fiber thins
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Avg price
Incredible$25.39avg listing price — sweet spot $15–$100
Price range
Great$5.69–$43.16cheapest 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
Bad5,053.15avg 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.No pronounced peak months · busiest ÷ quietest = 1.4×
Top fiber thins search terms
- fiber thins20K/yr
- fiber wafers7K/yr
- fiber cookies for adults6K/yr
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.
All 13 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Metamucil Fiber Thins Daily Psyllium Husk Fiber Supplement Supports Digestive Health and Satisfies Hunger Chocolate Flavor 48 Total Servings (4 Packs of 12)
Metamucil$41.884.6★5,543 rev

Metamucil Fiber Thins Daily Psyllium Husk Fiber Supplement Supports Digestive Health and Satisfies Hunger Apple Crisp Flavor 48 Total Servings (4 Packs of 12)
Metamucil$43.164.6★5,126 rev

99 Cell LLC Fiber Thins Digestive Health Support Psyllium Fiber Bars Variety with Bleam Digestive Health Tip Card - Apple Crisp - Cinnamon Spice - Chocolate - Variety Pack of 3
99 Cell LLC$41.464.6★267 rev

Metamucil MultiGrain Fiber Wafers Apple Crisp - 12 ct Pack of 2
Metamucil$24.874.6★1,281 rev

Fiber One 70 Calorie Brownies Chocolate Chip Cookie Snack Bars 2g Sugar Value Pack 12 Ct 10.6 oz
Fiber One$5.694.5★4,283 rev
Newest
by launch date
Fiber One 70 Calorie Brownies Chocolate Chip Cookie Snack Bars 2g Sugar Value Pack 12 Ct 10.6 oz
Fiber One$5.694,283 rev

Fiome Fiber Bites - 5g Daily Fiber Supplement - Supports Regularity Digestion and Gut Health - All Natural Ingredients 30 Servings Peanut Butter Flavor
Fiome$29.58362 rev

99 Cell LLC Fiber Thins Digestive Health Support Psyllium Fiber Bars Variety with Bleam Digestive Health Tip Card - Apple Crisp - Cinnamon Spice - Chocolate - Variety Pack of 3
99 Cell LLC$41.46267 rev

Metamucil Fiber Gummies for Adults No Sugar Added Orange Flavor 5g Prebiotic Plant Based Fiber Supplement Blend 120 Count
Metamucil$23.7017,254 rev

Benefiber Chewable Prebiotic GLP-1 Friendly Fiber Supplement Tablets for Digestive Health Assorted Fruit Flavors - 100 Count
Benefiber$13.117,992 rev
Trending
90-day click momentum
Metamucil Meta Multi-grain Fiber Wafers by Meta Apple Crisp 24 count (Pack of 3) (OLD)
Metamucil$32.874.6★

Metamucil Fiber Thins Daily Psyllium Husk Fiber Supplement Supports Digestive Health and Satisfies Hunger Apple Crisp Flavor 48 Total Servings (4 Packs of 12)
Metamucil$43.164.6★

Benefiber Chewable Prebiotic GLP-1 Friendly Fiber Supplement Tablets for Digestive Health Assorted Fruit Flavors - 100 Count
Benefiber$13.114.5★

Metamucil Fiber Thins Daily Psyllium Husk Fiber Supplement Supports Digestive Health and Satisfies Hunger Chocolate Flavor 12 Count
Metamucil$11.154.5★

Metamucil Fiber Thins Daily Psyllium Husk Fiber Supplement Supports Digestive Health and Satisfies Hunger Chocolate Flavor 48 Total Servings (4 Packs of 12)
Metamucil$41.884.6★
What buyers say about fiber thins
What buyers praise and complain about, mined from review topics.What buyers love
“Delicious snack I highly recommend”
“Easy way to get some protein”
“Nice orange flavor”
“convenient while on the go”
“Worth it”
“Decent enough”
“effective it is”
“As advertised”
“just a lot more chewy than other brands”
“Great gummies recommended by my gastroenterologist”
What buyers complain about
“chemically awful tasting”
“I did not get near the same results”
“Price is a little high”
“Bites are hard”
“I cant believe I didnt double check the nutrition label”
“Artificial chemical taste”
“ingredients - not as good anymore”
“so I've suffered with constipation a lot over the years”
“Misleading”
“Sticky Gummies”
Top return reasons
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.