---
title: "Quercetin Phytosome — $151K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/quercetin-phytosome"
last_updated: "2026-08-06T19:26:37.355Z"
locale: en
meta:
description: "Niche score 49/100 · $151K/yr market · 67K searches/yr · $28.02 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 49/100 · $151K/yr market · 67K searches/yr · $28.02 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Quercetin Phytosome — $151K/yr Amazon US Niche (2026) - Flapen"
---
# **quercetin phytosome**
**Skip it**
Strong incumbent ratings (4.7★) — this niche doesn't clear our bar today.
Market size 32Growth 23Conversion 79Competition 25Returns 100Price range 81Avg price 95Brand share 55Review moat 43Quality gap 22
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$28.02**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$8.00–$47.39**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Great****8.0%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Good****72%**
top-5 brand share — brands hold most of the demand
**Review moat**
**Okay****2,198.59**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Okay****$151K**
$151K/yr · 67K searches
**Competition**
**Bad****70%**
top-5 click share — a locked-up shelf
**Growth**
**Bad****-4.1%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
According to Flapen's Amazon United States niche tracking, quercetin phytosome is a $151K/yr Amazon United States market (67K searches/yr). The top 5 brands hold 72% of demand. Demand peaks in Feb–Mar–Apr. Verdict: Skip it — 49/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **quercetin phytosome market data**
- **Units sold / yr**
- **5K–6K**
- avg 250–500/product
- **Revenue / yr**
- **$140K–$168K**
- units × avg price
- **Conversion rate**
- **8.0%**
- **Avg BSR**
- **#81**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **82%**
- **Out of stock**
- **2.9%**
- **Avg brand age**
- **80 months**
- **Avg seller age**
- **151 days**
## **Competition & brand share**
The top 5 products capture 70% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**16 **▲rising
**Sellers**
**43**
**Top-5 brand share**
**72%**
Top 20: 100%
**Top-5 click share**
**70%**
Top 20: 100%
**Open market**
**23%**
- THORNE25% - NOW Foods19% - SOLARAY11% - Triquetra Health10% - Pure Encapsulations8% - Life Extension5%
## **Demand & seasonality**
Weekly Amazon search volume, last 98 weeks — -4.1% search growth over the last 90 days.
4K3KSpike '24Spike '25Black Friday '25Holiday '25Spike '26 seasonDecMarJunAugNovMarMay
Peak months: Feb, Mar, Apr · busiest ÷ quietest = 2.6×
[**Open Trend **](https://flapen.com/research/us/health-household/quercetin-phytosome/trend)
## **Top quercetin phytosome 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%10%$15K20%$30K30%$45K40%$60K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 17 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**THORNE - Quercetin Phytosome - Antioxidant Supplement for Immune Health Respiratory Support & Seasonal Allergy Relief* - Third-Party Certified - Gluten Dairy & Soy-Free - 60 Capsules**THORNE**$43.89**4.7★2,372 rev](https://www.amazon.com/dp/B0797DQTVZ) [2**Now Foods Supplements Quercetin Phytosome 250mg Balanced Immune System 90 Vcaps**NOW Foods**$20.67**4.7★121 rev](https://www.amazon.com/dp/B0CR6WV3TJ) [3**SOLARAY Quercetin Phytosome - 20X Absorption - Easy-to-Digest Antioxidants Supplement for Overall Health Support - Vegan and Made Without Soy - 60-Day Guarantee - 30 Servings 30 VegCaps**SOLARAY**$17.55**4.5★120 rev](https://www.amazon.com/dp/B0CD2ZTZWN) [4**Quercetin Complete Quercetin Phytosome with 50X Higher Absorption Clinically Proven & Patented Quercefit Most Effective Form of Quercetin Enhanced with Bromelain Zinc & Vitamin C (60 Capsules)**Triquetra Health**$26.52**4.7★406 rev](https://www.amazon.com/dp/B09ZBGBFYB) [5**Pure Encapsulations Quercetin UltraSorb | Enhanced-Absorption Cellular Immune and Cardiovascular Support* | 90 Capsules**Pure Encapsulations**$47.39**4.7★213 rev](https://www.amazon.com/dp/B0B488MPWT)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**gflow vitamins Quercetin Phytosome 95% Highly Purified with Bromelain | Most Effective Quercetin Form 50X Higher Absorption | Immune Support Supplement Made in the USA**gflow vitamins**$17.90**10 rev1y ago](https://www.amazon.com/dp/B0F3XWN2SB) [**Gade Nutrition Quercetin Phytosome with Bromelain I Purified 