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Quercetin

Maybe

Returns run at only 0.1% of orders. But demand is soft, at -11.9% this quarter, so Quercetin is a Maybe.

Flapen Score
58
58 / 100
Top 13% of 2,035 Health & Personal Care niches · +10 vs the category median of 48
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.

58Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

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

12.0% of searches ended in a purchase last week.

Shoppers searched for this 162K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. In the latest week, 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

Amazon counts 0 of last year's 1 launches as successful.

1 products launched here in the last 12 months. Amazon counts 0 of them as successful launches, new products that hit its first-year sales bar. 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

Every tracked product: its share of the shelf, its reviews, and its price.

Competition

Competition: brands, sellers & click share

The top 5 products take 61% of clicks. Leaders hold, but buyers still shop past them.

£0£13K£26K£39K£52K101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

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

Quercetin search demand

Weekly searches over the year, seasonality beneath. Pick a range.

5K4KSpike '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.5×

Search terms

Top Quercetin search terms shoppers use

The exact words shoppers type, with 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

What buyers praise, what they complain about and why they send it back, from the reviews.

Complain

Acid Regulator/Stomach Ache Relief10%−0.05

Caused me stomach pain

This upset my stomach for the days I took it

I discontinued it as it was making my stomach more sensitive

Value For Money9%−0.05

Very expensive

While it is more expensive than other brands on the market

What a waste of money

Allergies9%+0.30

I have histamine intolerance

recently had 2 insect bites on my legs which were very inflamed and extremely itchy

prone to eczema

Side Effects7%−0.09

This upset my stomach for the days I took it

No effect

Absorbency6%−0.03

on average only around 2%-20% of it gets absorbed

Quercitin is very hard to absorb

It's either not from Sophora Japonica or it is a less absorbable form of quercetin

Love

Quality-Overall22%+2.13

Good quality quercetin supplement

No complaints

Excellent Quality

Value For Money8%−0.05

Good value for money

Good value for money

Great price

Allergies6%+0.30

Allergy symptoms for pollen kept at bay

Good for allergies

Great product, it helps me manage my allergies and intolérances efficiëntst

Side Effects6%−0.09

Zero side effects which is huge for me

Didn't notice any effects

But great price easily to swallow no side effects

Vitamin5%

Nice supplement easy to swallow

a high strength vitamin C

it seems like a solid supplement for daily health

FAQ

Common Quercetin questions

Answered from the same tracked data.