10 Best Broccoli Supplements in 2026
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Our best overall broccoli supplement is the Nutramax Laboratories AVMAES75NC Broccoli Supplement for its clinically studied formula and convenient daily tablet. For a high-potency capsule, we like the Jarrow Formulas BroccoMax, and the KOYAH Organic Broccoli Sprout Powder is our top whole-food pick. Choosing the right broccoli supplement means navigating a market focused on sulforaphane, a compound linked to detoxification and cellular defense.
The right choice depends on whether you value clinical research, a specific delivery format, or ingredient purity. We compiled this list by researching product specifications, manufacturer data, and patterns in expert round-ups to help you find a reliable option.
Top 10 Broccoli Supplements in the Market
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The Best Broccoli Supplements, Reviewed
Nutramax Laboratories AVMAES75NC Broccoli Supplement
What We Like
- Most-studied sulforaphane brand for clinical trials
- Includes maitake mushroom extract for immune support
- Convenient one-tablet daily vegetarian formula
- Shelf-stable, requires no refrigeration
Trade-offs
- 75-tablet supply
- Weighs 0.2 pounds for shipping
As the most-studied sulforaphane-producing supplement chosen for more human clinical trials than any other brand, Avmacol offers a formula with a documented research pedigree. This combination of glucoraphanin and a myrosinase blend, plus added beta-glucan and maitake mushroom extract, aims for broader detoxification and immune support than sulforaphane alone. The result is a straightforward, premium choice in a one-per-day vegetarian tablet backed by rigorous testing.
Its 75-tablet supply provides a standard duration, though some competing products in a similar price tier offer larger container counts. You are paying for the clinical history and the enhanced formula with added compounds, not necessarily for bulk. This positions it comfortably in the premium tier, so if the priority is the most referenced brand in the research, this is it.
Product photos

Jarrow Formulas BroccoMax Sulforaphane Generator
What We Like
- Delayed-release capsules for targeted delivery
- Includes myrosinase to activate sulforaphane
- Two-month supply in one bottle
- Vegetarian-friendly capsule formulation
Trade-offs
- Requires taking two capsules daily
- Bottle dimensions are relatively large at 5.0 x 5.0 x 2.6 inches
Jarrow Formulas BroccoMax provides a 60-day supply in a single bottle of 120 capsules, so a buyer doesn’t need to reorder frequently. The delayed-release vegetarian capsules are designed to support liver health, and the suggested use is a simple routine of two capsules once daily. This straightforward approach suits someone looking for consistent support from a supplement containing both sulforaphane glucosinolate and myrosinase from broccoli seed extract.
The bottle’s dimensions are 5.0 inches in length, width, and height, which makes it a square container. Its listed weight is 0.1 kilograms, so it has a light physical heft. Among the listed products, several alternatives have different form factors, such as KOYAH’s powder in a smaller container or Mara Labs’ capsule bottle with a slimmer profile.
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KOYAH Organic Broccoli Sprout Powder
What We Like
- Freeze-dried to preserve active myrosinase enzyme
- Third-party tested for glucoraphanin and myrosinase
- Made from certified organic, USA-grown whole sprouts
- No additives; 100% pure sprout powder
Trade-offs
- Mildly spicy taste may not suit all palates
- Powder form requires mixing into liquid
Third-party testing confirms active myrosinase and glucoraphanin content, providing a verified foundation for the sulforaphane conversion that happens when you mix the powder with water. Its freeze-dried raw form preserves the enzyme, and each scoop equals a quarter-cup of fresh sprouts. This offers a measured, whole-food alternative to the daily task of growing and preparing sprouts yourself.
Preparing this powder requires mixing it into a liquid, unlike many other sulforaphane supplements that come in pre-dosed capsules or tablets. The product’s own description notes a mildly spicy taste similar to fresh broccoli sprouts. This format suits someone who prefers a whole-food powder and doesn’t mind the extra step, rather than a person prioritizing the convenience of a sealed, single-serving pill.
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Mara Labs BrocElite Plus Stabilized Sulforaphane
What We Like
- Third-party tested for glyphosate residue.
- Stabilized sulforaphane derived from natural ingredients.
- Free from common allergens and fillers.
- Simple two-capsule daily protocol.
Trade-offs
- 30-count bottle requires a new purchase monthly.
- No specific sulforaphane milligram amount listed.
Its certification as Glyphosate Residue-Free is the standout feature for anyone prioritizing a supplement free from common agricultural chemical contaminants. This makes BrocElite Plus a straightforward choice for the cautious buyer who wants a stabilized, direct sulforaphane source without a complex activation process. The formulation avoids a long list of common irritants and fillers, which simplifies checking the label against dietary restrictions.
