Quercetin
MaybeAn estimated 0.1% of orders come back. But demand is soft, at -11.9% this quarter, so Quercetin is a Maybe.
- Flapen Score
- 58 / 100Top 13% of 2,035 Health & Personal Care niches · +10 vs the category median of 4858
- Market size
- £325K/yr162K searches / yr
- 90-day growth
- -11.9%search demand this quarter
- Competition
- 61%top-5 click share · 21 brands · 28 sellers
Flapen Score
Quercetin against its category
The dotted line is the Health & Personal Care average. Past it, Quercetin is stronger. Inside it, weaker.
Market
The Quercetin market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Quercetin 162K times last year and spent an estimated £325K. The top 5 brands take 67% of clicks. Flapen scores it 58 out of 100, a Maybe.
01 · Demand
An estimated 12.0% of those searches ended in a purchase.
Shoppers searched for this 162K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 12.0% of those searches ended in a purchase. Searches in the last 90 days moved -11.9% against the 90 days before. Searches, conversion and average price together put the market at an estimated £325K a year.
- Searches, last 12 months
- 162K
- Growth, 90 days vs prior 90
- -11.9%
- Conversion, latest week
- 12.0%
- Market size, estimated
- £325Ka year
- Peak month
- April1.5× the quietest month
- Top search term
- quercetin114K searches a year
02 · Price
A sale here is worth £16.75.
Listings sell for £16.75 on average, from £4.19 to £44.13. Amazon reports units sold in ranges. This niche sold 15K to 20K a year. The average listing sells 750 to 1,000 of them. At £16.75 that is £13K to £17K a year per listing.
- Average price
- £16.75inside the $15 to $100 sweet spot
- Price range
- £4.19–£44.13
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 15K–20K
- Units per listing a year
- 750–1,000
- Revenue per listing a year
- £13K–£17K
- Returns
- 0.1%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is ads.
96% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 2.3% of listings are out of stock. The average listing ranks #40 within Antioxidants. It carries 880 reviews at 4.49 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 96%
- Prime listings
- 100%
- Out of stock, average day
- 2.3%
- Average rank
- #40in Antioxidants
- Average rating
- 4.49 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 880per listing
- Listings tracked
- 23
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 54 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
- 54 months
Products
Top Quercetin 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 25, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Solgar Quercetin Complex Vegetable Capsules - Pack of 50 - Supports Immunity and Protects from Oxidative Stress - with Ester Vitamin C and Bromelain - Vegan and Gluten Free
- Price
- £10.80
- Rating
- 4.6/5
- Reviews
- 5,358
- Age
- 16y ago

Quercetin 500mg High Strength Antioxidant Supplements (6 Months Supply) 180 Vegan Pure Quercetin Capsules Easy to Swallow - One A Day - Gluten Free & Non-GMO Made in UK by New Leaf
- Price
- £11.99
- Rating
- 4.6/5
- Reviews
- 965
- Age
- 4y ago

Plant-Based Quercetin 800mg & Bromelain 396 GDU with BioPerine - 120 Vegan Capsules Made from Sophora Japonica Extract & Pineapple by Alpha01
- Price
- £8.15
- Rating
- 4.6/5
- Reviews
- 293
- Age
- 5y ago

Pure Quercetin (Sophora Japonica) Supplement |1000mg Per Serving | 180 Vegan Capsules - 3 Month Supply | Natural Antioxidant | Made in The UK by Shivay Herbals
- Price
- £8.24
- Rating
- 4.4/5
- Reviews
- 167
- Age
- 2y ago

Quercetin Supplement 1000mg - 180 Quercetin Capsules - 3 Months Supply - Sourced from Sophora Japonica - 2 Capsules per Day - Non-GMO & Magnesium Stearate-Free - Vegan-Friendly Flavonoids Supplements
- Price
- £14.29
- Rating
- 4.5/5
- Reviews
- 1,566
- Age
- 3y ago
Trending
estimated 90-day click momentum
Pure Encapsulations Quercetin 250mg - Natural Plant-Source Pure Quercetin Supplement - Promotes Immune Support Cardiometabolic Health and Overall Cellular Health - 120 Vegetarian Capsules
- Price
- £44.13
- Rating
- 4.3/5
- Reviews
- 25
- Age
- 1y ago

Pure Organic Quercetin - High Potency Quercetin Supplement for Antioxidant Support - Organic Quercitin Antioxidant Supplements for Immune Health & Energy Boost
- Price
- £7.82
- Rating
- 4.6/5
- Reviews
- 10
- Age
- 11mo ago

Quercetin Bromelain Supplement | 60 Capsules -30 Servings | Powerful Antioxidant | 1000mg Quercetin (from Sophora Japonica) and 500 GDU Bromelain (from Pineapple) per Serving | Love Life Supplements
- Price
- £23.55
- Rating
- 4.4/5
- Reviews
- 86
- Age
- 5y ago

Plant-Based Quercetin 800mg & Bromelain 396 GDU with BioPerine - 120 Vegan Capsules Made from Sophora Japonica Extract & Pineapple by Alpha01
- Price
- £8.15
- Rating
- 4.6/5
- Reviews
- 293
- Age
- 5y ago

Nature Provides Quercetin Phytosome (Quercefit) Bromelain 60 Vegan Caps
- Price
- £23.06
- Rating
- 4.6/5
- Reviews
- 49
- Age
- 1y ago
Newest
by launch date
Pure Organic Quercetin - High Potency Quercetin Supplement for Antioxidant Support - Organic Quercitin Antioxidant Supplements for Immune Health & Energy Boost
- Price
- £7.82
- Rating
- 4.6/5
- Reviews
- 10
- Age
- 11mo ago

Vegavero Quercetin 1000 mg | with Vitamin C Bromelain and Piperine | 95% Sophora Japonica Extract | Antioxidant Anti-inflammatory and Immune System | NO Additives | Vegan
- Price
- £18.16
- Rating
- 4.6/5
- Reviews
- 200
- Age
- 1y ago

Pure Encapsulations Quercetin 250mg - Natural Plant-Source Pure Quercetin Supplement - Promotes Immune Support Cardiometabolic Health and Overall Cellular Health - 120 Vegetarian Capsules
- Price
- £44.13
- Rating
- 4.3/5
- Reviews
- 25
- Age
- 1y ago

Nature Provides Quercetin Phytosome (Quercefit) Bromelain 60 Vegan Caps
- Price
- £23.06
- Rating
- 4.6/5
- Reviews
- 49
- Age
- 1y ago

Pure Quercetin (Sophora Japonica) Supplement |1000mg Per Serving | 180 Vegan Capsules - 3 Month Supply | Natural Antioxidant | Made in The UK by Shivay Herbals
- Price
- £8.24
- Rating
- 4.4/5
- Reviews
- 167
- Age
- 2y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 61% of clicks. Leaders hold, but buyers still shop past them.
Brands
21 rising
Sellers
28
Est. top-5 brand share
67%
Top 20: 99%
Est. top-5 click share
61%
Top 20: 97%
Open market
28%
- Solgar21%
- NEW LEAF PRODUCTS13%
- ALPHA0112%
- Shivay Herbals11%
- WeightWorld10%
- Nutravita5%
Demand
Quercetin search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.5×
Search terms
Top Quercetin search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- quercetin114K/yr
- quercetin supplement35K/yr
- quercetin phytosome4K/yr
- quercetin complex4K/yr
- quercitin2K/yr
- quercetin 500mg3K/yr
Reviews and returns
What reviews say buyers love and hate about Quercetin
We read the reviews and the return reasons for every product selling here.
“Caused me stomach pain”
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.
15 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 Quercetin 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









