Glucomannan
MaybeAn estimated 0.1% of orders come back. But prices span $5.46–$17.26, mostly outside the sweet spot, so Glucomannan is a Maybe.
- Flapen Score
- 58 / 100Top 13% of 2,035 Health & Personal Care niches · +10 vs the category median of 4858
- Market size
- £139K/yr173K searches / yr
- 90-day growth
- +79.6%search demand this quarter
- Competition
- 75%top-5 click share · 14 brands · 19 sellers
Flapen Score
Glucomannan against its category
The dotted line is the Health & Personal Care average. Past it, Glucomannan is stronger. Inside it, weaker.
Market
The Glucomannan market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Glucomannan 173K times last year and spent an estimated £139K. The top 5 brands take 75% of clicks. Demand peaks in May–Jun. Flapen scores it 58 out of 100, a Maybe.
01 · Demand
An estimated 7.0% of those searches ended in a purchase.
Shoppers searched for this 173K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 7.0% of those searches ended in a purchase. Searches in the last 90 days moved +79.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated £139K a year.
- Searches, last 12 months
- 173K
- Growth, 90 days vs prior 90
- +79.6%
- Conversion, latest week
- 7.0%
- Market size, estimated
- £139Ka year
- Peak month
- May3.4× the quietest month
- Top search term
- glucomannan124K searches a year
02 · Price
A sale here is worth £11.46.
Listings sell for £11.46 on average, from £5.46 to £17.26. Amazon reports units sold in ranges. This niche sold 13K to 15K a year. The average listing sells 1,000 to 1,250 of them. At £11.46 that is £11K to £14K a year per listing.
- Average price
- £11.46under the $15 to $100 sweet spot
- Price range
- £5.46–£17.26
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 13K–15K
- Units per listing a year
- 1,000–1,250
- Revenue per listing a year
- £11K–£14K
- Returns
- 0.1%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is low.
73% of listings pay for placement with sponsored ads. 93% ship with Prime. On an average day, 11.8% of listings are out of stock. The average listing ranks #235 within Diet & Nutrition. It carries 1,058 reviews at 4.11 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 73%
- Prime listings
- 93%
- Out of stock, average day
- 11.8%
- Average rank
- #235in Diet & Nutrition
- Average rating
- 4.11 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 1,058per listing
- Listings tracked
- 15
04 · Newcomers
1 of last year's 1 launches cleared the first-year sales bar.
1 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 51 months on average, so the names here are settling in.
- Launched, last 12 months
- 1
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 51 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 24, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Lindens Glucomannan (Konjac Fibre) Capsules - 3 000mg Per Serving - 90 Pack - Weight Loss Aid - Contributes Towards The Reduction of Appetite - Weight Loss Supplement - Letterbox Friendly
- Price
- £7.08
- Rating
- 4.0/5
- Reviews
- 855
- Age
- 11y ago

Bandini Glucomannan from the konjac Root 4200 mg per Daily dose 240 Capsules Optimized with Bacterial Cultures Chromium Vitamin B3 and Inulin High-Strength Supplement Vegan
- Price
- £14.95
- Rating
- 3.7/5
- Reviews
- 502
- Age
- 1y ago

Glucomannan Capsules from Konjac Root - 180 Glucomannan Powder Capsules - With Choline Chromium Vitamin D3 & Vitamin B3 - Non-GMO Gluten-Free & Vegetarian-Friendly - 1 Month Supply - Made in the UK
- Price
- £12.31
- Rating
- 4.0/5
- Reviews
- 1,437
- Age
- 5y ago

Numan Glucomannan for Weight Loss Support Feel Full & Reduce Appetite Glucomannan Capsules 1000mg per Serving | Natural Fibre from Konjac Root Vegan-Friendly | 180 Capsules | Made in The UK
- Price
- £15.03
- Rating
- 3.4/5
- Reviews
- 31
- Age
- 3y ago