95% I 50X Higher Absorption - Most Effective Form of Quercetin with Bromelain I Made in USA -Supplement for Men and Women**GADE NUTRITION BOOST YOUR HEALTH**$15.31**29 rev1y ago](https://www.amazon.com/dp/B0DZFGGD41) [**Now Foods Supplements Quercetin Phytosome 250mg Balanced Immune System 90 Vcaps**NOW Foods**$20.67**121 rev2y ago](https://www.amazon.com/dp/B0CR6WV3TJ) [**Quercetin with Bromelain Quercetin Phospholipid Complex 500 mg High Absorption Supplement Immune Support with Vitamin C Zinc Ginger & Citrus Bioflavonoids with Organic Whole Foods 120 Count**SUPPLEMENTS STUDIO**$28.37**1,245 rev2y ago](https://www.amazon.com/dp/B0CJ13J5RX) [**SOLARAY Quercetin Phytosome - 20X Absorption - Easy-to-Digest Antioxidants Supplement for Overall Health Support - Vegan and Made Without Soy - 60-Day Guarantee - 30 Servings 30 VegCaps**SOLARAY**$17.55**120 rev2y ago](https://www.amazon.com/dp/B0CD2ZTZWN)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Quercetin with Bromelain Quercetin Phospholipid Complex 500 mg High Absorption Supplement Immune Support with Vitamin C Zinc Ginger & Citrus Bioflavonoids with Organic Whole Foods 120 Count**SUPPLEMENTS STUDIO**$28.37**4.7★**▲ 160%**](https://www.amazon.com/dp/B0CJ13J5RX) [**Quercetin with Bromelain - 96% Highly Purified - 120 Count (1 200mg Servings) - Supports Healthy Immune Functions in Men and Women (Vegan Safe Third Party Tested Gluten Free) by Double Wood**Double Wood Supplements**$23.60**4.7★**▲ 36%**](https://www.amazon.com/dp/B0899C4YBK) [**Nutricost Quercetin 880mg 240 Vegetarian Capsules with Bromelain (165mg) - 120 Servings (440mg Quercetin Per Cap) - Gluten Free Non-GMO**Nutricost**$32.94**4.7★**▲ 21%**](https://www.amazon.com/dp/B01MU30S6Z) [**Life Extension Bio-Quercetin Immune Health Supplement Heart Health Support Gluten Free Non-GMO Vegetarian 30 Capsules**Life Extension**$8.00**4.6★**▲ 18%**](https://www.amazon.com/dp/B07JZHSNZF) [**Now Foods Supplements Quercetin Phytosome 250mg Balanced Immune System 90 Vcaps**NOW Foods**$20.67**4.7★**▲ 13%**](https://www.amazon.com/dp/B0CR6WV3TJ)
**~~View all trending →~~**
## **What buyers say about quercetin phytosome**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**24%
*“I get a consistent quality product every time”*
**Allergies**8%
*“Helps with allergies”*
**Efficiency**6%
*“Effective”*
**Immunity Booster**6%
*“Good boost for my immune system”*
**Value For Money**5%
*“is an excellent price”*
**Vitamin**5%
*“The best vitamins out there”*
**Ingredients-Overall**4%
*“The ingredients are high quality”*
**Inflammation**4%
*“Great anti-inflammatory”*
**Nutritional Content**3%
*“Good supplement to add in your daily diet”*
**Taste-Overall**3%
*“Good taste”*
### **What buyers complain about **
**Allergies**12%
*“I seem to be allergic to it”*
**Dosage**8%
*“HOWEVER, it should NOT be taken in the dose indicated on the bottle. two 800 mg capsules”*
**Value For Money**7%
*“Waste of money”*
**Side Effects**5%
*“Had bad side effects”*
**Size-Overall**5%
*“The capsules are somewhat large in size”*
**Smell**5%
*“there would be broken capsules and off smells”*
**Ease Of Chewing/Swallowing**4%
*“they can be difficult to swallow”*
**Regulates Digestion**4%
*“because it can cause stomach and intestinal issues, even when taken with food”*
**Quality-Overall**3%
*“Will the quality be effective”*
**Functionality-Overall**3%
*“Doesn't help 100%”*
### **Top return reasons **
**Pain Relief-Overall**100%
## **Common questions**
- **Is quercetin phytosome profitable to sell on Amazon United States?**
- The niche generates $151K/yr across 17 tracked products. 90-day search growth is -4.1%. Flapen's verdict: Skip it (49/100).
- **How competitive is the quercetin phytosome niche?**
- 16 brands and 43 sellers compete. The top 5 products take 70% of clicks and top 5 brands hold 72% of demand.
- **What do buyers complain about in quercetin phytosome?**
- Top complaints mined from reviews: Allergies, Dosage, Value For Money. The return rate is 0.0%.
- **When does demand for quercetin phytosome peak?**
- Demand peaks in Feb–Mar–Apr; the busiest month runs 2.6× the quietest.
- **What does it cost to enter the quercetin phytosome niche?**
- Listings span $8.00–$47.39; the average listing price is $28.02 (sweet spot $15–$100). The average incumbent carries 2,199 reviews — the moat a new listing must climb.
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