---
title: "glucomannan powder — Niche Verdict: Skip it (48/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/health-household/glucomannan-powder"
last_updated: "2026-07-13T22:15:21.019Z"
locale: en
meta:
  description: "a concentrated shelf (top 5 take 84% of clicks) — glucomannan powder doesn't clear our bar today."
  "og:description": "a concentrated shelf (top 5 take 84% of clicks) — glucomannan powder doesn't clear our bar today."
  "og:title": "glucomannan powder — Niche Verdict: Skip it (48/100) | Amazon United States - Flapen"
---

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# **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 6% 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

## **Competition**

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%**

**Open market**

**3%**

- NOW Foods26% - Nutricost25% - PURE ORIGINAL INGREDIENTS16% - BulkSupplements15% - Best Naturals9% - Modernist Pantry6% - Open — no brand owns it (2 brands, 3%)

## **Product shelf**

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)](https://m.media-amazon.com/images/I/41XbMwZE0YL.jpg)**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](https://m.media-amazon.com/images/I/417JqGC8avL.jpg)**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](https://m.media-amazon.com/images/I/31tYy6NqpPL.jpg)**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)](https://m.media-amazon.com/images/I/41kAh8G65cL.jpg)**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)](https://m.media-amazon.com/images/I/51IRWM0wlBL.jpg)**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](https://m.media-amazon.com/images/I/411Zl-9USyL.jpg)**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)](https://m.media-amazon.com/images/I/51IRWM0wlBL.jpg)**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](https://m.media-amazon.com/images/I/31tYy6NqpPL.jpg)**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](https://m.media-amazon.com/images/I/31eM+WMsGHL.jpg)**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)](https://m.media-amazon.com/images/I/41uhNrMgZwL.jpg)**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)](https://m.media-amazon.com/images/I/41kAh8G65cL.jpg)**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](https://m.media-amazon.com/images/I/41JaxdUhJZL.jpg)**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](https://m.media-amazon.com/images/I/417JqGC8avL.jpg)**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)](https://m.media-amazon.com/images/I/41uhNrMgZwL.jpg)**Jim Willie Konnyaku Jelly Powder 10g (3 Packs)**Jim Willie**$14.44**4.0★**— 9%**](https://www.amazon.com/dp/B07F3P4BXV)

**~~View all trending →~~**

## **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×

## **Reviews**

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%