Kirkland Fiber
FailShoppers spend an estimated $34K a year here, so Kirkland Fiber is a Fail.
- Flapen Score
- 49 / 100Ranks 7,059 of 14,768 Health & Household niches · on the category median49
- Market size
- $34K/yr24K searches / yr
- 90-day growth
- +3.9%search demand this quarter
- Competition
- 46%top-5 click share · 11 brands · 241 sellers
Flapen Score
Kirkland Fiber against its category
The dotted line is the Health & Household average. Past it, Kirkland Fiber is stronger. Inside it, weaker.
Market
The Kirkland Fiber market on Amazon at a glance
Shoppers on Amazon United States searched for Kirkland Fiber 24K times last year and spent an estimated $34K. The top 5 brands take 87% of clicks. Flapen scores it 49 out of 100, a Fail.
01 · Demand
An estimated 6.9% of those searches ended in a purchase.
Shoppers searched for this 24K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 6.9% of those searches ended in a purchase. Searches in the last 90 days moved +3.9% against the 90 days before. Searches, conversion and average price together put the market at an estimated $34K a year.
- Searches, last 12 months
- 24K
- Growth, 90 days vs prior 90
- +3.9%
- Conversion, latest week
- 6.9%
- Market size, estimated
- $34Ka year
- Peak month
- January1.5× the quietest month
- Top search term
- generic metamucil powder8K searches a year
02 · Price
A sale here is worth $20.77.
Listings sell for $20.77 on average, from $8.30 to $44.12. Amazon reports units sold in ranges. This niche sold 2K to 3K a year. The average listing sells 0 to 100 of them. At $20.77 that is $0 to $2K a year per listing.
- Average price
- $20.77inside the $15 to $100 sweet spot
- Price range
- $8.30–$44.12
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 2K–3K
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$2K
- Returns
- 0.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
65% of listings pay for placement with sponsored ads. 81% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #154 within Digestive Supplements. It carries 7,057 reviews at 4.54 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 65%
- Prime listings
- 81%
- Out of stock, average day
- 0.0%
- Average rank
- #154in Digestive Supplements
- Average rating
- 4.54 starsAmazon United States average 4.42 stars
- Average reviews
- 7,057per listing
- Listings tracked
- 26
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 89 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
- 89 months
Products
Top Kirkland 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 25, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Kirkland Signature Sugar-Free Psyllium Fiber Supplement Powder 360 DosesQ
- Price
- $44.12
- Rating
- 4.7/5
- Reviews
- 508
- Age
- 6y ago

Quality Choice Psyllium Fiber Powder Original Formula 72 Doses for Daily Digestive System Support. Promotes Regularity with Gentle Soluble Fiber in Convenient Powder Formula
- Price
- $19.39
- Rating
- 4.4/5
- Reviews
- 133
- Age
- 1y ago

Metamucil 4-in-1 Psyllium Husk GLP-1 Friendly Fiber Supplement Sugar-Free 72 teaspoons Orange Flavored Daily Fiber Powder for Digestive Health made with Plant-Based Psyllium Husk Fiber
- Price
- $17.31
- Rating
- 4.6/5
- Reviews
- 8,655
- Age
- 17y ago

Fiber Capsules Kirkland Therapy for Regularity/Fiber Supplement 360 capsules - Compare to the Active Ingredient in Metamucil Capsules
- Price
- $17.86
- Rating
- 4.6/5
- Reviews
- 4,753
- Age
- 13y ago

Kirkland Signature OPTIFIBER 25.6 Ounces 190 Servings (2 Pack)
- Price
- $38.32
- Rating
- 4.7/5
- Reviews
- 204
- Age
- 9y ago
Trending
estimated 90-day click momentum
Kirkland Signature OPTIFIBER 26.8 oz
- Price
- $18.69
- Rating
- 4.6/5
- Reviews
- 6,659
- Age
- 12y ago

Foster & Thrive Daily Psyllium Husk Powder Supplement 4-in-1 Fiber for Digestive Health Laxative Relieves Occasional Constipation Sweetened w/Real Sugar Original Flavor 48 Doses
- Price
- $8.30
- Rating
- 4.0/5
- Reviews
- 89
- Age
- 2y ago

Kirkland Signature OPTIFIBER 25.6 Ounces 190 Servings (2 Pack)
- Price
- $38.32
- Rating
- 4.7/5
- Reviews
- 204
- Age
- 9y ago

Quality Choice Psyllium Fiber Powder Original Formula 72 Doses for Daily Digestive System Support. Promotes Regularity with Gentle Soluble Fiber in Convenient Powder Formula
- Price
- $19.39
- Rating
- 4.4/5
- Reviews
- 133
- Age
- 1y ago

Kirkland Signature OPTIFIBER Powder Sugar Free Favor Free Gluten Free Non Thickening NET WT. 760g/26.8 oz (1.6 lbs) (190 Servings)
- Price
- $18.24
- Rating
- 4.7/5
- Reviews
- 2,457
- Age
- 6y ago
Newest
by launch date
Quality Choice Psyllium Fiber Powder Original Formula 72 Doses for Daily Digestive System Support. Promotes Regularity with Gentle Soluble Fiber in Convenient Powder Formula
- Price
- $19.39
- Rating
- 4.4/5
- Reviews
- 133
- Age
- 1y ago

Quality Choice Psyllium Fiber Powder Sugar Free Orange Flavor Formula 114 Doses for Daily Digestive System Support. Promotes Regularity with Gentle Soluble Fiber in Convenient Powder Formula
- Price
- $21.94
- Rating
- 4.4/5
- Reviews
- 65
- Age
- 1y ago

Quality Choice Psyllium Fiber Powder Original Formula 48 Doses for Daily Digestive System Support. Promotes Regularity with Gentle Soluble Fiber in Convenient Powder Formula
- Price
- $14.96
- Rating
- 4.2/5
- Reviews
- 53
- Age
- 1y ago

Optifiber Powder by Kik-Iand Fiber Supplement 25.6 oz (190 Servings)
- Price
- $26.54
- Rating
- 4.6/5
- Reviews
- 111
- Age
- 1y ago

Metamucil Fiber Supplement Unflavored Clear Mixing Powder No Grit No Sugar Added Plant Based Prebiotic Fiber Supplement Blend for Daily Digestive Health 75 teaspoons
- Price
- $23.57
- Rating
- 4.5/5
- Reviews
- 2,401
- Age
- 2y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 46% of clicks. Leaders hold, but buyers still shop past them.
Brands
11 rising
Sellers
241
Est. top-5 brand share
87%
Top 20: 100%
Est. top-5 click share
46%
Top 20: 93%
Open market
10%
- KIRKLAND45%
- Metamucil18%
- Quality Choice15%
- NOW Foods6%
- Krikland3%
- Benefiber3%
- Open — no brand owns it (5 brands, 10%)
Demand
Kirkland Fiber search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.5×
Search terms
Top Kirkland Fiber search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- generic metamucil powder8K/yr
- kirkland fiber powder5K/yr
- kirkland fiber5K/yr
- metamucil generic5K/yr
Reviews and returns
What reviews say buyers love and hate about Kirkland Fiber
We read the reviews and the return reasons for every product selling here.
“Doesnt taste good”
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.
16 topics
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 Kirkland 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









