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What Is the Best Sulforaphane Supplement? [2023 In-Depth Guide]

Sulforaphane, a powerful compound found in cruciferous vegetables such as broccoli, cabbage, and kale, has garnered significant attention for its potential health benefits. This natural plant compound has been extensively studied for its ability to support various aspects of human health, including:

  • Antioxidant activity
  • Detoxification
  • Cellular protection
  • Inflammation modulation.
  • … an more!

As sulforaphane becomes more and more popular, you might be wondering what’s the best supplement to include it in your health routine. This is what we’re here to answer – what is the best sulforaphane supplement in 2023?

While consuming a diet rich in cruciferous vegetables is an excellent way to obtain sulforaphane, some people may find it challenging to consume sufficient quantities consistently. This is where sulforaphane supplements come into play. These supplements offer a convenient and reliable means of ensuring an adequate intake of this valuable compound.

However, not all sulforaphane supplements are created equal. The market is flooded with various options, making it crucial to choose a high-quality supplement that delivers optimal benefits.

In this article, we will explore the factors to consider when selecting a sulforaphane supplement and review some of the leading products available today. By understanding the key considerations and exploring the top choices, you can make an informed decision that aligns with your health goals.

Join us as we delve into the world of sulforaphane supplements, unlock the science behind their efficacy, and discover the best options to harness the power of this remarkable compound for your overall well-being.

Understanding Sulforaphane

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Sulforaphane is a bioactive compound classified as an isothiocyanate, found abundantly in cruciferous vegetables such as broccoli, brussels sprouts, cauliflower, and kale. It is formed through an enzymatic reaction between glucoraphanin (a glucosinolate compound) and myrosinase (an enzyme) when the plant tissue is damaged, such as during chewing or chopping.

This remarkable compound has risen to notoriety thanks to its many potential health benefits. Numerous scientific studies have highlighted sulforaphane’s ability to support various physiological processes in the body. It is known for its potent antioxidant properties, which help combat oxidative stress and protect cells from damage caused by harmful free radicals.

Moreover, sulforaphane has been shown to possess anti-inflammatory effects, helping to reduce inflammation in the body. Chronic inflammation is associated with a wide range of health conditions, including cardiovascular disease, diabetes, and certain types of cancer. By modulating inflammation, sulforaphane may contribute to the maintenance of overall health.

And, it gets better – sulforaphane has been investigated for its potential to support the body’s natural detoxification processes. It can enhance the expression of detoxification enzymes, aiding in the elimination of harmful substances and promoting the body’s ability to neutralize and remove toxins.

It’s also important that we talk about sulphoraphane’s anticancer properties. Research suggests that it may help inhibit the growth of cancer cells, induce apoptosis (programmed cell death) in malignant cells, and prevent the formation of new blood vessels that nourish tumors.

The remarkable health benefits associated with sulforaphane make it an attractive addition to one’s daily dietary intake. However, to harness its full potential, it is important to choose a sulforaphane supplement that offers high bioavailability and ensures optimal absorption. In the next section, we will explore the main supplement options out there and talk about selecting the best for your needs:

What Is the Best Sulforaphane Supplement: Our Top Picks

So what are the best supplements you can include in your health regimen? Let’s look at the best choices of the year – and why these are the top sulforaphanes to get in 2023:

Jarrow Formulas, BroccoMax, Myrosinase Activated SGS, Delayed Release Veggie Caps

Jarrow Formulas’ BroccoMax is a popular sulforaphane supplement known for its innovative manufacturing process. It utilizes a patented method that preserves myrosinase, the enzyme responsible for metabolizing Sulforaphane Glucosinolate (SGS) into sulforaphane in the small intestine.

The delayed release veggie caps ensure optimal absorption, delivering the sulforaphane to the desired site of action. This supplement offers a convenient and effective way to obtain the benefits of sulforaphane.

