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PRODUCT COMPARISON

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INDEPENDENT LAB TEST RESULTS

A third-party independent laboratory tested the top 30 sulforaphane supplements available in the US.
Everything on this page is based on those results.
Links to the certified test results are below.
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26mg sulforaphane per serving

Click on product image to view certified lab results.

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See how the values in the above chart were calculated based on the independent lab results here.

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70% BIOAVAILABLE

The independent lab results show that only these two supplements contain sulforaphane:

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One serving of BROQ™ contains 26mg of sulforaphane.  

At 70% bioavailability, the expected amount that will enter circulation in your body is 18mg.

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One serving of BrocElite Plus™ contains 11mg of sulforaphane.  

At 70% bioavailability, the expected amount that will enter circulation in your body is 8mg.

Click on product image to view certified lab results.

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30% BIOAVAILABLE

The independent lab results show that these supplements contain glucoraphanin and myrosinase (without any sulforaphane):

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The bioavailable sulforaphane per serving of these 11 products ranges from 0mg to 3.3mg.

Click on product image to view certified lab results.

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10% BIOAVAILABLE

The independent lab results show that these supplements contain glucoraphanin (without any myrosinase or sulforaphane):

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The bioavailable sulforaphane per serving of these 17 products ranges from 0mg to 1mg.

Click on product image to view certified lab results.

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Get the full PDF of certified independent lab results

SEE THE TABLE OF LAB RESULTS

IN THE TABLE BELOW...

Column 1 ("Product") is the name of the product.  

Column 2 ("S?") indicates whether or not the product contains sulforaphane.

Column 3 ("G?") indicates whether or not the product contains glucoraphanin (AKA sulforaphane glucosinolate).

Column 4 ("M?") indicates whether or not the product contains myrosinase.

Column 5 ("S in product") indicates the amount (in mg) of sulforaphane contained in one serving of the product.

Column 6 ("Potential S") indicates the potential sulforaphane (in mg) that could be produced from one serving of the product.  (See how this was tested, below.)

Column 7 ("%") indicates the mean bioavailability of the sulforaphane shown in column 6.  For products containing sulforaphane, mean bioavailability is 70%.  For products containing glucoraphanin and myrosinase, mean bioavailability is 30%.  For products containing only glucoraphanin, mean bioavailability is 10%. (Source)

Column 8 ("Bioavail S") is the expected sulforaphane (in mg) that will enter circulation after consuming one serving of the product.  It is calculated by multiplying the previous two columns ('Potential S' x '%').

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SEE HOW THE TESTS WERE PERFORMED

'Potential S' — The potential sulforaphane that could be produced from one serving of product

One serving of product was hydrolyzed, by adding water, for 2 hours, and sulforaphane was measured via HPLC.

'S in Product' — Sulforaphane contained in one serving of product

One serving of product was tested via HPLC for sulforaphane quantity.  No hydrolysis was performed.

'G in product' — Glucoraphanin (sulforaphane glucosinolate) contained in one serving of product

One serving of product was tested via HPLC for glucoraphanin quantity.   

NOTE—FOR ALL PRODUCTS IN THE '10% BIOAVAILABILITY' CATEGORY:

For these products (i.e. ones containing no sulforaphane or myrosinase), we compared 'Potential S' to 'G in Product'.  We chose the larger value of the two and multiplied by 10% to calculate the amount of bioavailable sulforaphane in one serving ('Bioavail S'). 

SEE OWNERSHIP OF TRADEMARKS

Avmacol® is a trademark of Nutramax Laboratories, Inc.
Best Naturals® is a trademark of Best Naturals, Inc.
Brocco Power™ and Wellena™ are trademarks of Wellena and/or Hormones Balance.
BroccoMax® and Jarrow® are trademarks of Jarrow Formulas, Inc.
BroccoProtect™ and Designs for Health® are trademarks of Designs for Health, Inc.
BroceElite™ is a trademark of Epiceutical Labs and/or BrocElite™, Inc.
BrocSprout™ and Nutrigenomic™ are trademarks of Nutrigenomic, Inc.
BROQ™ is a trademark of Superhuman Health, Inc.
BulkSupplements.com® is a trademark of BulkSupplements.com, Inc.
Crucera-SGS® and Thorne® are trademarks of Thorne, Inc.
Dr Berg's™ is a trademark of Dr Berg's, Inc.
Dr Mercola® is a trademark of Dr Mercola, Inc.
Earthborn Elements™ is a trademark of Earthborn Elements, Inc.
Green Concept Nutrition™ is a trademark of Green Concept Nutrition, Inc.
Hormesis® is a trademark of Emjay Research, Inc.
HumanX™ is a trademark of HumanX, Inc.
Koyah® is a trademark of Koyah, Inc.
Life Extension® is a trademark of Life Extension, Inc.
OncoProtect ES™ is a trademark of Pure Therapro RX, Inc.
Pure Organic® is a trademark of Pure Organic, Inc.
Pure Supplements™ is a trademark of Pure Supplements, Inc.
Relentless Improvement® is a trademark of Relentless Improvement, Inc.
Smoky Mountain Nutrition® is a trademark of Smoky Mountain Nutrition, Inc.
Solaray® is a trademark of Solaray, Inc.
Source Naturals® is a trademark of Source Naturals, Inc.
Super Smart® is a trademark of Supersmart, SA and Supersmart USA, LLC
Swanson® is a trademark of Swanson Health Products, Inc.
TrueBroc® is a trademark of Brassica Protection Products, Inc.
Ultrabroc™ and Ultra Botanica™ are trademarks of Ultra Botanica, Inc.
Vitapia™ is a trademark of Vitapia, Inc.