Glucomannan Capsules 4000mg | Konjac Root | Glucomannan Complex with Chromium | Vegan & Vegetarian Friendly | 120 Count | By Horbaach
- Price
- £8.41
- Rating
- 3.9/5
- Reviews
- 29
- Age
- 6mo ago
Trending
estimated 90-day click momentum
Numan Glucomannan for Weight Loss Support Feel Full & Reduce Appetite Glucomannan Capsules 1000mg per Serving | Natural Fibre from Konjac Root Vegan-Friendly | 180 Capsules | Made in The UK
- Price
- £15.03
- Rating
- 3.4/5
- Reviews
- 31
- Age
- 3y ago

Glucomannan Capsules 4000mg | Konjac Root | Glucomannan Complex with Chromium | Vegan & Vegetarian Friendly | 120 Count | By Horbaach
- Price
- £8.41
- Rating
- 3.9/5
- Reviews
- 29
- Age
- 6mo ago

Nutrics Glucomannan Konjac Root Extract 21 000mg per Capsule 30:1 Extract 95% Glucomannan Standardised 90 V Capsules 100% Pure No Fillers Binders or Bulking Agents
- Price
- £8.40
- Rating
- 4.5/5
- Reviews
- 8
- Age
- 1y ago

Glucomannan Fibre 3000mg Capsules | Supports Weight Loss on an Energy-Restricted Diet | 120 Capsules | Manufactured in The UK in Accordance with GMP Standards
- Price
- £12.44
- Rating
- 4.2/5
- Reviews
- 3
- Age
- 1y ago

Glucomannan 4200 mg per Daily Dose with Vitamin B3 and Chromium Konjac Root Fibre for Weight Control 180 Vegan Capsules Zenement
- Price
- £14.08
- Rating
- 4.0/5
- Reviews
- 1,687
- Age
- 5y ago
Newest
by launch date
Glucomannan Capsules 4000mg | Konjac Root | Glucomannan Complex with Chromium | Vegan & Vegetarian Friendly | 120 Count | By Horbaach
- Price
- £8.41
- Rating
- 3.9/5
- Reviews
- 29
- Age
- 6mo ago

Glucosamine and Chondroitin High Strength 7-in-1 with MSM Collagen Vitamin C Citrus & Ginger Joint Care Supplements for Men & Women - 180 Tablets
- Price
- £8.03
- Rating
- 4.5/5
- Reviews
- 686
- Age
- 1y ago

Nutrics Glucomannan Konjac Root Extract 21 000mg per Capsule 30:1 Extract 95% Glucomannan Standardised 90 V Capsules 100% Pure No Fillers Binders or Bulking Agents
- Price
- £8.40
- Rating
- 4.5/5
- Reviews
- 8
- Age
- 1y ago

Glucomannan Fibre 3000mg Capsules | Supports Weight Loss on an Energy-Restricted Diet | 120 Capsules | Manufactured in The UK in Accordance with GMP Standards
- Price
- £12.44
- Rating
- 4.2/5
- Reviews
- 3
- Age
- 1y ago

Bandini Glucomannan from the konjac Root 4200 mg per Daily dose 240 Capsules Optimized with Bacterial Cultures Chromium Vitamin B3 and Inulin High-Strength Supplement Vegan
- Price
- £14.95
- Rating
- 3.7/5
- Reviews
- 502
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 75% of clicks. A locked shelf that new listings rarely crack.
Brands
14 rising
Sellers
19
Est. top-5 brand share
75%
Top 20: 100%
Est. top-5 click share
75%
Top 20: 100%
Open market
19%
- Lindens25%
- BANDINI16%
- WeightWorld13%
- NUMAN11%
- Horbäach11%
- Bulk6%
Demand
Glucomannan search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: May, Jun · busiest ÷ quietest = 3.4×
Search terms
Top Glucomannan search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- glucomannan124K/yr
- glucomannan weight loss29K/yr
- glucomannan capsules11K/yr
- glucomannan complex5K/yr
- glucomannan fibre4K/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.
“Ineffective”
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
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









