Skip to content

Glucomannan

Maybe

An estimated 0.0% of orders come back. But the top 5 products take 81% of clicks, so Glucomannan is a Maybe.

Flapen Score
54
54 / 100
Top 28% of 14,768 Health & Household niches · +5 vs the category median of 49
Market size
$599K/yr426K searches / yr
90-day growth
-9.1%search demand this quarter
Competition
81%top-5 click share · 9 brands · 26 sellers

Flapen Score

Glucomannan against its category

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

54Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Glucomannan market on Amazon at a glance

Shoppers on Amazon United States searched for Glucomannan 426K times last year and spent an estimated $599K. The top 5 brands take 89% of clicks. Flapen scores it 54 out of 100, a Maybe.

01 · Demand

An estimated 8.1% of those searches ended in a purchase.

Shoppers searched for this 426K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 8.1% of those searches ended in a purchase. Searches in the last 90 days moved -9.1% against the 90 days before. Searches, conversion and average price together put the market at an estimated $599K a year.

Searches, last 12 months
426K
Growth, 90 days vs prior 90
-9.1%
Conversion, latest week
8.1%
Market size, estimated
$599Ka year
Peak month
March1.6× the quietest month
Top search term
glucomannan266K searches a year

02 · Price

A sale here is worth $17.31.

Listings sell for $17.31 on average, from $9.92 to $26.64. Amazon reports units sold in ranges. This niche sold 40K to 50K a year. The average listing sells 3,000 to 4,000 of them. At $17.31 that is $52K to $69K a year per listing.

Average price
$17.31inside the $15 to $100 sweet spot
Price range
$9.92–$26.64
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
40K–50K
Units per listing a year
3,000–4,000
Revenue per listing a year
$52K–$69K
Returns
0.0%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is reviews.

67% 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 #628 within Weight Loss. It carries 1,988 reviews at 4.21 stars, so a new listing needs social proof before a better product.

Sponsored listings
67%
Prime listings
100%
Out of stock, average day
0.0%
Average rank
#628in Weight Loss
Average rating
4.21 starsAmazon United States average 4.42 stars
Average reviews
1,988per listing
Listings tracked
12

04 · Newcomers

Brands here are established.

The brands on the shelf have sold for 64 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
64 months

Products

Top Glucomannan 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 81% of clicks. A locked shelf that new listings rarely crack.

$0$60K$120K$180K$240K101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

9 flat

Sellers

26

Est. top-5 brand share

89%

Top 20: 100%

Est. top-5 click share

81%

Top 20: 100%

Open market

7%

  • Nutricost35%
  • NOW Foods33%
  • BulkSupplements8%
  • Nature's Way7%
  • Brieofood5%
  • Best Naturals4%
  • Open — no brand owns it (3 brands, 7%)

Demand

Glucomannan search demand

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

13K8KSpike '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.6×

Search terms

Top Glucomannan search terms shoppers use

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

  • glucomannan266K/yr
  • glucomannan for weight loss51K/yr
  • glucomannan capsules35K/yr
  • glucomanano14K/yr
  • now glucomannan8K/yr
  • glucomanano para bajar de peso6K/yr
  • now foods glucomannan5K/yr
  • konjac glucomannan9K/yr
  • glucomannan supplements7K/yr
  • nutricost glucomannan capsules2K/yr

Reviews and returns

What reviews say buyers love and hate about Glucomannan

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

17%of positive reviews mention “Quality-Overall”
19%of negative reviews mention “Functionality-Overall”
<0.1%of orders come back, a rate Amazon rounds to zero
“Didn't work”
A buyer, on “Functionality-Overall”19% 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.

16 topics

NegativePositive

FAQ

Common Glucomannan 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