quercetin phytosome
Skip itStrong incumbent ratings (4.7★) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Avg price
Incredible$28.02avg listing price — sweet spot $15–$100
Price range
Great$8.00–$47.39cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Great8.0%search→purchase rate — share of searches ending in a sale
Brand share
Good72%top-5 brand share — brands hold most of the demand
Review moat
Okay2,198.59avg incumbent reviews — the moat a new listing must climb
Market size
Okay$151K$151K/yr · 67K searches
Competition
Bad70%top-5 click share — a locked-up shelf
Growth
Bad-4.1%90-day search growth — must beat 0% to launch
Quality gap
Bad4.7★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
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.Peak months: Feb, Mar, Apr · busiest ÷ quietest = 2.6×
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.
All 17 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
THORNE - Quercetin Phytosome - Antioxidant Supplement for Immune Health Respiratory Support & Seasonal Allergy Relief* - Third-Party Certified - Gluten Dairy & Soy-Free - 60 Capsules
THORNE$43.894.7★2,372 rev
Now Foods Supplements Quercetin Phytosome 250mg Balanced Immune System 90 Vcaps
NOW Foods$20.674.7★121 rev
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$17.554.5★120 rev
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$26.524.7★406 rev
Pure Encapsulations Quercetin UltraSorb | Enhanced-Absorption Cellular Immune and Cardiovascular Support* | 90 Capsules
Pure Encapsulations$47.394.7★213 rev
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$17.9010 rev
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$15.3129 rev
Now Foods Supplements Quercetin Phytosome 250mg Balanced Immune System 90 Vcaps
NOW Foods$20.67121 rev
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$28.371,245 rev
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$17.55120 rev
Trending
90-day click momentumQuercetin 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$28.374.7★
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$23.604.7★
Nutricost Quercetin 880mg 240 Vegetarian Capsules with Bromelain (165mg) - 120 Servings (440mg Quercetin Per Cap) - Gluten Free Non-GMO
Nutricost$32.944.7★
Life Extension Bio-Quercetin Immune Health Supplement Heart Health Support Gluten Free Non-GMO Vegetarian 30 Capsules
Life Extension$8.004.6★
Now Foods Supplements Quercetin Phytosome 250mg Balanced Immune System 90 Vcaps
NOW Foods$20.674.7★
What buyers say about quercetin phytosome
What buyers praise and complain about, mined from review topics.What buyers love
“I get a consistent quality product every time”
“Helps with allergies”
“Effective”
“Good boost for my immune system”
“is an excellent price”
“The best vitamins out there”
“The ingredients are high quality”
“Great anti-inflammatory”
“Good supplement to add in your daily diet”
“Good taste”
What buyers complain about
“I seem to be allergic to it”
“HOWEVER, it should NOT be taken in the dose indicated on the bottle. two 800 mg capsules”
“Waste of money”
“Had bad side effects”
“The capsules are somewhat large in size”
“there would be broken capsules and off smells”
“they can be difficult to swallow”
“because it can cause stomach and intestinal issues, even when taken with food”
“Will the quality be effective”
“Doesn't help 100%”
Top return reasons
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.