Encouraging customer review:

Jarrow foods sulphoraphane supplement review screenshot

Life Extension, Optimized Broccoli and Cruciferous Blend, Enteric Coated Vegetarian Tablets

Life Extension’s Optimized Broccoli and Cruciferous Blend provides a comprehensive blend of cruciferous vegetable extracts, including broccoli, to support overall health. The enteric-coated vegetarian tablets are designed to optimize the conversion of glucoraphanin to sulforaphane in the stomach.

By separating myrosinase from glucoraphanin until they reach the stomach, this supplement maximizes sulforaphane production. The inclusion of additional myrosinase further enhances the conversion, offering an effective way to benefit from the active compounds in broccoli.

Encouraging review:

life extension sulphoraphane supplement review screenshot

Solaray, Activated Broccoli, Vital Extracts, VegCaps

Solaray’s Activated Broccoli supplement offers a potent source of sulforaphane glucosinolates, providing 10% concentration. This supplement supports heart health and digestion while protecting you from free radicals. With lab verification and a vegan formula, Solaray ensures the quality and purity of their product. It is an excellent option for those seeking a reliable sulforaphane supplement – and a particularly good alternative to the Jarrow Foods option.

Encouraging review:

Solaray sulphoraphane supplement review screenshot

It is important to note that these reviews provide a brief overview of the highlighted supplements. When choosing a sulforaphane supplement, it is advisable to conduct further research, read customer reviews, and consult with healthcare professionals to determine the best option for your specific needs.

In the next section, we will compare these sulforaphane supplements based on key factors to assist you in making a well-informed decision.

Comparison of Sulforaphane Supplements

When selecting a sulforaphane supplement, it is helpful to compare different options based on various factors to determine which one best aligns with your preferences and health goals. Let’s compare the reviewed supplements based on the following criteria:

Bioavailability and absorption rates:

Here is how each of these supplements ensures you’re getting the most out of this antioxidant supplement:

  • Jarrow Formulas, BroccoMax: Utilizes a patented process that preserves myrosinase for efficient sulforaphane conversion in the small intestine.
  • Life Extension, Optimized Broccoli and Cruciferous Blend: Incorporates enteric-coated tablets to optimize glucoraphanin-to-sulforaphane conversion in the stomach.
  • Solaray, Activated Broccoli: Provides a concentrated source of sulforaphane glucosinolates for potent sulforaphane content.

Manufacturing processes and quality control:

  • Jarrow Formulas, BroccoMax: Manufactured using a patented process to ensure myrosinase preservation.
  • Life Extension, Optimized Broccoli and Cruciferous Blend: Separates myrosinase from glucoraphanin in a dual-layered tablet for enhanced conversion.
  • Solaray, Activated Broccoli: Lab verified, ensuring quality and purity.

Ingredient purity and absence of contaminants:

  • Jarrow Formulas, BroccoMax: No specific information provided.
  • Life Extension, Optimized Broccoli and Cruciferous Blend: No specific information provided.
  • Solaray, Activated Broccoli: Lab verified for purity.

Dosage and concentration levels:

These are the announced dosages (but keep in mind the sulphoraphane has to be produced in your intestines for all of these, except Jarrow Formulas):

  • Jarrow Formulas, BroccoMax: 35 mg Sulforaphane Glucosinolate.
  • Life Extension, Optimized Broccoli and Cruciferous Blend: 300mg TrueBroc® broccoli extract and 75mg BroccoVital®Myrosinase broccoli extract.
  • Solaray, Activated Broccoli: Provides 10% Sulforaphane Glucosinolates for potency. 350 mg of broccoli seed extract and 13mg of tyrosinase.

Synergistic ingredients and additional health benefits:

Here is what each of these supplements has to offer in terms of additional ingredients and perks:

  • Jarrow Formulas, BroccoMax: No additional ingredients.
  • Life Extension, Optimized Broccoli and Cruciferous Blend: Additional myrosinase to improve sulphoraphane conversion. Rosemary and cabbage extract.
  • Solaray, Activated Broccoli: Supports heart health and digestion.

