Sulforaphane
MaybeAn estimated 0.1% of orders come back. But shoppers spend an estimated $62K a year here, so Sulforaphane is a Maybe.
- Flapen Score
- 50 / 100Top 41% of 2,035 Health & Personal Care niches · +2 vs the category median of 4850
- Market size
- £62K/yr47K searches / yr
- 90-day growth
- +20.4%search demand this quarter
- Competition
- 78%top-5 click share · 11 brands · 13 sellers
Flapen Score
Sulforaphane against its category
The dotted line is the Health & Personal Care average. Past it, Sulforaphane is stronger. Inside it, weaker.
Market
The Sulforaphane market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Sulforaphane 47K times last year and spent an estimated £62K. The top 5 brands take 78% of clicks. Flapen scores it 50 out of 100, a Maybe.
01 · Demand
An estimated 9.4% of those searches ended in a purchase.
Shoppers searched for this 47K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 9.4% of those searches ended in a purchase. Searches in the last 90 days moved +20.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated £62K a year.
- Searches, last 12 months
- 47K
- Growth, 90 days vs prior 90
- +20.4%
- Conversion, latest week
- 9.4%
- Market size, estimated
- £62Ka year
- Peak month
- April1.5× the quietest month
- Top search term
- sulforaphane28K searches a year
02 · Price
A sale here is worth £14.26.
Listings sell for £14.26 on average, from £8.00 to £21.95. Amazon reports units sold in ranges. This niche sold 4K to 5K a year. The average listing sells 250 to 500 of them. At £14.26 that is £4K to £7K a year per listing.
- Average price
- £14.26under the $15 to $100 sweet spot
- Price range
- £8.00–£21.95
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 4K–5K
- Units per listing a year
- 250–500
- Revenue per listing a year
- £4K–£7K
- Returns
- 0.1%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is low.
75% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 7.0% of listings are out of stock. The average listing ranks #1,428 within Diet & Nutrition. It carries 293 reviews at 4.48 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 75%
- Prime listings
- 100%
- Out of stock, average day
- 7.0%
- Average rank
- #1,428in Diet & Nutrition
- Average rating
- 4.48 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 293per listing
- Listings tracked
- 12
04 · Newcomers
0 of last year's 1 launches cleared the first-year sales bar.
1 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 49 months on average, so the names here are settling in.
- Launched, last 12 months
- 1
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 49 months
Products
Top Sulforaphane products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 24, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
20MG Sulforaphane | from Broccoli Sprouts & Seed Extract | 565MG Microbeadlet Complex | 26MG of Glucoraphanin + Myrosinase | Complete NRF2 Activator Antioxidant & Cellular Health Supplement | 60 Ct.
- Price
- £21.95
- Rating
- 4.4/5
- Reviews
- 1,723
- Age
- 4y ago

Organic Broccoli Sprout Extract 21 000mg - 90 Vegan Capsules - High Strength 15:1 Brassica Oleracea Supplement Extract - Resealable and Recyclable Pouch - By Alpha01
- Price
- £8.09
- Rating
- 4.4/5
- Reviews
- 145
- Age
- 6y ago

Broccoli Sprout Extract 18 000mg | Activated Sulforaphane Supplement | 60 Vegan Capsules | High Strength | by Horbaach
- Price
- £8.23
- Rating
- 4.4/5
- Reviews
- 197
- Age
- 4y ago

Broccoli Sprout Extract by LLS | Contains Activated Sulforaphane | 60 Capsules | 15 000mg of Whole Plant Equivalent per Serving | Sulforaphane Supplement | Potent Antioxidant Content
- Price
- £19.33
- Rating
- 4.5/5
- Reviews
- 963
- Age
- 12y ago

