Is konjac root profitable to sell on Amazon United States?

The niche generates $45K/yr across 14 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -5.8%. Flapen's verdict: Skip it (48/100).

How competitive is the konjac root niche?

10 brands and 29 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 88% of demand.

What do buyers complain about in konjac root?

Top complaints mined from reviews: Functionality-Overall, Value For Money, Nutritional Content. The return rate is 0.0%.

When does demand for konjac root peak?

Demand is steady year-round — the busiest month runs 1.8× the quietest.

What does it cost to enter the konjac root niche?

Listings span $8.70–$29.06; the average listing price is $16.74 (sweet spot $15–$100). The average incumbent carries 1,606 reviews — the moat a new listing must climb.

Konjac Root

Skip it

A small market ($45K/yr) — this niche doesn't clear our bar today.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Quality gap

Great4.1★

avg incumbent rating — lower means beatable quality

Conversion

Great8.4%

search→purchase rate — share of searches ending in a sale

Avg price

Great$16.74

avg listing price — sweet spot $15–$100

Price range

Good$8.70–$29.06

cheapest to priciest tracked listing — scored on the share inside $15–$100

Review moat

Okay1,605.64

avg incumbent reviews — the moat a new listing must climb

Brand share

Okay88%

top-5 brand share — brands hold most of the demand

Growth

Bad-5.8%

90-day search growth — must beat 0% to launch

Competition

Bad75%

top-5 click share — a locked-up shelf

Market size

Bad$45K

$45K/yr · 32K searches

Is konjac root profitable on Amazon?

According to Flapen's Amazon United States niche tracking, konjac root is a $45K/yr Amazon United States market (32K searches/yr). The top 5 brands hold 88% of demand. Verdict: Skip it — 48/100.

Data updated Jul 10, 2026 · scored weekly · How we score niches

konjac root market size & sales

Units sold, revenue, conversion and listing quality across the tracked shelf.

Units sold / yr: 3K–3K; avg 100–250/product
Revenue / yr: $42K–$50K; units × avg price
Conversion rate: 8.4%
Avg BSR: #1,790
Page quality: 0%
Prime: 100%
Sponsored: 79%
Out of stock: 0.0%
Avg brand age: 66 months
Avg seller age: 167 days

Competition: brands, sellers & click share

The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.

Brands

10 falling

Sellers

Top-5 brand share

88%

Top 20: 100%

Top-5 click share

75%

Top 20: 100%

Open market

Best Naturals40%
Brieofood19%
NOW Foods17%
BulkSupplements7%
Nutricost6%
Type Zero4%
Open — no brand owns it (4 brands, 8%)

konjac root demand & seasonality

Weekly Amazon search volume, last 71 weeks — -5.8% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.8×

Open Trend

Top konjac root search terms shoppers use

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

konjac root22K/yr -6.9%7.8% conv.
konjac root capsules6K/yr +2.0%11.7% conv.
konjac fiber3K/yr -14.2%3.7% conv.
fiber pgx konjac fiber or glucomannan492/yr +17.1%0.0% conv.
konjac fiber or glucomannan278/yr -17.6%0.0% conv.
pgx konjac fiber or glucomannan109/yr -35.7%0.0% conv.

All search terms

Top konjac root products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 14 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Best Naturals Konjac Root 2000mg 180 Count

Best Naturals$12.874.2★2,466 rev

Brieofood Konjac Root Glucomannan 2000 mg per Serving - 180 Vegetarian Capsules

Brieofood$9.924.2★411 rev

Best Naturals 2 Pack Konjac Glucomannan Root 2000 mg per Serving - 180 Vegetarian Capsules

Best Naturals$21.304.3★415 rev

NOW Foods Supplements Glucomannan (Amorphophallus konjac) Pure Powder Supports Regularity* Healthy Weight Management* 8 Ounce (Pack of 1)

NOW Foods$14.044.3★4,985 rev

NOW Foods Supplements Glucomannan (Amorphophallus konjac) 575 mg Supports Regularity* Healthy Weight Management* 180 Veg Capsules

NOW Foods$14.634.2★3,871 rev

Newest

by launch date

Oxify Konjac Root Glucomannan 2000 mg | 180 Vegetarian Capsules | Gluten-Free Non-GMO | Supplement Made in USA

Oxify$14.0418 rev

10mo ago

Amazing Nutrition$8.7028 rev

1y ago

Ancient Nutrition Organic Fiber Powder Raspberry Lemonade Soluble Fiber from Acacia & Konjac Root Supports Digestive Health Reduces Bloating 6.5 oz

Ancient Nutrition$26.9343 rev

2y ago

Type Zero Clean Glucomannan Konjac Root Extract (90 Capsules)(1 800 MG Per Serving) - 30 Servings Non-GMO Gluten Free

Type Zero$14.7064 rev

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)

BulkSupplements$22.83171 rev

3y ago

What reviews say buyers love and hate about konjac root

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall14%

“The quality is consistent”

Nutritional Content12%

“Good supplement”

Weight Loss12%

“Great for weight loss”

Regulates Digestion8%

“Did help digestion”

Value For Money6%

“Worth every penny”

Efficiency5%

“Effective”

Advertised Vs Actual Product4%

“Works as advertised”

Acid Regulator/Stomach Ache Relief4%

“my stomach noise goes away”

Strength3%

“Super strong”

Ease Of Chewing/Swallowing3%

“Easy on the stomach”

What buyers complain about

Functionality-Overall17%

“Didn't work”

Value For Money7%

“is expensive”

Nutritional Content7%

“Not really helping with the fiber not sure why”

Quality-Overall6%

“Garbage product”

Acid Regulator/Stomach Ache Relief5%

“just made my stomach hurt”

Regulates Digestion5%

“caused digestion problems even though I made sure to drink plenty of water”

Weight Loss4%

“It didnt fill me up or help with my appetite at all”

Allergies3%

“Cheek, tongue, and throat irritation”

Dosage3%

“I tried to take one pill and 2 pill and i still feel hungry 8”

Side Effects2%

“just made my stomach hurt”

Top return reasons

Acid Regulator/Stomach Ache Relief40%

Joint Pain20%

Functionality-Overall20%

Smell20%

Common konjac root questions

Is konjac root profitable to sell on Amazon United States?: The niche generates $45K/yr across 14 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -5.8%. Flapen's verdict: Skip it (48/100).
How competitive is the konjac root niche?: 10 brands and 29 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 88% of demand.
What do buyers complain about in konjac root?: Top complaints mined from reviews: Functionality-Overall, Value For Money, Nutritional Content. The return rate is 0.0%.
When does demand for konjac root peak?: Demand is steady year-round — the busiest month runs 1.8× the quietest.
What does it cost to enter the konjac root niche?: Listings span $8.70–$29.06; the average listing price is $16.74 (sweet spot $15–$100). The average incumbent carries 1,606 reviews — the moat a new listing must climb.