BrocElite Plus contains stabilized sulforaphane directly, a molecule naturally found in foods like broccoli and cauliflower, so your body doesn’t need to produce it from other compounds. The bottle holds 30 capsules, which matches the brand’s two-per-day recommendation for a full two-week supply. This makes it a compact option compared to supplements offering 60 or 120 servings for extended use.
SMNutrition Doctor-Formulated Sulforaphane Supplement
What We Like
- Doctor-formulated for targeted cellular support
- Delayed-release microbeadlets for improved absorption
- Third-party tested to verify 50mg potency
- Clean, allergen-free formulation
Trade-offs
- Beadlet form differs from standard capsules or powders
- No stated weight for precise travel planning
Each serving provides 50mg of activated sulforaphane, a compound that stimulates NRF2 to support cellular antioxidant production. This makes it a straightforward choice for someone seeking a doctor-formulated product focused on foundational cellular health and detox support, without the extra herbal blends some competitors include. The delayed-release microbeadlet design aims to protect the compound and improve delivery, a thoughtful touch for a sensitive molecule.
That 50mg dose sits in the middle of the range seen across sulforaphane supplements. The product’s feature list emphasizes a clean, third-party tested formula with glucoraphanin and myrosinase. This focused approach is for a buyer who wants a dedicated sulforaphane supplement, unlike multi-ingredient formulas listed elsewhere.
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Thorne Broccoli Seed Extract
What We Like
- Contains two SGS sources for liver detox
- Includes myrosinase for optimal bioavailability
- Third-party tested for label accuracy
- Activates the body's natural antioxidants
Trade-offs
- No specific sulforaphane potency listed on label
Thorne’s formula combines sulforaphane glucosinolate from both broccoli and kale, paired with mustard seed myrosinase, which is the specific design for someone prioritizing liver detoxification pathways. The inclusion of two distinct SGS sources and the enzyme for conversion means the body can more reliably generate the active compound. It suits the skeptical tinkerer who values the NSF certification as a check against marketing claims and wants a brand trusted in clinical settings.
The trade-off is the modest bottle size. You get 60 capsules, which at a standard two-per-day protocol lasts just a month. For comparison, Jarrow Formulas BroccoMax offers a 120-delayed-release capsule supply in a similarly compact package. If your primary goal is maximizing sulforaphane yield per serving above all else, the OPUS LONGEVITY BROQ supplement claims a potency advantage in third-party testing.
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Nutramax Avmacol Sulforaphane Supplement
What We Like
- Clinically researched in human trials
- Tablets can be swallowed whole or crushed
- Manufactured in the USA with quality checks
Trade-offs
- Standard 60-count bottle, not the largest supply
- Tablet form requires swallowing or crushing
Avmacol is the brand used in more human clinical trials for sulforaphane than any other supplement. For someone who prioritizes evidence from published studies, especially when considering a protocol for specific health concerns, that’s a significant point of confidence. It delivers the necessary precursors, glucoraphanin and myrosinase, in a straightforward tablet, made domestically with a focus on quality control.
The trade-off is in the delivery format. You’re getting a reliable, researched formula, but in a standard tablet. If you prefer a powder you can blend into a smoothie, like KOYAH’s Organic Broccoli Sprout Powder, or a delayed-release capsule from another brand, this might feel a bit conventional. It’s a workhorse, not a novelty, which fits someone who wants to see the research behind a product before trying it.
Product photos

OPUS LONGEVITY BROQ Sulforaphane Supplement
What We Like
- Delivers 25mg of sulforaphane per serving
- Every batch independently tested for purity and potency
- Delayed-release capsule protects from stomach acid
- Potency verified against 20 other brands
Trade-offs
- Requires taking 2 capsules per serving
- Must be taken on an empty stomach or 30 minutes post-meal
- A full 75mg daily dose requires 6 capsules
The independent lab results show this supplement delivers more than double the sulforaphane of most competitors, which matters because over half of the supplements sold deliver less than 1mg. For someone looking for a dose shown in studies to support cellular health, this offers a concrete, verified potency. It suits a buyer who prioritizes lab-verified content over marketing claims and wants a dose in the effective 30-70mg daily range without guesswork.
BROQ’s protocol requires taking two capsules up to three times daily, coordinating with meals for proper absorption. This delayed-release design ensures the active ingredients survive digestion, a tangible advantage for bioavailability that many other brands lack.
