Is prebiotic fiber profitable to sell on Amazon United States?

The niche generates $30K/yr across 22 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is +8.5%. Flapen's verdict: Worth a look (51/100).

How competitive is the prebiotic fiber niche?

17 brands and 614 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 63% of demand.

What do buyers complain about in prebiotic fiber?

Top complaints mined from reviews: Taste-Overall, Functionality-Overall, Solubility. The return rate is 0.0%.

When does demand for prebiotic fiber peak?

Demand peaks in Jun–Sep; the busiest month runs 7.0× the quietest.

What does it cost to enter the prebiotic fiber niche?

Listings span $8.39–$43.46; the average listing price is $23.60 (sweet spot $15–$100). The average incumbent carries 3,886 reviews — the moat a new listing must climb.

prebiotic fiber

Worth a look

Shows low returns (0.0%), but a small market ($30K/yr) keeps it on the watch list.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Incredible$23.60

avg listing price — sweet spot $15–$100

Price range

Great$8.39–$43.46

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

Brand share

Good63%

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

Conversion

Okay4.0%

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

Competition

Good55%

top-5 click share — leaders hold, buyers still browse

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Growth

Okay+8.5%

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

Review moat

Okay3,886.14

avg incumbent reviews — the moat a new listing must climb

Market size

Bad$30K

$30K/yr · 32K searches

Signals No Dominant Brand

According to Flapen's Amazon United States niche tracking, prebiotic fiber is a $30K/yr Amazon United States market (32K searches/yr). The top 5 brands hold 63% of demand. Demand peaks in Jun–Sep. Verdict: Worth a look — 51/100.

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

prebiotic fiber market data

Units sold / yr: 2K–2K; avg 0–100/product
Revenue / yr: $35K–$47K; units × avg price
Conversion rate: 4.0%
Avg BSR: #120
Page quality: 0%
Prime: 100%
Sponsored: 91%
Out of stock: 0.3%
Avg brand age: 62 months
Avg seller age: 160 days

Competition & brand share

The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.

Brands

17 falling

Sellers

614

Top-5 brand share

63%

Top 20: 100%

Top-5 click share

55%

Top 20: 98%

Open market

28%

GOBIOTIX19%
Benefiber15%
Micro Ingredients10%
Hyperbiotics10%
NOW Foods10%
Nutricost9%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +8.5% search growth over the last 90 days.

Peak months: Jun, Sep · busiest ÷ quietest = 7.0×

Open Trend

Top prebiotic fiber 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.

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

All 22 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

GOBIOTIX Fiber Supplement Powder with Prebiotics for Digestive Health and GLP-1 Support Soluble Fiber for Gut Health & Debloat Keto Vegan Gluten & Sugar Free 35 Servings (1 Pack)

GOBIOTIX$27.854.4★12,411 rev

Hyperbiotics Vital Nutrients Organic Prebiotic Fiber Powder | Supports Gut Health and Digestive Regularity | Soluble Fiber Supplement for Women and Men | Vegan Organic Fiber Powder | 54 Servings

Hyperbiotics$31.484.3★4,440 rev

NOW Foods Supplements Prebiotic Fiber with Fibersol-2 derived from Non-GMO corn Powder 12-Ounce

NOW Foods$13.904.6★547 rev

Benefiber Daily Prebiotic GLP-1 Friendly Fiber Supplement Powder for Digestive Health Unflavored - 250 Teaspoons (17.6 Ounces)

Benefiber$21.934.7★9,314 rev

Nutricost Prebiotic Fiber Unflavored (1 Pound) Gluten Free

Nutricost$19.624.5★251 rev

Newest

by launch date

Natures Truth Prebiotic Fiber Powder Supplement | 3.53 Oz

Nature's Truth$8.3961 rev

7mo ago

Supergut GLP1 Daily Support - High Fiber GLP-1 Supplement Powder for Women & Men - Sugar-Free Drink Mix for Gut Health (20 Servings)

Supergut$25.621,965 rev

9mo ago

Physicians CHOICE Easy Mix Fiber for GLP-1 Support - No Grit & Sugar Free - Daily Prebiotic Soluble Fiber Powder Supplement - Digestive Health & Regularity - for Women and Men - Unflavored - 7.1oz

Physician's CHOICE$21.531,689 rev

9mo ago

Nutricost Prebiotic Fiber Unflavored (1 Pound) Gluten Free

Nutricost$19.62251 rev

1y ago

Nutricost Prebiotic Fiber (Fruit Punch Flavored) 1 Pound Gluten-Free

Nutricost$21.74174 rev

1y ago

What buyers say about prebiotic fiber

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

What buyers love

Quality-Overall11%

“Excellent product”

Solubility11%

“easy to mix”

Nutritional Content7%

“This supplement is great”

Efficiency7%

“works effective”

Regulates Digestion7%

“Helps with constipation”

Taste-Overall6%

“smoothe taste”

Ease Of Use4%

“Easy to Take”

Advertised Vs Actual Product4%

“Meets Description”

Value For Money3%

“Best price”

Acid Regulator/Stomach Ache Relief2%

“Helps so much with my stomach issues”

What buyers complain about

Taste-Overall17%

“Didnt like the taste”

Functionality-Overall8%

“No results”

Solubility6%

“Does not mix well”

Value For Money5%

“Very expensive”

Flavor4%

“Absolutely no change to the flavor and dissolved quickly”

Nutritional Content3%

“quite frankly does not like foods that contain fiber I bought this to try to get my daily dose in”

Regulates Digestion3%

“Digestive Problems”

Ingredients-Overall2%

“Unhealthy ingredients”

Side Effects2%

“Flatus side effect”

Acid Regulator/Stomach Ache Relief2%

“irritated my stomach”

Top return reasons

Functionality-Overall23%

Solubility13%

Advertised Vs Actual Product7%

Ingredients-Overall7%

Regulates Digestion7%

Taste-Overall7%

Material Quality3%

Quality-Overall3%