---
title: "Quercetin — £325K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/quercetin"
last_updated: "2026-07-31T12:25:34.771Z"
locale: en
meta:
description: "Niche score 58/100 · £325K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 58/100 · £325K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Quercetin — £325K/yr Amazon UK Niche (2026) - Flapen"
---
# **quercetin**
**Worth a look**
Shows low returns (0.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 52Growth 19Conversion 95Competition 39Returns 100Price range 73Avg price 79Brand share 63Review moat 66Quality gap 43
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****12.0%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Great****£16.75**
avg listing price — sweet spot $15–$100
**Price range**
**Good****£4.19–£44.13**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Good****880**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Good****67%**
top-5 brand share — brands hold most of the demand
**Market size**
**Good****£325K**
£325K/yr · 162K searches
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Competition**
**Okay****61%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Bad****-11.9%**
90-day search growth — must beat 0% to launch
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.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **quercetin market data**
- **Units sold / yr**
- **15K–20K**
- avg 750–1,000/product
- **Revenue / yr**
- **£251K–£335K**
- units × avg price
- **Conversion rate**
- **12.0%**
- **Avg BSR**
- **#40**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **96%**
- **Out of stock**
- **2.3%**
- **Avg brand age**
- **54 months**
- **Avg seller age**
- **174 days**
## **Competition & brand 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%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -11.9% search growth over the last 90 days.
5K4KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/uk/health-personal-care/quercetin/trend)
## **Top quercetin search terms**
- **quercetin**114K/yr-9.2%10.7% conv. - **quercetin supplement**35K/yr-17.2%10.9% conv. - **quercetin phytosome**4K/yr-28.2%6.3% conv. - **quercetin complex**4K/yr+3.3%14.7% conv. - **quercitin**2K/yr-3.6%12.9% conv. - **quercetin 500mg**3K/yr-45.9%10.9% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/quercetin/search-terms)
## **Top quercetin products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%4%£13K8%£26K12%£39K16%£52K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 23 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**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**Solgar**£10.80**4.6★5,358 rev](https://www.amazon.co.uk/dp/B005AYD8WS) [2**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**NEW LEAF PRODUCTS**£11.99**4.6★965 rev](https://www.amazon.co.uk/dp/B09NRSTHNR) [3**Plant-Based Quercetin 800mg & Bromelain 396 GDU with BioPerine - 120 Vegan Capsules Made from Sophora Japonica Extract & Pineapple by Alpha01**ALPHA01**£8.15**4.6★293 rev](https://www.amazon.co.uk/dp/B08ZRWPQS7) [4**Pure Quercetin (Sophora Japonica) Supplement |1000mg Per Serving | 180 Vegan Capsules - 3 Month Supply | Natural Antioxidant | Made in The UK by Shivay Herbals**Shivay Herbals**£8.24**4.4★167 rev](https://www.amazon.co.uk/dp/B0D8ZQV1J4) [5**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**WeightWorld**£14.29**4.5★1,566 rev](https://www.amazon.co.uk/dp/B0BF5KDPQC)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Pure Organic Quercetin - High Potency Quercetin Supplement for Antioxidant Support - Organic Quercitin Antioxidant Supplements for Immune Health & Energy Boost**NEO-NUTRITION**£7.82**10 rev11mo ago](https://www.amazon.co.uk/dp/B0FLWJQV3N) [**Vegavero Quercetin 1000 mg | with Vitamin C Bromelain and Piperine | 95% Sophora Japonica Extract | Antioxidant Anti-inflammatory and Immune System | NO Additives | Vegan**Vegavero**£18.16**200 rev1y ago](https://www.amazon.co.uk/dp/B0DXFV5SYV) [**Pure Encapsulations Quercetin 250mg - Natural Plant-Source Pure Quercetin Supplement - Promotes Immune Support Cardiometabolic Health and Overall Cellular Health - 120 Vegetarian Capsules**Pure Encapsulations**£44.13**25 rev1y ago](https://www.amazon.co.uk/dp/B0BMQJC8DN) [**Nature Provides Quercetin Phytosome (Quercefit) Bromelain 60 Vegan Caps**Nature Provides**£23.06**49 rev1y