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Join

Maybe

An estimated 0.0% of orders come back. But the top 5 brands take 98% of clicks, so Join is a Maybe.

Flapen Score
50
50 / 100
Top 44% of 14,768 Health & Household niches · +1 vs the category median of 49
Market size
$366K/yr145K searches / yr
90-day growth
+15.2%search demand this quarter
Competition
64%top-5 click share · 6 brands · 137 sellers

Flapen Score

Join against its category

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

50Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Join market on Amazon at a glance

Shoppers on Amazon United States searched for Join 145K times last year and spent an estimated $366K. The top 5 brands take 98% of clicks. Flapen scores it 50 out of 100, a Maybe.

01 · Demand

An estimated 6.3% of those searches ended in a purchase.

Shoppers searched for this 145K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 6.3% of those searches ended in a purchase. Searches in the last 90 days moved +15.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated $366K a year.

Searches, last 12 months
145K
Growth, 90 days vs prior 90
+15.2%
Conversion, latest week
6.3%
Market size, estimated
$366Ka year
Top search term
schiff glucosamine 2000mg23K searches a year

02 · Price

A sale here is worth $39.85.

Listings sell for $39.85 on average, from $12.09 to $107.86. Amazon reports units sold in ranges. This niche sold 13K to 15K a year. The average listing sells 750 to 1,000 of them. At $39.85 that is $30K to $40K a year per listing.

Average price
$39.85inside the $15 to $100 sweet spot
Price range
$12.09–$107.86
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
13K–15K
Units per listing a year
750–1,000
Revenue per listing a year
$30K–$40K
Returns
0.0%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is reviews.

12% of listings pay for placement with sponsored ads. 53% ship with Prime. On an average day, 16.4% of listings are out of stock. The average listing ranks #502 within Chondroitin & Glucosamine. It carries 3,458 reviews at 4.69 stars, so a new listing needs social proof before a better product.

Sponsored listings
12%
Prime listings
53%
Out of stock, average day
16.4%
Average rank
#502in Chondroitin & Glucosamine
Average rating
4.69 starsAmazon United States average 4.42 stars
Average reviews
3,458per listing
Listings tracked
17

04 · Newcomers

Brands here are established.

The brands on the shelf have sold for 87 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
87 months

Products

Top Join 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 64% of clicks. Leaders hold, but buyers still shop past them.

Brands

6 flat

Sellers

137

Top-5 brand share

98%

Top 20: 100%

Top-5 click share

64%

Top 20: 100%

Open market

0%

  • Brand 158%
  • Brand 226%
  • Brand 36%
  • Brand 44%
  • Brand 54%
  • Brand 62%

Demand

Join search demand

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

3K2KSpike '26NovDecJanFebMarAprMayJunJul

No pronounced peak months · busiest ÷ quietest = 1.7× · 9 of 12 months tracked

Search terms

Top Join search terms shoppers use

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

  • schiff glucosamine 2000mg23K/yr
  • kirkland glucosamine chondroitin25K/yr
  • join17K/yr
  • schiff glucosamine12K/yr
  • joint inflammation supplement6K/yr
  • kirkland glucosamine8K/yr
  • glucosamine hcl9K/yr
  • glucosamine chondroitin kirkland7K/yr
  • schiff7K/yr
  • kirkland glucosamine 1500 chondroitin 12007K/yr

Reviews and returns

What reviews say buyers love and hate about Join

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

29%of positive reviews mention “Joint Pain”
10%of negative reviews mention “Pain Relief-Overall”
<0.1%of orders come back, a rate Amazon rounds to zero
“I started feeling ankle pain”
A buyer, on “Pain Relief-Overall”10% 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.

18 topics

NegativePositive

FAQ

Common Join questions

Answered from the same tracked data.