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Ester C 500mg

Fail

The top 5 brands take 100% of clicks, so Ester C 500mg is a Fail.

Flapen Score
43
43 / 100
Ranks 10,775 of 14,768 Health & Household niches · −6 vs the category median of 49
Market size
$524K/yr90K searches / yr
90-day growth
-12.2%search demand this quarter
Competition
92%top-5 click share · 3 brands · 35 sellers

Flapen Score

Ester C 500mg against its category

The dotted line is the Health & Household average. Past it, Ester C 500mg is stronger. Inside it, weaker.

43Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Ester C 500mg market on Amazon at a glance

Shoppers on Amazon United States searched for Ester C 500mg 90K times last year and spent an estimated $524K. All 3 brands take every click. Demand peaks in Aug–Sep–Oct–Nov. Flapen scores it 43 out of 100, a Fail.

01 · Demand

An estimated 30.1% of those searches ended in a purchase.

Shoppers searched for this 90K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 30.1% of those searches ended in a purchase. Searches in the last 90 days moved -12.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated $524K a year.

Searches, last 12 months
90K
Growth, 90 days vs prior 90
-12.2%
Conversion, latest week
30.1%
Market size, estimated
$524Ka year
Peak month
September3.5× the quietest month
Top search term
ester c 500mg73K searches a year

02 · Price

A sale here is worth $19.43.

Listings sell for $19.43 on average, from $6.63 to $33.07. Amazon reports units sold in ranges. This niche sold 30K to 40K a year. The average listing sells 3,000 to 4,000 of them. At $19.43 that is $58K to $78K a year per listing.

Average price
$19.43inside the $15 to $100 sweet spot
Price range
$6.63–$33.07
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
30K–40K
Units per listing a year
3,000–4,000
Revenue per listing a year
$58K–$78K
Returns
0.0%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is reviews.

38% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #476 within Vitamin C. It carries 7,081 reviews at 4.79 stars, so a new listing needs social proof before a better product.

Sponsored listings
38%
Prime listings
100%
Out of stock, average day
0.0%
Average rank
#476in Vitamin C
Average rating
4.79 starsAmazon United States average 4.42 stars
Average reviews
7,081per listing
Listings tracked
8

04 · Newcomers

Brands here are established.

The brands on the shelf have sold for 121 months on average, so the names here are established.

Launched, last 12 months
0
Successful launches
0Amazon's first-year sales bar
Average brand age
121 months

Products

Top Ester C 500mg products & what they sell for

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

Sign in to see the products

The products selling in this niche are for signed-in readers. Every market figure above stays open to everyone.

Competition

Competition: brands, sellers & click share

The top 5 products take 92% of clicks. A locked shelf that new listings rarely crack.

Brands

3 flat

Sellers

35

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

92%

Top 20: 100%

Open market

0%

  • Brand 148%
  • Brand 248%
  • Brand 34%
  • Open — no brand owns it (0%)

Demand

Ester C 500mg search demand

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

9K7KPrime Day '25Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Aug, Sep, Oct, Nov · busiest ÷ quietest = 3.5×

Search terms

Top Ester C 500mg search terms shoppers use

The exact words shoppers type, with yearly volume, growth, and conversion.

  • ester c 500mg73K/yr
  • ester c 500mg capsules8K/yr
  • ester-c 500mg4K/yr
  • ester c 500 mg3K/yr
  • ester c 5003K/yr

Reviews and returns

What reviews say buyers love and hate about Ester C 500mg

We read the reviews and the return reasons for every product selling here.

23%of positive reviews mention “Vitamin”
25%of negative reviews mention “Size-Overall”
<0.1%of orders come back, a rate Amazon rounds to zero
“They are huge”
A buyer, on “Size-Overall”25% of negative reviews mention the same topic

Every topic

Every topic buyers talk about, one row each.

Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.

17 topics

NegativePositive

FAQ

Common Ester C 500mg questions

Answered from the same tracked data.