---
title: "Glucomannan Powder — $105K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/glucomannan-powder"
last_updated: "2026-08-09T16:52:34.414Z"
locale: en
meta:
description: "Niche score 48/100 · $105K/yr market · 91K searches/yr · $20.38 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 48/100 · $105K/yr market · 91K searches/yr · $20.38 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Glucomannan Powder — $105K/yr Amazon US Niche (2026) - Flapen"
---
# **glucomannan powder**
**Skip it**
A concentrated shelf (top 5 take 84% of clicks) — this niche doesn't clear our bar today.
Market size 26Growth 22Conversion 64Competition 14Returns 100Price range 90Avg price 88Brand share 21Review moat 57Quality gap 84
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Price range**
**Great****$14.04–$29.78**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Great****$20.38**
avg listing price — sweet spot $15–$100
**Quality gap**
**Great****4.2★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Good****5.6%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Good****1,233.55**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Okay****$105K**
$105K/yr · 91K searches
**Growth**
**Bad****-5.8%**
90-day search growth — must beat 0% to launch
**Brand share**
**Bad****91%**
top-5 brand share — brand-locked demand
**Competition**
**Bad****84%**
top-5 click share — a locked-up shelf
According to Flapen's Amazon United States niche tracking, glucomannan powder is a $105K/yr Amazon United States market (91K searches/yr). The top 5 brands hold 91% of demand. Verdict: Skip it — 48/100.
Data updated Jul 10, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **glucomannan powder market data**
- **Units sold / yr**
- **6K–8K**
- avg 500–750/product
- **Revenue / yr**
- **$122K–$163K**
- units × avg price
- **Conversion rate**
- **5.6%**
- **Avg BSR**
- **#530**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **73%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **63 months**
- **Avg seller age**
- **168 days**
## **Competition & brand share**
The top 5 products capture 84% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**8 **▼falling
**Sellers**
**17**
**Top-5 brand share**
**91%**
Top 20: 100%
**Top-5 click share**
**84%**
Top 20: 100%
**Open market**
**3%**
- NOW Foods26% - Nutricost25% - PURE ORIGINAL INGREDIENTS16% - BulkSupplements15% - Best Naturals9% - Modernist Pantry6% - Open — no brand owns it (2 brands, 3%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -5.8% search growth over the last 90 days.
3K2KSpike '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/us/health-household/glucomannan-powder/trend)
## **Top glucomannan powder search terms**
- **glucomannan powder**42K/yr-11.5%8.6% conv. - **konjac powder**36K/yr-9.0%4.0% conv. - **konjac jelly powder**8K/yr+34.6%1.0% conv. - **konjac root powder**5K/yr+6.2%5.5% conv. [**All search terms **](https://flapen.com/research/us/health-household/glucomannan-powder/search-terms)
## **Top glucomannan powder products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%10%$10K20%$21K30%$31K40%$42K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 11 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**NOW Foods Supplements Glucomannan (Amorphophallus konjac) Pure Powder Supports Regularity* Healthy Weight Management* 8 Ounce (Pack of 1)**NOW Foods**$14.04**4.3★4,985 rev](https://www.amazon.com/dp/B005F9W9JQ) [2**Nutricost Glucomannan Powder 500 Grams**Nutricost**$24.91**4.2★1,178 rev](https://www.amazon.com/dp/B01EGTY358) [3**Konjac Gum Powder (8 oz) Glucomannan Konjac Powder Cornstarch Substitute Thickener**PURE ORIGINAL INGREDIENTS**$15.07**4.2★187 rev](https://www.amazon.com/dp/B094KTHGG4) [4**BulkSupplements.com Glucomannan Powder - from Konjac Root Extract Fiber Supplement - Gluten Free 2g per Serving 100g (3.5 oz) (Pack of 1)**BulkSupplements**$16.45**4.3★608 rev](https://www.amazon.com/dp/B075GX1GRL) [5**Best Naturals 2 Pack Konjac Glucomannan Root 1 Pound - 2000 mg per Serving - (Total 2 Pound)**Best Naturals**$29.06**4.1★250 rev](https://www.amazon.com/dp/B09SGT8V6D)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**BAILINHOU konjac tofu powder Pure konjac flour speciflcally formulated for cooking konjac tofu 17.63oz/500g Primary