Is inulin capsules profitable to sell on Amazon United States?

The niche generates $51K/yr across 14 tracked products. 90-day search growth is -19.9%. Flapen's verdict: Skip it (46/100).

How competitive is the inulin capsules niche?

11 brands and 24 sellers compete. The top 5 products take 71% of clicks and top 5 brands hold 78% of demand.

What do buyers complain about in inulin capsules?

Top complaints mined from reviews: Side Effects, Taste-Overall, Inflation/Deflation. The return rate is 0.0%.

What does it cost to enter the inulin capsules niche?

Listings span $9.13–$27.79; the average listing price is $17.27 (sweet spot $15–$100). The average incumbent carries 1,505 reviews — the moat a new listing must climb.

Inulin Capsules

Skip it

A small market ($51K/yr) — this niche doesn't clear our bar today.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Conversion

Great9.1%

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

Avg price

Great$17.27

avg listing price — sweet spot $15–$100

Price range

Good$9.13–$27.79

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Review moat

Okay1,504.86

avg incumbent reviews — the moat a new listing must climb

Brand share

Okay78%

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

Competition

Bad71%

top-5 click share — a locked-up shelf

Growth

Bad-19.9%

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

Market size

Bad$51K

$51K/yr · 33K searches

Signals Low Review Barrier

Is inulin capsules profitable on Amazon?

According to Flapen's Amazon United States niche tracking, inulin capsules is a $51K/yr Amazon United States market (33K searches/yr). The top 5 brands hold 78% of demand. Verdict: Skip it — 46/100.

Data updated Jul 25, 2026 · scored weekly · How we score niches

inulin capsules 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: $43K–$52K; units × avg price
Conversion rate: 9.1%
Avg BSR: #1,410
Page quality: 0%
Prime: 100%
Sponsored: 71%
Out of stock: 17.6%
Avg brand age: 65 months
Avg seller age: 181 days

Competition: brands, sellers & click share

The top 5 products capture 71% of clicks — a locked-up shelf that new listings rarely crack.

Brands

11 falling

Sellers

Top-5 brand share

78%

Top 20: 100%

Top-5 click share

71%

Top 20: 100%

Open market

17%

Complete Natural Products30%
NOW Foods19%
Piping Rock12%
NusaPure9%
PURE ORIGINAL INGREDIENTS8%
Natural Flow Supplements5%
Open — no brand owns it (5 brands, 17%)

inulin capsules demand & seasonality

Weekly Amazon search volume, last 38 weeks — -19.9% search growth over the last 90 days.

Open Trend

Top inulin capsules search terms shoppers use

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

inulin capsules25K/yr -16.7%7.8% conv.
inulin prebiotic fiber capsules3K/yr -16.7%3.4% conv.
inulin fos capsules3K/yr -36.9%2.0% conv.
inulin and fos capsules2K/yr -39.0%0.5% conv.

All search terms

Top inulin capsules 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

Organic Inulin Capsules 520mg - Organic Inulin Powder Fiber from Jerusalem Artichoke Prebiotic Fiber Support for Gut Digestion Clean Plant Based Formula Vegan Non GMO 100 Capsules Made in USA

Complete Natural Products$13.904.4★342 rev

NOW Foods Supplements Inulin Prebiotic Pure Powder Certified Organic Non-GMO Project Verified Intestinal Support* 1-Pound

NOW Foods$15.924.6★5,567 rev

Piping Rock Organic Inulin Capsules 1000 mg | 100 Count

Piping Rock$9.454.3★84 rev

NusaPure Organic Inulin Capsules 300 mg 200 Veg Capsules (Non-GMO Vegan USDA)

NusaPure$14.604.6★65 rev

PURE ORIGINAL INGREDIENTS Inulin (365 Capsules) No Magnesium Or Rice Fillers Always Pure Lab Verified

PURE ORIGINAL INGREDIENTS$23.544.4★165 rev

Newest

by launch date

Wild & Organic Inulin Prebiotic Fiber Capsules 1400 mg - Digestive & Gut Support - Chicory Root Inulin Powder Supplement - Vegan No Fillers Non-GMO - 60 Count

Wild & Organic$20.2543 rev

1y ago

Wild & Organic Inulin Capsules 1400 mg - Digestive & Gut Support - Inulin Prebiotic Fiber Powder Supplement - Chicory Root Derived - Vegan No Fillers Non-GMO - 120 Count

Wild & Organic$27.7943 rev

1y ago

NusaPure Organic Inulin Capsules 300 mg 200 Veg Capsules (Non-GMO Vegan USDA)

NusaPure$14.6065 rev

2y ago

Horbach Prebiotic for Men and Women | 120 Powder Pills

Horbäach$9.98562 rev

2y ago

Prebiotic Fiber Supplement 5-in-1 Capsules - Natural Flow 5X Fiber XOS GOS FOS Acacia and Agave Inulin Daily Soluble Fiber Formula for Gut Support and Boost Good Bacteria Diversity 120 Caps

Natural Flow Supplements$26.20500 rev

3y ago

What reviews say buyers love and hate about inulin capsules

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

What buyers love

Efficiency14%

“Has been helping my G. I. system feel better”

Regulates Digestion10%

“Works to reduce bloating”

Nutritional Content9%

“probiotic works better for me than taking just a probiotic”

Quality-Overall9%

“A great product”

Value For Money7%

“Good price”

Ease Of Use5%

“Totally convenient”

Taste-Overall5%

“Me gusto”

Weight Loss5%

“seems to help me with my diet”

Advertised Vs Actual Product4%

“Works as advertised”

Vegan/Organic3%

“For organic inulin”

What buyers complain about

Side Effects8%

“probiotic is making me sick”

Taste-Overall8%

“No taste”

Inflation/Deflation6%

“Bloated much”

Dosage6%

“those with historic purchases will or should be aware if youve accustomed yourself to taking one capsule the recommended doses now two capsules”

Advertised Vs Actual Product6%

“To say this doesn't cause farts would be a false”

Functionality-Overall6%

“Doesnt work as good as the Now brand”

Size-Overall6%

“My only problem is that they are the large capsules”

Value For Money4%

“$23 down the drain :”

Leak-Proof3%

“Powder spilling out of capsules”

Texture/Consistency-Overall3%

“There is no consistency whatsoever”

Top return reasons

Flammable100%

Common inulin capsules questions

Is inulin capsules profitable to sell on Amazon United States?: The niche generates $51K/yr across 14 tracked products. 90-day search growth is -19.9%. Flapen's verdict: Skip it (46/100).
How competitive is the inulin capsules niche?: 11 brands and 24 sellers compete. The top 5 products take 71% of clicks and top 5 brands hold 78% of demand.
What do buyers complain about in inulin capsules?: Top complaints mined from reviews: Side Effects, Taste-Overall, Inflation/Deflation. The return rate is 0.0%.
What does it cost to enter the inulin capsules niche?: Listings span $9.13–$27.79; the average listing price is $17.27 (sweet spot $15–$100). The average incumbent carries 1,505 reviews — the moat a new listing must climb.