults, and those with demanding lifestyles may also find it valuable for maintaining antioxidant balance and overall wellness.

How long does it take to see results from Broccoli Seed Extract?

Results vary by individual, but the active compounds begin working at a cellular level relatively quickly. Because the antioxidant activation can last several days per dose, consistent use builds ongoing protection over time. Most users incorporate it into a daily routine and notice cumulative benefits related to energy, recovery, and overall well-being within a few weeks of regular supplementation.

Are there any side effects or interactions with Thorne Broccoli Seed Extract?

Thorne Broccoli Seed Extract is generally well tolerated. However, if you are taking medications, especially those processed by the liver, consult your healthcare provider before use, as it supports detoxification pathways. Individuals with thyroid conditions should also seek medical advice, as cruciferous compounds can affect thyroid function in high amounts. Always follow the recommended dosage on the label.

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