Glucomannan powder**BAILINHOU**$29.78**21 rev3y ago](https://www.amazon.com/dp/B0C46VNRVT) [**Best Naturals 2 Pack Konjac Glucomannan Root 1 Pound - 2000 mg per Serving - (Total 2 Pound)**Best Naturals**$29.06**250 rev4y ago](https://www.amazon.com/dp/B09SGT8V6D) [**Konjac Gum Powder (8 oz) Glucomannan Konjac Powder Cornstarch Substitute Thickener**PURE ORIGINAL INGREDIENTS**$15.07**187 rev5y ago](https://www.amazon.com/dp/B094KTHGG4) [**Konjac Gum (1 lb) Glucomannan Konjac Powder Cornstarch Substitute Thickener**PURE ORIGINAL INGREDIENTS**$25.66**187 rev5y ago](https://www.amazon.com/dp/B094L1YXK8) [**Jim Willie Konnyaku Jelly Powder 10g (3 Packs)**Jim Willie**$14.44**49 rev8y ago](https://www.amazon.com/dp/B07F3P4BXV)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**BulkSupplements.com Glucomannan Powder - from Konjac Root Extract Fiber Supplement - Gluten Free 2g per Serving 100g (3.5 oz) (Pack of 1)**BulkSupplements**$16.45**4.3★**▲ 30%**](https://www.amazon.com/dp/B075GX1GRL) [**Nutricost Glucomannan 1 800mg Per Serving 180 Capsules - Natural Fiber Source Non-GMO Gluten Free**Nutricost**$16.82**4.1★**▲ 25%**](https://www.amazon.com/dp/B01HQZB4K6) [**Nutricost Glucomannan Powder 500 Grams**Nutricost**$24.91**4.2★**▲ 24%**](https://www.amazon.com/dp/B01EGTY358) [![Pure Konjac Gum [Glucomannan Powder] Non-GMO Gluten-Free Vegan OU Kosher Certified - 50g/2oz](https://m.media-amazon.com/images/I/41TgxlhcwSL.jpg)**Pure Konjac Gum \[Glucomannan Powder\] Non-GMO Gluten-Free Vegan OU Kosher Certified - 50g/2oz**Modernist Pantry**$14.84**4.4★**▲ 18%**](https://www.amazon.com/dp/B074B6BCHM) [**Jim Willie Konnyaku Jelly Powder 10g (3 Packs)**Jim Willie**$14.44**4.0★**— 9%**](https://www.amazon.com/dp/B07F3P4BXV)
**~~View all trending →~~**
## **What buyers say about glucomannan powder**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Nutritional Content**17%
*“Awesome, healthy and perfect in every way”*
**Quality-Overall**13%
*“The quality is consistent”*
**Weight Loss**10%
*“Great for weight loss”*
**Regulates Digestion**9%
*“it helps a lot with constipation”*
**Thickness**6%
*“This is the perfect thickener”*
**Solubility**4%
*“found it dissolves best using an immersion blender”*
**Strength**4%
*“Super strong”*
**Caffeine Content**4%
*“add to my coffee every day”*
**Ease Of Chewing/Swallowing**3%
*“Easy on the stomach”*
**Value For Money**3%
*“Great priced seems like good quality”*
### **What buyers complain about **
**Value For Money**14%
*“is expensive”*
**Solubility**10%
*“I thought about my coffee and over the couple of years I've been adding this powder, sometimes it made a pudding at the bottom of my cup and others, it seemed to dissolve completely”*
**Nutritional Content**7%
*“less effect in beefing up the amount of stool or the smooth operation of colon. does not help periodicity”*
**Taste-Overall**7%
*“which makes me doubt the freshness”*
**Quality-Overall**5%
*“Garbage product”*
**Acid Regulator/Stomach Ache Relief**5%
*“It made me sick to my stomach”*
**Functionality-Overall**5%
*“Does Not Work”*
**Size-Overall**3%
*“The pills are enormous much larger than standard supplements”*
**Advertised Vs Actual Product**3%
*“See picture. Labeling misleading”*
**Material Quality**3%
*“Must be made of plastic”*
### **Top return reasons **
**Acid Regulator/Stomach Ache Relief**100%
## **Common questions**
- **Is glucomannan powder profitable to sell on Amazon United States?**
- The niche generates $105K/yr across 11 tracked products. 90-day search growth is -5.8%. Flapen's verdict: Skip it (48/100).
- **How competitive is the glucomannan powder niche?**
- 8 brands and 17 sellers compete. The top 5 products take 84% of clicks and top 5 brands hold 91% of demand.
- **What do buyers complain about in glucomannan powder?**
- Top complaints mined from reviews: Value For Money, Solubility, Nutritional Content. The return rate is 0.0%.
- **When does demand for glucomannan powder peak?**
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- **What does it cost to enter the glucomannan powder niche?**
- Listings span $14.04–$29.78; the average listing price is $20.38 (sweet spot $15–$100). The average incumbent carries 1,234 reviews — the moat a new listing must climb.
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