ago](https://www.amazon.co.uk/dp/B0DCC2BZRV) [**Pure Quercetin (Sophora Japonica) Supplement |1000mg Per Serving | 180 Vegan Capsules - 3 Month Supply | Natural Antioxidant | Made in The UK by Shivay Herbals**Shivay Herbals**£8.24**167 rev2y ago](https://www.amazon.co.uk/dp/B0D8ZQV1J4)
**~~View all new products →~~**
### **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**Pure Encapsulations**£44.13**4.3★**▲ 95%**](https://www.amazon.co.uk/dp/B0BMQJC8DN) [**Pure Organic Quercetin - High Potency Quercetin Supplement for Antioxidant Support - Organic Quercitin Antioxidant Supplements for Immune Health & Energy Boost**NEO-NUTRITION**£7.82**4.6★**▲ 76%**](https://www.amazon.co.uk/dp/B0FLWJQV3N) [**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**LOVE LIFE SUPPLEMENTS**£23.55**4.4★**▲ 62%**](https://www.amazon.co.uk/dp/B097Q4XCSL) [**Plant-Based Quercetin 800mg & Bromelain 396 GDU with BioPerine - 120 Vegan Capsules Made from Sophora Japonica Extract & Pineapple by Alpha01**ALPHA01**£8.15**4.6★**▲ 52%**](https://www.amazon.co.uk/dp/B08ZRWPQS7) [**Nature Provides Quercetin Phytosome (Quercefit) Bromelain 60 Vegan Caps**Nature Provides**£23.06**4.6★**▲ 37%**](https://www.amazon.co.uk/dp/B0DCC2BZRV)
**~~View all trending →~~**
## **What buyers say about quercetin**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**22%
*“Good quality quercetin supplement”*
**Value For Money**8%
*“Good value for money”*
**Allergies**6%
*“Allergy symptoms for pollen kept at bay”*
**Side Effects**6%
*“Zero side effects which is huge for me”*
**Vitamin**5%
*“Nice supplement easy to swallow”*
**Energy Level**5%
*“Great supplement noticed a good lift in energy”*
**Ease Of Chewing/Swallowing**5%
*“Easy to swallow”*
**Advertised Vs Actual Product**5%
*“does the job”*
**Efficiency**5%
*“Does the job and good value”*
**Vegan/Organic**3%
*“Bioavailable - value”*
### **What buyers complain about **
**Acid Regulator/Stomach Ache Relief**10%
*“Caused me stomach pain”*
**Value For Money**9%
*“Very expensive”*
**Allergies**9%
*“I have histamine intolerance”*
**Side Effects**7%
*“This upset my stomach for the days I took it”*
**Absorbency**6%
*“on average only around 2%-20% of it gets absorbed”*
**Energy Level**5%
*“This left me feeling a bit agitated”*
**Functionality-Overall**5%
*“Didnt seem to do anything at all”*
**Nutritional Content**4%
*“Waste of money for me as no improvement which could not be obtained from a balanced diet provides”*
**Quality-Overall**3%
*“Not as good as my usual brand”*
**Ingredients-Overall**3%
*“Too much Benzene”*
## **Common questions**
- **Is quercetin profitable to sell on Amazon United Kingdom?**
- The niche generates £325K/yr across 23 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -11.9%. Flapen's verdict: Worth a look (58/100).
- **How competitive is the quercetin niche?**
- 21 brands and 28 sellers compete. The top 5 products take 61% of clicks and top 5 brands hold 67% of demand.
- **What do buyers complain about in quercetin?**
- Top complaints mined from reviews: Acid Regulator/Stomach Ache Relief, Value For Money, Allergies. The return rate is 0.1%.
- **When does demand for quercetin peak?**
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- **What does it cost to enter the quercetin niche?**
- Listings span £4.19–£44.13; the average listing price is £16.75 (sweet spot $15–$100). The average incumbent carries 880 reviews — the moat a new listing must climb.
## **Related niches in Health & Personal Care**
- 69 [**cooling towel**](https://flapen.com/research/uk/health-personal-care/cooling-towel)£1.1M/yr>1,000%**Launch it**- 70 [**collagen**](https://flapen.com/research/uk/health-personal-care/collagen)£6.6M/yr-20.1%**Worth a look**- 70 [**dry skin remover feet**](https://flapen.com/research/uk/health-personal-care/dry-skin-remover-feet)£236K/yr+78.2%**Worth a look**- 70 [**stryde knee strap**](https://flapen.com/research/uk/health-personal-care/stryde-knee-strap)£112K/yr>1,000%**Worth a look**- 70 [**libre 2 sensor covers**](https://flapen.com/research/uk/health-personal-care/libre-2-sensor-covers)£240K/yr+67.1%**Worth a look**- 70 [**water retention tablets**](https://flapen.com/research/uk/health-personal-care/water-retention-tablets)£470K/yr+47.2%**Worth a look**[**All Health & Personal Care niches **](https://flapen.com/research/uk/health-personal-care)