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Slin

Fail

Demand is soft, at -57.4% this quarter, so Slin is a Fail.

Flapen Score
28
28 / 100
Ranks 14,545 of 14,768 Health & Household niches · −21 vs the category median of 49
Market size
$148K/yr367K searches / yr
90-day growth
-57.4%search demand this quarter
Competition
93%top-5 click share · 6 brands · 19 sellers

Flapen Score

Slin against its category

The dotted line is the Health & Household average. Past it, Slin is stronger. Inside it, weaker.

28Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Slin market on Amazon at a glance

Shoppers on Amazon United States searched for Slin 367K times last year and spent an estimated $148K. The top 5 brands take 96% of clicks. Demand peaks in Nov. Flapen scores it 28 out of 100, a Fail.

01 · Demand

An estimated 0.6% of those searches ended in a purchase.

Shoppers searched for this 367K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 0.6% of those searches ended in a purchase. Searches in the last 90 days moved -57.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated $148K a year.

Searches, last 12 months
367K
Growth, 90 days vs prior 90
-57.4%
Conversion, latest week
0.6%
Market size, estimated
$148Ka year
Peak month
November2.4× the quietest month
Top search term
slin351K searches a year

02 · Price

A sale here is worth $63.99.

Listings sell for $63.99 on average, from $26.59 to $155.49. Amazon reports units sold in ranges. This niche sold 2K to 2K a year. The average listing sells 250 to 500 of them. At $63.99 that is $16K to $32K a year per listing.

Average price
$63.99inside the $15 to $100 sweet spot
Price range
$26.59–$155.49
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
2K–2K
Units per listing a year
250–500
Revenue per listing a year
$16K–$32K
Returns
2.3%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is reviews.

86% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 16.7% of listings are out of stock. The average listing ranks #3,459 within Weight Loss. It carries 7,570 reviews at 4.43 stars, so a new listing needs social proof before a better product.

Sponsored listings
86%
Prime listings
100%
Out of stock, average day
16.7%
Average rank
#3,459in Weight Loss
Average rating
4.43 starsAmazon United States average 4.42 stars
Average reviews
7,570per listing
Listings tracked
7

04 · Newcomers

1 of last year's 2 launches cleared the first-year sales bar.

2 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 49 months on average, so the names here are settling in.

Launched, last 12 months
2
Successful launches
1Amazon's first-year sales bar
Average brand age
49 months

Products

Top Slin products & what they sell for

The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.

Prices and ratings read from Amazon on Jul 10, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 93% of clicks. A locked shelf that new listings rarely crack.

$0$22K$44K$67K$89K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

6 rising

Sellers

19

Est. top-5 brand share

96%

Top 20: 100%

Est. top-5 click share

93%

Top 20: 100%

Open market

0%

  • Enhanced51%
  • Performax Labs16%
  • NuEthix Formulations15%
  • Peak Design10%
  • WATERFLY5%
  • INICAT4%

Demand

Slin search demand

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

18K13KSpike '24Black Friday '24Holiday '24Spike '25Prime Day '25Black Friday '25Holiday '25Spike '26DecMarJunAugNovMarMay

Peak months: Nov · busiest ÷ quietest = 2.4×

Search terms

Top Slin search terms shoppers use

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

  • slin351K/yr
  • slin pills11K/yr
  • slin pills for men5K/yr

Reviews and returns

What reviews say buyers love and hate about Slin

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

25%of positive reviews mention “Blood Sugar Level”
20%of negative reviews mention “Functionality-Overall”
2.3%of orders come back
“works not for every day”
A buyer, on “Functionality-Overall”20% 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.

20 topics

NegativePositive

FAQ

Common Slin questions

Answered from the same tracked data.

Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data