Quercetin
Quercetin shows low returns (0.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Flapen Score
Is Quercetin profitable on Amazon?
According to Flapen's Amazon United Kingdom niche tracking, Quercetin is a £325K/yr Amazon United Kingdom market (162K searches/yr). The top 5 brands hold 67% of demand. Verdict: Worth a look — 58/100.
Quercetin: the Amazon niche in one read
Everything a seller checks before entering, in three answers.
Is the demand real?
Worth a look. Search demand moved -11.9% over the last 90 days and 12.0% of searches end in a purchase.
£325K
revenue / yr
Who owns the niche?
The top 5 brands hold 67% of demand, so 33% of the market is open.
33%
open market share
Is there a way in?
Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.5★ — the gap to enter on.
0/100
page quality · 23 products
Top Quercetin products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Top sellers
by 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
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 datePure 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: brands, sellers & click share
The top 5 products take 61% of clicks — established leaders, but buyers still shop beyond them.
Brands
21 rising
Sellers
28
Top-5 brand share
67%
Top 20: 99%
Top-5 click share
61%
Top 20: 97%
Open market
28%
- Solgar21%
- NEW LEAF PRODUCTS13%
- ALPHA0112%
- Shivay Herbals11%
- WeightWorld10%
- Nutravita5%
Quercetin demand & seasonality
Weekly search volume, with the niche's key stats alongside.
No pronounced peak months · busiest ÷ quietest = 1.5×
Top Quercetin search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.
- quercetin114K/yr
- quercetin supplement35K/yr
- quercetin phytosome4K/yr
- quercetin complex4K/yr
- quercitin2K/yr
- quercetin 500mg3K/yr
What reviews say buyers love and hate about Quercetin
What buyers mention most, as a share of all reviews.
What buyers love
70% of reviews“Good quality quercetin supplement”
“Good value for money”
“Allergy symptoms for pollen kept at bay”
“Zero side effects which is huge for me”
“Nice supplement easy to swallow”
What buyers complain about
61% of reviews“Caused me stomach pain”
“Very expensive”
“I have histamine intolerance”
“This upset my stomach for the days I took it”
“on average only around 2%-20% of it gets absorbed”
Common Quercetin questions
The questions sellers ask about this niche, answered from the tracked metrics.
Related niches
Same-category niches scoring near this one — the next ones worth researching.
Best Flapen score
The highest-scoring niches we track right now, across every category.
