Swanson Sulforaphane from Broccoli Sprouts Review

The Swanson 0.4% Sulforaphane Supplement for Liver Support, Broccoli Sprouts is listed as a 60 vegan capsule supplement for adults, with 400 mcg of broccoli sprout powder per capsule, standardized to 0.4% sulforaphane. The page presents it as a liver support product and describes it as a broccoli sprout formula for GI tract support, cellular support, and antioxidant support. The listing says the product is designed to be easy to swallow in a small vegan capsule. The suggested use on the page is one vegan capsule per day with water, and the page says it fits a daily routine at home or while traveling. The product is described as made in GMP-certified facilities, with purity and potency testing by independent third-party labs. Swanson is described as drawing on five decades of science-backed health products worldwide. According to the page, most dietary supplements are formulated for 24 months from the date of manufacture, while liquids and probiotics are formulated for 12 months. The item details list the brand as Swanson, the item form as capsule, the manufacturer as Swanson GreenFoods Formulas, the container type as bottle, the recommended use as liver support, the diet type as gluten free, vegan and vegetarian, and the primary supplement type as sulforaphane. The allergen information lists dairy free, fish free, gluten free, nut free and soy free. The material features list dairy free, genetically modified organism free, gluten free, natural and soy free. The flavor is listed as unflavored. The legal disclaimer states that these statements have not been evaluated by the Food and Drug Administration and that the products are not intended to diagnose, treat, cure or prevent any disease. The page lists a manufacturer part number of SWR048, a model number of Swanson-SWR048, and an ASIN of B0026CB1G2. The Amazon listing shows a price of $11.19 for one 60 count bottle, with a Subscribe and Save option at $10.07 and a 15 percent savings price of $9.51 on repeat deliveries. Multipack options of two, three and four bottles are shown at $21.26, $30.21 and $38.05. The product is sold by Pattern Products and ships from Amazon. The page reports a 4.6 out of 5 star rating from 1,124 ratings and lists the product as an Amazon's Choice item with over 1K bought in the past month. Returns are noted as non-returnable due to food safety reasons, though damaged or defective items may be refunded or replaced.

Product Focus: Healthy AgingAlso covers:LiverImmune system
Tier ⓘ
Members see this product's tier and why. Tiers run from 1, the strongest evidence, to 5. How we grade →
Evidence ⓘ
How strongly the evidence says this product works: human studies count most, then real reviews, then our biohacker panel.
Positive Reviews
Biohacker Mentions
Cost per month
$6

Study, Trial or Testing Result Summary

MembersHuman studies

human study has measured biological age directly for sulforaphane, but trials showed aging-related markers. A one-month trial in people with kidney disease taking 400 micrograms of sulforaphane daily, the same dose as this product, found higher activity of cell- genes along with phosphate and glucose. …

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Review Totals and Summary

Members6,688 reviews
6,688 reviews · IHerb 4,635 · Amazon 1,124 · Vitacost 801 · Swanson Vitamins 108 · Walmart 20

Swanson Sulforaphane from Broccoli Sprouts is a regarded supplement, with approximately 6688 ratings across various stores, and of those giving it 4 or 5 stars. Customers generally find it a convenient way to access the of broccoli sprouts. **What Buyers Say It Did For Them** users report outcomes from taking these capsules. …

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Biohacker Summary

MembersWhat our biohacker panel says

The main reason is detox: they say it switches on the body's NRF2 pathway, glutathione, and the body pass out plastic chemicals like BPA and pollutants like benzene, with some also citing antioxidant support and longevity. Broccoli sprout extract was the favored source, and three named the same branded supplement, though one said broccoli supplements cannot deliver it reliably. …

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RAL Summary

MembersThe tier and why

More Details

MembersBody systems · Combine with · Possible side effects

Body systems: Liver, Kidneys, Immune system, Muscles, Cellular antioxidant defense. Combine with and possible side are for members.

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Supplement Facts

Sulforaphane 400 mcg
Supplement Facts
Serving Size 1 Vegan Capsule
Servings Per Container 60
Amount Per Serving% Daily Value
Sulforaphane (from BroccoPhane® broccoli sprout concentrate standardized to 0.4% sulforaphane)400 mcg†
† Daily Value not established.

Other ingredients: Rice flour, hypromellose (vegan capsule), magnesium stearate. Contains: Sulfites.

Directions: As a dietary supplement, take one vegan capsule per day with water.

Label source: the brand's label · Report a label change

Where to Buy

Swanson · Amazon · iHerb
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Our articles on this subject

Graded October 27, 2026 by the Reverse Age Lab evidence engine, from human studies, real reviews and our biohacker panel. How we grade. Is this medical advice? No. Rala organizes the published evidence; go over any change with your doctor, especially if you take meds.