Fiber
FailShoppers spend an estimated $5K a year here, so Fiber is a Fail.
- Flapen Score
- 36 / 100Ranks 102 of 198 Health, Household and Personal Care niches · −1 vs the category median of 3736
- Market size
- $5K/yr3K searches / yr
- 90-day growth
- -3.0%search demand this quarter
- Competition
- 77%top-5 click share · 6 brands · 17 sellers
Flapen Score
Fiber against its category
The dotted line is the Health, Household and Personal Care average. Past it, Fiber is stronger. Inside it, weaker.
Market
The Fiber market on Amazon at a glance
Shoppers on Amazon Singapore searched for Fiber 3K times last year and spent an estimated $5K. The top 5 brands take 94% of clicks. Flapen scores it 36 out of 100, a Fail.
01 · Demand
An estimated 4.6% of those searches ended in a purchase.
Shoppers searched for this 3K times in the last 12 months. That counts every search on Amazon Singapore for this niche's terms. An estimated 4.6% of those searches ended in a purchase. Searches in the last 90 days moved -3.0% against the 90 days before. Searches, conversion and average price together put the market at an estimated $5K a year.
- Searches, last 12 months
- 3K
- Growth, 90 days vs prior 90
- -3.0%
- Conversion, latest week
- 4.6%
- Market size, estimated
- $5Ka year
- Peak month
- October1.6× the quietest month
- Top search term
- fiber2K searches a year
02 · Price
A sale here is worth $31.42.
Listings sell for $31.42 on average, from $10.77 to $65.39. Amazon reports units sold in ranges. This niche sold 100 to 250 a year. The average listing sells 0 to 100 of them. At $31.42 that is $0 to $3K a year per listing.
- Average price
- $31.42inside the $15 to $100 sweet spot
- Price range
- $10.77–$65.39
- Amazon Singapore median price
- $30.00across 1,590 niches
- Units sold a year
- 100–250
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$3K
- Returns
- 0.0%of orders · Amazon Singapore median 0.0%
03 · Entry bar
The bar here is reviews.
20% of listings pay for placement with sponsored ads. 90% ship with Prime. On an average day, 4.8% of listings are out of stock. The average listing ranks #65 within Health, Household and Personal Care. It carries 7,167 reviews at 4.62 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 20%
- Prime listings
- 90%
- Out of stock, average day
- 4.8%
- Average rank
- #65in Health, Household and Personal Care
- Average rating
- 4.62 starsAmazon Singapore average 4.47 stars
- Average reviews
- 7,167per listing
- Listings tracked
- 10
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 104 months on average, so the names here are established.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 104 months
Products
Top Fiber products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 24, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
NOW Supplements Psyllium Husk Caps 500 mg Non-GMO Project Verified Natural Soluble Fiber Intestinal Health 500 Veg Capsules
- Price
- $26.63
- Rating
- 4.6/5
- Reviews
- 14,183
- Age
- 13y ago

Swanson Tri-Fiber Complex 100 Caps Support Bowel Regularity Healthy Cholesterol Blood Sugar
- Price
- $15.83
- Rating
- 4.4/5
- Reviews
- 648
- Age
- 13y ago

Fybogel Orange Natural Fibre Drink 10s
- Price
- $10.77
- Rating
- 5.0/5
- Reviews
- 3
- Age
- 5y ago

Vitafusion Fiber Well Gummy Vitamins 90 ct
- Price
- $17.39
- Rating
- 4.6/5
- Reviews
- 20,662
- Age
- 16y ago

Now Foods Prebiotic Fiber with Fibersol-2 340g
- Price
- $22.03
- Rating
- 4.6/5
- Reviews
- 812
- Age
- 8y ago
Trending
estimated 90-day click momentum
Swanson Tri-Fiber Complex 100 Caps Support Bowel Regularity Healthy Cholesterol Blood Sugar
- Price
- $15.83
- Rating
- 4.4/5
- Reviews
- 648
- Age
- 13y ago

NOW Supplements Whole Psyllium Husks Non-GMO Project Verified Soluble Fiber 24-Ounce
- Price
- $24.70
- Rating
- 4.7/5
- Reviews
- 2,864
- Age
- 13y ago

NOW Supplements Psyllium Husk Caps 500 mg Non-GMO Project Verified Natural Soluble Fiber Intestinal Health 500 Veg Capsules
- Price
- $26.63
- Rating
- 4.6/5
- Reviews
- 14,183
- Age
- 13y ago

Metamucil Fiber 4-in-1 Psyllium Fiber Supplement Sugar-Free Powder Orange Smooth Flavored Drink 114 Servings (Packaging May Vary)
- Price
- $53.37
- Rating
- 4.7/5
- Reviews
- 2,557
- Age
- 13y ago

Vitafusion Fiber Well Gummy Vitamins 90 ct
- Price
- $17.39
- Rating
- 4.6/5
- Reviews
- 20,662
- Age
- 16y ago
Newest
by launch date
Fybogel Orange Natural Fibre Drink 10s
- Price
- $10.77
- Rating
- 5.0/5
- Reviews
- 3
- Age
- 5y ago

Now Foods Prebiotic Fiber with Fibersol-2 340g
- Price
- $22.03
- Rating
- 4.6/5
- Reviews
- 812
- Age
- 8y ago

Thorne Research OTC Fibermend 11.6 Ounce
- Price
- $65.39
- Rating
- 4.4/5
- Reviews
- 1,206
- Age
- 13y ago

Swanson Tri-Fiber Complex 100 Caps Support Bowel Regularity Healthy Cholesterol Blood Sugar
- Price
- $15.83
- Rating
- 4.4/5
- Reviews
- 648
- Age
- 13y ago

NOW Supplements Psyllium Husk Caps 500 mg Non-GMO Project Verified Natural Soluble Fiber Intestinal Health 500 Veg Capsules
- Price
- $26.63
- Rating
- 4.6/5
- Reviews
- 14,183
- Age
- 13y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 77% of clicks. A locked shelf that new listings rarely crack.
Brands
6 falling
Sellers
17
Est. top-5 brand share
94%
Top 20: 100%
Est. top-5 click share
77%
Top 20: 100%
Open market
0%
- Now Foods41%
- Fybogel18%
- Swanson13%
- Metamucil12%
- VITAFUSION10%
- THORNE6%
Demand
Fiber search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.6×
Search terms
Top Fiber search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- fiber2K/yr
- fiber supplement1K/yr
- fibre757/yr
Reviews and returns
What reviews say buyers love and hate about Fiber
We read the reviews and the return reasons for every product selling here.
“Good deal”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
1 topic
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Fiber questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









