Kirkland Fiber
Skip itA small market ($34K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Avg price
Great$20.77avg listing price — sweet spot $15–$100
Price range
Great$8.30–$44.12cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Good6.9%search→purchase rate — share of searches ending in a sale
Competition
Good46%top-5 click share — leaders hold, buyers still browse
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Growth
Okay+3.9%90-day search growth — must beat 0% to launch
Brand share
Okay87%top-5 brand share — brands hold most of the demand
Review moat
Bad7,056.88avg incumbent reviews — the moat a new listing must climb
Market size
Bad$34K$34K/yr · 24K searches
Is kirkland fiber profitable on Amazon?
According to Flapen's Amazon United States niche tracking, kirkland fiber is a $34K/yr Amazon United States market (24K searches/yr). The top 5 brands hold 87% of demand. Verdict: Skip it — 49/100.
Data updated Jul 25, 2026 · scored weekly · How we score niches
kirkland fiber market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 2K–3K
- avg 0–100/product
- Revenue / yr
- $42K–$52K
- units × avg price
- Conversion rate
- 6.9%
- Avg BSR
- #154
- Page quality
- 0%
- Prime
- 81%
- Sponsored
- 65%
- Out of stock
- 0.0%
- Avg brand age
- 89 months
- Avg seller age
- 160 days
Competition: brands, sellers & click share
The top 5 products take 46% of clicks — established leaders, but buyers still shop beyond them.Brands
11 rising
Sellers
241
Top-5 brand share
87%
Top 20: 100%
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%)
kirkland fiber demand & seasonality
Weekly Amazon search volume, last 77 weeks — +3.9% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.5×
Top kirkland fiber search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- generic metamucil powder8K/yr
- kirkland fiber powder5K/yr
- kirkland fiber5K/yr
- metamucil generic5K/yr
Top kirkland fiber products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Kirkland Signature Sugar-Free Psyllium Fiber Supplement Powder 360 DosesQ
KIRKLAND$44.124.7★508 rev
Quality Choice Psyllium Fiber Powder Original Formula 72 Doses for Daily Digestive System Support. Promotes Regularity with Gentle Soluble Fiber in Convenient Powder Formula
Quality Choice$19.394.4★133 rev
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
Metamucil$17.314.6★8,655 rev
Fiber Capsules Kirkland Therapy for Regularity/Fiber Supplement 360 capsules - Compare to the Active Ingredient in Metamucil Capsules
KIRKLAND$17.864.6★4,753 rev
Kirkland Signature OPTIFIBER 25.6 Ounces 190 Servings (2 Pack)
KIRKLAND$38.324.7★204 rev
Newest
by launch dateQuality Choice Psyllium Fiber Powder Original Formula 72 Doses for Daily Digestive System Support. Promotes Regularity with Gentle Soluble Fiber in Convenient Powder Formula
Quality Choice$19.39133 rev
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
Quality Choice$21.9465 rev
Quality Choice Psyllium Fiber Powder Original Formula 48 Doses for Daily Digestive System Support. Promotes Regularity with Gentle Soluble Fiber in Convenient Powder Formula
Quality Choice$14.9653 rev
Optifiber Powder by Kik-Iand Fiber Supplement 25.6 oz (190 Servings)
Krikland$26.54111 rev
Metamucil Fiber Supplement Unflavored Clear Mixing Powder No Grit No Sugar Added Plant Based Prebiotic Fiber Supplement Blend for Daily Digestive Health 75 teaspoons
Metamucil$23.572,401 rev
Trending
90-day click momentum
Kirkland Signature OPTIFIBER 26.8 oz
KIRKLAND$18.694.6★
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
Foster & Thrive$8.304.0★
Kirkland Signature OPTIFIBER 25.6 Ounces 190 Servings (2 Pack)
KIRKLAND$38.324.7★
Quality Choice Psyllium Fiber Powder Original Formula 72 Doses for Daily Digestive System Support. Promotes Regularity with Gentle Soluble Fiber in Convenient Powder Formula
Quality Choice$19.394.4★
Kirkland Signature OPTIFIBER Powder Sugar Free Favor Free Gluten Free Non Thickening NET WT. 760g/26.8 oz (1.6 lbs) (190 Servings)
KIRKLAND$18.244.7★
What reviews say buyers love and hate about kirkland fiber
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent product”
“Works Well”
“Great taste”
“Best value”
“As advertised”
“Helps constipation”
“Mixes easily”
“Perfect addition to protein shake”
“Easy to Use”
“Good orange flavor”
What buyers complain about
“Doesnt taste good”
“Does Not Dissolve”
“Not effective”
“A little pricey”
“No flavor”
“Texture isnt great”
“I saw it has an artificial sweetener”
“got them bi cant take them they are to big of capsules”
“provide zero nutritional value”
“It's huge”
Top return reasons
Common kirkland fiber questions
- Is kirkland fiber profitable to sell on Amazon United States?
- The niche generates $34K/yr across 26 tracked products. 90-day search growth is +3.9%. Flapen's verdict: Skip it (49/100).
- How competitive is the kirkland fiber niche?
- 11 brands and 241 sellers compete. The top 5 products take 46% of clicks and top 5 brands hold 87% of demand.
- What do buyers complain about in kirkland fiber?
- Top complaints mined from reviews: Taste-Overall, Solubility, Functionality-Overall. The return rate is 0.0%.
- When does demand for kirkland fiber peak?
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- What does it cost to enter the kirkland fiber niche?
- Listings span $8.30–$44.12; the average listing price is $20.77 (sweet spot $15–$100). The average incumbent carries 7,057 reviews — the moat a new listing must climb.