Consumer reviews and feedback

Interestingly, the average rating for all three of these supplements is 4.7 and they’ve all been used by hundreds of iHerb clients:

  • Jarrow Formulas, BroccoMax: 4.7 out of 5 from 1700+ iHerb reviews.
  • Life Extension, Optimized Broccoli and Cruciferous Blend: 4.7 out of 5 from over 200 iHerb reviews.
  • Solaray, Activated Broccoli: 4.7 out of 5 out of 1000+ iHerb reviews.

Considering these factors will help you evaluate which sulforaphane supplement aligns best with your preferences, requirements, and health goals. It is important to conduct additional research, consult with healthcare professionals, and read customer reviews to make an informed decision.

In the next section, we will provide guidance on choosing the best sulforaphane supplement based on your individual needs and considerations.

Choosing the Best Sulforaphane Supplement for You

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Selecting the best sulforaphane supplement requires considering your specific health goals, preferences, and budget. Here are some guidelines to assist you in making an informed decision:

A. Identify your specific health goals and needs: Determine the particular health benefits you seek from a sulforaphane supplement. Are you looking to support antioxidant activity, promote detoxification, reduce inflammation, or target a specific health condition? Understanding your goals will help you select a supplement that aligns with your needs.

B. Consult with healthcare professionals or experts: It is always advisable to consult with healthcare professionals or experts who can provide personalized guidance based on your health status, medications, and individual requirements. They can offer valuable insights and recommend the most suitable sulforaphane supplement for you.

C. Consider budget and value for money: Evaluate the cost of the supplement in relation to its quality, concentration, and additional ingredients. While price should not be the sole determining factor, it is essential to find a supplement that offers good value for money based on its efficacy and overall benefits.

D. Make an informed decision based on the factors discussed: Review the information gathered from the previous sections, considering factors such as bioavailability, manufacturing processes, ingredient purity, dosage, concentration, synergistic ingredients, and consumer feedback. Based on your specific needs and preferences, choose the sulforaphane supplement that best meets your criteria.

Remember, everyone’s body and health requirements are unique, so what works for one person may not work the same for another. It may take some trial and error to find the sulforaphane supplement that suits you best. Listen to your body and adjust as necessary.

Prioritizing your health and well-being by choosing a high-quality sulforaphane supplement can support your journey towards optimal health. In the next section, we will conclude by summarizing the potential health benefits of sulforaphane and emphasizing the importance of selecting a reputable supplement.

Factors to Consider in Choosing a Sulforaphane Supplement

And what about the general factors that make a good sulforaphane supplement? Well, they are the same factors we compared our top three options on. This is a cornerstone of our approach here at Supplement Rex – we research and compare supplements based on strict criteria.

When searching for the best sulforaphane supplement, it’s essential to consider several factors to ensure you are getting a high-quality product that maximizes the benefits of this potent compound. Here are key factors to keep in mind:

A. Bioavailability: Sulforaphane’s bioavailability refers to its ability to be absorbed and utilized by the body effectively. Look for a supplement that provides a high level of active sulforaphane content and promotes optimal absorption. Some supplements use specific formulations or delivery systems to enhance bioavailability, increasing the amount of sulforaphane available for the body to utilize.

B. Manufacturing process: The manufacturing process of a supplement can greatly impact its quality and efficacy. Pay attention to supplements that use rigorous quality control measures, follow Good Manufacturing Practices (GMP), and employ reliable extraction methods. These practices help ensure the purity and potency of the sulforaphane extract.

C. Ingredient purity: Ensure that the supplement contains pure and high-quality ingredients without contaminants or unnecessary fillers. Look for products that undergo thorough testing and certification to guarantee their purity and safety.

