Glucomannan
MaybeAn estimated 0.0% of orders come back. But the top 5 products take 81% of clicks, so Glucomannan is a Maybe.
- Flapen Score
- 54 / 100Top 28% of 14,768 Health & Household niches · +5 vs the category median of 4954
- 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.
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.
Top sellers
by estimated 90-day click share
Nutricost Glucomannan 1 800mg Per Serving 180 Capsules - Natural Fiber Source Non-GMO Gluten Free
- Price
- $16.82
- Rating
- 4.1/5
- Reviews
- 4,976
- Age
- 10y ago

NOW Foods Supplements Glucomannan (Amorphophallus konjac) 575 mg Supports Regularity* Healthy Weight Management* 180 Veg Capsules
- Price
- $14.63
- Rating
- 4.2/5
- Reviews
- 3,871
- Age
- 24y ago

NOW Foods Supplements Glucomannan (Amorphophallus konjac) Pure Powder Supports Regularity* Healthy Weight Management* 8 Ounce (Pack of 1)
- Price
- $14.04
- Rating
- 4.3/5
- Reviews
- 4,985
- Age
- 14y ago

BulkSupplements.com Glucomannan Capsules - as Konjac Root Extract Glucomannan Supplements Herbal Supplement - Gluten Free 4 Capsules per Serving 240 Count (Pack of 1)
- Price
- $22.83
- Rating
- 4.4/5
- Reviews
- 171
- Age
- 3y ago

Natures Way Herbal Glucomannan from Konjac Root Capsules Promotes Feelings of Fullness* 1 995 mg per 3-Capsule Serving Non-GMO Project Verified Vegan 100 Capsules (Packaging May Vary)
- Price
- $12.03
- Rating
- 4.0/5
- Reviews
- 4,173
- Age
- 22y ago
Trending
estimated 90-day click momentum
BulkSupplements.com Glucomannan Capsules - as Konjac Root Extract Glucomannan Supplements Herbal Supplement - Gluten Free 4 Capsules per Serving 240 Count (Pack of 1)
- Price
- $22.83
- Rating
- 4.4/5
- Reviews
- 171
- Age
- 3y ago

Brieofood Konjac Root Glucomannan 2000 mg per Serving - 180 Vegetarian Capsules
- Price
- $9.92
- Rating
- 4.2/5
- Reviews
- 411
- Age
- 3y ago

Nutricost Glucomannan 1 800mg Per Serving 180 Capsules - Natural Fiber Source Non-GMO Gluten Free
- Price
- $16.82
- Rating
- 4.1/5
- Reviews
- 4,976
- Age
- 10y ago

Natures Way Herbal Glucomannan from Konjac Root Capsules Promotes Feelings of Fullness* 1 995 mg per 3-Capsule Serving Non-GMO Project Verified Vegan 100 Capsules (Packaging May Vary)
- Price
- $12.03
- Rating
- 4.0/5
- Reviews
- 4,173
- Age
- 22y ago

Nutricost Glucomannan Powder 500 Grams
- Price
- $24.91
- Rating
- 4.2/5
- Reviews
- 1,178
- Age
- 10y ago
Newest
by launch date
Clean Nutra Berberine and Ceylon Cinnamon Supplement Bitter Melon Glucomannan Gymnema Sylvestre Chromium Moringa Milk Thistle Turmeric Apple Cider Vinegar Digestive Enzymes Inositol Pills 90 Capsules
- Price
- $26.64
- Rating
- 4.4/5
- Reviews
- 337
- Age
- 1y ago

Type Zero Clean Glucomannan Konjac Root Extract (90 Capsules)(1 800 MG Per Serving) - 30 Servings Non-GMO Gluten Free
- Price
- $14.70
- Rating
- 4.0/5
- Reviews
- 64
- Age
- 2y ago

BulkSupplements.com Glucomannan Capsules - as Konjac Root Extract Glucomannan Supplements Herbal Supplement - Gluten Free 4 Capsules per Serving 240 Count (Pack of 1)
- Price
- $22.83
- Rating
- 4.4/5
- Reviews
- 171
- Age
- 3y ago

Brieofood Konjac Root Glucomannan 2000 mg per Serving - 180 Vegetarian Capsules
- Price
- $9.92
- Rating
- 4.2/5
- Reviews
- 411
- Age
- 3y ago

Best Naturals 2 Pack Konjac Glucomannan Root 2000 mg per Serving - 180 Vegetarian Capsules
- Price
- $21.30
- Rating
- 4.3/5
- Reviews
- 415
- Age
- 4y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 81% of clicks. A locked shelf that new listings rarely crack.
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.
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.
“Didn't work”
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
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
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









