Skip to content
37

fiber thins

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 12Growth 22Conversion 62Competition 19Returns 100Price range 75Avg price 95Brand share 0Review moat 24Quality gap 35

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Incredible$25.39

avg listing price — sweet spot $15–$100

Price range

Great$5.69–$43.16

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

Conversion

Good5.5%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Review moat

Bad5,053.15

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-6.6%

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

Competition

Bad77%

top-5 click share — a locked-up shelf

Market size

Bad$46K

$46K/yr · 33K searches

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, fiber thins is a $46K/yr Amazon United States market (33K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 37/100.

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

fiber thins market data

Units sold / yr
3K–3K
avg 100–250/product
Revenue / yr
$63K–$76K
units × avg price
Conversion rate
5.5%
Avg BSR
#83
Page quality
0%
Prime
62%
Sponsored
54%
Out of stock
6.3%
Avg brand age
75 months
Avg seller age
149 days

Competition & brand share

The top 5 products capture 77% of clicks — a locked-up shelf that new listings rarely crack.

Brands

5 falling

Sellers

53

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

77%

Top 20: 100%

Open market

0%

  • Metamucil82%
  • 99 Cell LLC7%
  • Fiber One6%
  • Fiome2%
  • Benefiber2%
  • Open — no brand owns it (0%)

Demand & seasonality

Weekly Amazon search volume, last 69 weeks — -6.6% search growth over the last 90 days.
900700Spike '25Spike '26AprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

No pronounced peak months · busiest ÷ quietest = 1.4×

Top fiber thins search terms

  • fiber thins20K/yr
  • fiber wafers7K/yr
  • fiber cookies for adults6K/yr
All search terms

Top fiber thins 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%$5K20%$9K30%$14K40%$19K1001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 13 tracked products in this niche — three views at once, no toggling.

What buyers say about fiber thins

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

What buyers love

Taste-Overall29%

“Delicious snack I highly recommend”

Nutritional Content9%

“Easy way to get some protein”

Flavor6%

“Nice orange flavor”

Ease Of Use6%

“convenient while on the go”

Value For Money6%

“Worth it”

Quality-Overall5%

“Decent enough”

Efficiency5%

“effective it is”

Advertised Vs Actual Product4%

“As advertised”

Ease Of Chewing/Swallowing4%

“just a lot more chewy than other brands”

Regulates Digestion3%

“Great gummies recommended by my gastroenterologist”

What buyers complain about

Taste-Overall14%

“chemically awful tasting”

Functionality-Overall8%

“I did not get near the same results”

Value For Money6%

“Price is a little high”

Hard Feel4%

“Bites are hard”

Nutritional Content4%

“I cant believe I didnt double check the nutrition label”

Artificial Sweeteners3%

“Artificial chemical taste”

Ingredients-Overall3%

“ingredients - not as good anymore”

Regulates Digestion3%

“so I've suffered with constipation a lot over the years”

Advertised Vs Actual Product3%

“Misleading”

Adhesion/Stickiness3%

“Sticky Gummies”

Top return reasons

Ingredients-Overall20%
Taste-Overall20%
Ease Of Chewing/Swallowing13%
Flavor13%
Functionality-Overall7%
Value For Money7%
Calcium7%
Smell7%
Artificial Sweeteners7%

Common questions

Is fiber thins profitable to sell on Amazon United States?
The niche generates $46K/yr across 13 tracked products. 90-day search growth is -6.6%. Flapen's verdict: Skip it (37/100).
How competitive is the fiber thins niche?
5 brands and 53 sellers compete. The top 5 products take 77% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in fiber thins?
Top complaints mined from reviews: Taste-Overall, Functionality-Overall, Value For Money. The return rate is 0.0%.
When does demand for fiber thins peak?
Demand is steady year-round — the busiest month runs 1.4× the quietest.
What does it cost to enter the fiber thins niche?
Listings span $5.69–$43.16; the average listing price is $25.39 (sweet spot $15–$100). The average incumbent carries 5,053 reviews — the moat a new listing must climb.