D. Dosage and concentration: Consider the dosage and concentration of sulforaphane in each supplement. The optimal levels may vary depending on individual needs and health goals. It is advisable to consult with healthcare professionals or follow the recommended dosage guidelines provided by the manufacturer.

E. Synergistic ingredients: Some supplements may include additional ingredients or cofactors that enhance the effects of sulforaphane. These synergistic compounds can support the body’s utilization of sulforaphane and provide additional health benefits. Look for supplements that incorporate such ingredients to maximize the overall impact on your well-being.

F. Brand reputation and certifications: Choose supplements from reputable brands known for their commitment to quality and transparency. Look for certifications or third-party testing that validate the product’s purity, potency, and adherence to safety standards.

By considering these factors, you can make an informed decision and select a sulforaphane supplement that meets your specific needs and ensures you are obtaining the maximum benefits from this remarkable compound.


Sulforaphane, the powerful compound found in cruciferous vegetables, offers numerous potential health benefits. Choosing the best sulforaphane supplement involves considering factors such as bioavailability, manufacturing processes, ingredient purity, dosage, concentration, synergistic ingredients, and consumer feedback.

While Jarrow Formulas’ BroccoMax, Life Extension’s Optimized Broccoli and Cruciferous Blend, and Solaray’s Activated Broccoli are notable options, it is crucial to assess which supplement aligns best with your specific health goals and preferences. Consulting with healthcare professionals, considering your budget, and making an informed decision will ensure that you obtain a high-quality sulforaphane supplement that suits your needs.

Remember, incorporating a sulforaphane supplement is not a substitute for a balanced diet rich in cruciferous vegetables. However, it can be a valuable addition to support your overall health and well-being.

Prioritize your health, make informed choices, and embark on your journey to unlock the potential benefits of sulforaphane for optimal health!


What is the best form of sulforaphane?

The best form of sulforaphane is typically obtained from broccoli sprouts or broccoli seed extract. These sources contain high levels of glucoraphanin, the precursor to sulforaphane. When broccoli sprouts are chewed or broccoli seed extract is consumed, the enzyme myrosinase acts on glucoraphanin to convert it into sulforaphane. This natural conversion process ensures optimal bioavailability of sulforaphane. However, it’s important to note that the efficacy and bioavailability of sulforaphane can vary among different supplement formulations.

Are sulforaphane supplements effective?

Yes, sulforaphane supplements can be effective in providing the health benefits associated with sulforaphane. However, the effectiveness of a supplement depends on various factors, including its quality, manufacturing processes, dosage, and bioavailability. It’s crucial to choose a reputable brand that employs high-quality manufacturing practices and ensures the preservation of myrosinase, the enzyme necessary for sulforaphane conversion. Additionally, individual responses to sulforaphane supplements may vary, and it’s always advisable to consult with healthcare professionals for personalized guidance.

What is the best way to absorb sulforaphane?

The absorption of sulforaphane can be optimized by taking certain measures. One effective approach is to consume sulforaphane-containing foods or supplements alongside a source of myrosinase. Myrosinase can be found in raw cruciferous vegetables, such as mustard greens, radishes, and arugula, or through supplementation with myrosinase-enriched products. By combining sulforaphane with myrosinase, either naturally occurring or supplemental, the conversion of glucoraphanin to sulforaphane is enhanced, improving its absorption and bioavailability.

What are the side effects of too much sulforaphane?

Sulforaphane is generally considered safe and well-tolerated when consumed in reasonable amounts. However, excessive intake of sulforaphane, particularly through concentrated supplements, may lead to some potential side effects. These side effects can include gastrointestinal discomfort, such as bloating, gas, or an upset stomach. Additionally, sulforaphane supplements may interact with certain medications or affect thyroid function in high doses. It’s always advisable to follow recommended dosage guidelines, consult with healthcare professionals, and be aware of any potential interactions or sensitivities before incorporating high-dose sulforaphane supplementation into your routine.


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