Swanson Broccoli Sprout Extract with Sulforaphane 60 Vegan Capsules high Strength Vegetarian Soy Free Gluten Free Non-GMO
- Price
- £8.52
- Rating
- 4.5/5
- Reviews
- 158
- Age
- 4y ago
Trending
estimated 90-day click momentum
760mg Broccoli Extract 64mg Glucoraphanin Sulforaphane & Myrosinase Full-Spectrum Long-Lasting Antioxidant Properties SanBroc Stomach Acid-Resistant Vegan Supplement (60 Capsules)
- Price
- £19.36
- Rating
- 4.6/5
- Reviews
- 21
- Age
- 4mo ago

ECO-VITS Sulforaphane from Broccoli Sprout Extract 240 Caps (1000mcg) Biodegradable Packaging
- Price
- £21.73
- Rating
- 4.8/5
- Reviews
- 8
- Age
- 5y ago

ECO-VITS Sulforaphane from Broccoli Sprout Extract 60 Capsules 1000mcg Antioxidant & Cellular Support High-Potency Recyclable Packaging Sealed Pouch Suitable for Vegetarian
- Price
- £8.00
- Rating
- 4.6/5
- Reviews
- 11
- Age
- 5y ago

Broccoli Sprout Extract - 100mg Sulforaphane per Serving - Vegan - Antioxidant Supplement - Broccoli Powder Rich in Vitamins and Minerals - 60 Capsules - Made in Germany
- Price
- £18.59
- Rating
- 4.6/5
- Reviews
- 102
- Age
- 5y ago

Broccoli Sprout Extract 15 000mg - 7500mcg Sulphoraphane 60 Vegan Capsules
- Price
- £8.12
- Rating
- 4.2/5
- Reviews
- 24
- Age
- 1y ago
Newest
by launch date
760mg Broccoli Extract 64mg Glucoraphanin Sulforaphane & Myrosinase Full-Spectrum Long-Lasting Antioxidant Properties SanBroc Stomach Acid-Resistant Vegan Supplement (60 Capsules)
- Price
- £19.36
- Rating
- 4.6/5
- Reviews
- 21
- Age
- 4mo ago

Broccoli Sprout Extract 15 000mg - 7500mcg Sulphoraphane 60 Vegan Capsules
- Price
- £8.12
- Rating
- 4.2/5
- Reviews
- 24
- Age
- 1y ago

Youthful Roots Sulforaphane Supplement Gummies | Broccoli Sprout Extract with 34.5mg Glucoraphanin Antioxidant Multivitamin A to K Zinc | 90 Gummies with Strawberry Flavour | Immune & Mood Support
- Price
- £16.27
- Rating
- 4.6/5
- Reviews
- 26
- Age
- 1y ago

450MG Liposomal Sulforaphane Activated Sulforaphane Supplement from Broccoli Sprouts Seed Extract Plus Myrosinase Cellular Level 60 Count (Pack of 1)
- Price
- £12.99
- Rating
- 4.2/5
- Reviews
- 139
- Age
- 2y ago

Swanson Broccoli Sprout Extract with Sulforaphane 60 Vegan Capsules high Strength Vegetarian Soy Free Gluten Free Non-GMO
- Price
- £8.52
- Rating
- 4.5/5
- Reviews
- 158
- Age
- 4y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 78% of clicks. A locked shelf that new listings rarely crack.
Brands
11 rising
Sellers
13
Est. top-5 brand share
78%
Top 20: 100%
Est. top-5 click share
78%
Top 20: 100%
Open market
17%
- SMNutrition30%
- ALPHA0120%
- Horbäach11%
- LOVE LIFE SUPPLEMENTS10%
- Swanson7%
- ECO-VITS5%
- Open — no brand owns it (5 brands, 17%)
Demand
Sulforaphane search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.5×
Search terms
Top Sulforaphane search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- sulforaphane28K/yr
- broccoli sprout extract9K/yr
- sulforaphane supplement10K/yr
Reviews and returns
What reviews say buyers love and hate about Sulforaphane
We read the reviews and the return reasons for every product selling here.
“They do seem to low dose on the Sulforaphane at about 4mg per capsule”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
16 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Sulforaphane questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