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Solaray Activated Broccoli Seed Extract
What We Like
- Standardized 10% SGS for consistent potency
- Manufacturer lab verifies purity and potency
- Includes a 60-day money-back guarantee
- Uses ocean and landfill plastic in bottle
Trade-offs
- Only 30 servings, a one-month supply at full dose
- Lacks listed myrosinase for on-demand activation
A 10% standardization for sulforaphane glucosinolates means you know precisely what you’re getting in each capsule, which is critical for tracking any protocol. This extract is ideal for those who prioritize documented, lab-verified consistency from a single source over a proprietary blend. The bottle’s recycled plastic is a thoughtful touch, aligning with a health-focused lifestyle.
With 30 capsules in the bottle, you get a full month’s supply if you follow the one-per-day serving. You’ll need to reorder more often than with higher-count alternatives. For instance, Jarrow Formulas BroccoMax provides 120 delayed-release capsules for a 60-day supply at two capsules per day, which could be preferable for those seeking extended-release delivery and less frequent purchases.
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FloraBliss Liposomal Sulforaphane Formula
What We Like
- Liposomal delivery for improved ingredient absorption
- Includes quercetin, selenium, and NAC for broad-spectrum support
- Contains myrosinase from mustard seed to activate sulforaphane
- Vegan, gluten-free formula in a two-month supply
Trade-offs
- Larger capsule count may be cumbersome for minimalists
- Multi-ingredient design complicates isolating sulforaphane's effects
- At 4.7 inches tall, the bottle requires more shelf space
FloraBliss centers its formula on 1000mg of liposomal sulforaphane, using liposomal technology that aims to support efficient delivery. This blend is designed for someone seeking a consolidated routine, as it combines quercetin, selenium, NAC, myrosinase, and piperine in one capsule, bundling several ingredients commonly associated with this type of supplement. The inclusion of the myrosinase enzyme and piperine from black pepper is intended to address absorption, making it a multi-ingredient option for those who prefer not to manage several separate bottles.
A trade-off with this all-in-one design is the inability to adjust individual component doses separately. If your priority is isolating the effects of a specific compound, other products focus on a narrower set of ingredients. FloraBliss suits someone already committed to a multi-faceted protocol who values the convenience of a single formula, accepting that its intended benefits come from the combined ingredients.
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How We Evaluated Broccoli Supplements
Our evaluation relied on published product specifications, manufacturer documentation, and analysis of expert round-ups from industry sources. We focused on the presence of key precursors like glucoraphanin and myrosinase, third-party verification of purity and potency, and the practicalities of daily use, such as serving size and formula type. The goal was to identify products that deliver on their stated claims for those seeking sulforaphane supplements.
A core criterion was the supplement’s approach to generating sulforaphane, the active compound. We prioritized formulas that include both the precursor glucoraphanin and the activating enzyme myrosinase, as this combination is critical for reliable production in the body. We also valued transparency, giving weight to products with third-party testing for specific compounds like glyphosate or guaranteed potency levels.
Our research-based approach has clear limits. We cannot verify a product’s performance in your body or guarantee a specific health outcome. The variability in individual response to these vegetable supplements is well-documented in scientific literature. We present the data so you can make an informed choice with your healthcare provider.
What To Look For In Broccoli Supplements
Broccoli supplements aim to deliver sulforaphane or its precursors. Your choice should balance scientific backing, convenience, and your personal health priorities.
Look for a formula with both glucoraphanin and myrosinase for reliable sulforaphane production, third-party verification for purity and potency, and a delivery format (tablet, capsule, powder) that fits your routine.
Sulforaphane Generation Method
The most effective supplements provide the tools for your body to produce sulforaphane. This means a formula containing both glucoraphanin, the precursor compound found in broccoli seeds, and myrosinase, the enzyme that activates it. Products that only list “broccoli seed extract” without myrosinase rely on your gut microbiome for conversion, which can be inefficient and vary greatly between individuals. Many of the best-rated broccoli extract supplements explicitly include this enzyme, often sourced from mustard seed or daikon radish.
Verification and Transparency
Given the variability in supplement quality, independent verification is key. Look for products that undergo third-party testing, with certificates of analysis available. This testing can confirm the absence of contaminants like heavy metals or glyphosate and verify the claimed amounts of active compounds. Some brands quantify the sulforaphane yield per serving, while others standardize the glucoraphanin content. Transparency about sourcing, such as using certified organic or USA-grown broccoli sprouts, adds another layer of confidence for these whole food supplements.
Format and Practicality
Consider how you’ll take the supplement daily. Tablets and capsules offer convenience but may contain fillers. Powders made from freeze-dried broccoli sprouts represent a whole-food approach but require mixing and have a distinct taste. Delayed-release capsules are designed to protect ingredients from stomach acid. Also, check the serving size: a “two-capsule daily” protocol is common, but the total bottle count determines how long a supply lasts.
- Review the full ingredient list for common allergens or unnecessary additives.
- Calculate the cost per serving, not just the bottle price.
- Note any special instructions, like taking on an empty stomach.
- Consider shelf space; some bottles are notably tall or wide.
- Assess if the formula is vegetarian or vegan if that matters to you.
The most reliable supplement provides both precursor compounds, proves its contents through testing, and fits easily into your daily routine.
Broccoli Supplements Compared
The following table lets you quickly compare our top picks across key specifications to help narrow your choice.
| Product | Key Ingredients | Form | Serving Size |
|---|---|---|---|
| Nutramax Laboratories AVMAES75NC Broccoli Supplement | Glucoraphanin & Myrosinase | Tablets | One |
| Jarrow Formulas BroccoMax Sulforaphane Generator | Sulforaphane Glucosinolate & Myrosinase | Delayed-release veggie capsules | Two capsules |
| KOYAH Organic Broccoli Sprout Powder | Glucoraphanin (SGS), Active myrosinase | Freeze-dried whole powder | 1 scoop |
| Mara Labs BrocElite Plus Stabilized Sulforaphane | Stabilized sulforaphane | Capsules | 2 capsules |
| SMNutrition Doctor-Formulated Sulforaphane Supplement | Glucoraphanin & myrosinase | Delayed-release microbeadlets | N/A |
| Thorne Broccoli Seed Extract | Broccoli & kale seed extracts, Mustard seed powder | Capsules | N/A |
| Nutramax Avmacol Sulforaphane Supplement | Glucoraphanin & myrosinase | Tablets | N/A |
| OPUS LONGEVITY BROQ Sulforaphane Supplement | N/A | Delayed-release capsules | 2 capsules |
| Solaray Activated Broccoli Seed Extract | 10% sulforaphane glucosinolates | VegCaps | 350 mg |
| FloraBliss Liposomal Sulforaphane Formula | Broccoli extract 200mg with myrosinase | Capsules | N/A |
Frequently Asked Questions
Which broccoli supplement is best?
The “best” depends on your primary goal. For a supplement backed by clinical research, Nutramax Laboratories AVMAES75NC is a strong choice. If you prefer a whole-food source, KOYAH Organic Broccoli Sprout Powder is a verified option. For those concerned about pesticides, Mara Labs BrocElite Plus is glyphosate-free.
What are the downsides of sulforaphane?
Sulforaphane supplements are generally safe, but some individuals report mild digestive discomfort when starting them. The compound can interact with certain medications, like blood thinners. Furthermore, the conversion of precursors to active sulforaphane in the body is highly variable from person to person, which can affect results.
Which brand of sulforaphane supplement is the best?
There is no single “best” brand, as different brands excel in different areas. Reputable brands often cited in research contexts include Nutramax (Avmacol), Thorne, and Jarrow Formulas. The best brand for you is one that clearly discloses its sourcing, uses third-party testing, and offers a formula matching your need for potency or purity.
Should I take a broccoli supplement every day?
Most broccoli supplements are designed for daily use, as suggested by their serving instructions. Clinical trials often use daily protocols ranging from two weeks to several months. Consistency is likely important for maintaining the cellular pathways sulforaphane supports. Always follow the dosage on the product label or your healthcare provider’s advice.
Can I get sulforaphane from food instead of a supplement?
Yes, you can. Broccoli sprouts are the most concentrated food source, containing significantly more glucoraphanin than mature broccoli. Eating raw or lightly steamed cruciferous vegetables and adding a source of myrosinase, like mustard seed powder, can boost natural sulforaphane production. Supplements offer a convenient, standardized alternative to dietary intake.
The Bottom Line
For most people seeking a well-researched, convenient broccoli supplement, the Nutramax Laboratories AVMAES75NC Broccoli Supplement is the best overall choice due to its clinical trial background and comprehensive formula. If your budget is a concern, consider a straightforward broccoli sprout supplement like Solaray’s standardized extract, while those wanting a multi-ingredient approach might look at FloraBliss’s liposomal formula.
Your single most important decision is understanding how the supplement generates sulforaphane. Prioritize products that transparently include both key precursors, glucoraphanin and myrosinase, and can verify their contents through independent testing. This ensures you’re getting a functional tool for cellular health, not just another superfood supplement on the shelf.

