protein fiber
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
Great$18.45avg listing price — sweet spot $15–$100
Price range
Good$5.52–$27.06cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Okay3.4%search→purchase rate — share of searches ending in a sale
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Review moat
Bad5,697.43avg incumbent reviews — the moat a new listing must climb
Growth
Bad-5.8%90-day search growth — must beat 0% to launch
Market size
Bad$44K$44K/yr · 71K searches
Competition
Bad95%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, protein fiber is a $44K/yr Amazon United States market (71K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 32/100.
Data updated Jul 10, 2026 · scored weekly · How we score niches
protein fiber market data
- Units sold / yr
- 3K–4K
- avg 750–1,000/product
- Revenue / yr
- $55K–$74K
- units × avg price
- Conversion rate
- 3.4%
- Avg BSR
- #34
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 71%
- Out of stock
- 0.0%
- Avg brand age
- 74 months
- Avg seller age
- 134 days
Competition & brand share
The top 5 products capture 95% of clicks — a locked-up shelf that new listings rarely crack.Brands
4 falling
Sellers
571
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
95%
Top 20: 100%
Open market
0%
- Premier Protein85%
- Manitoba Harvest9%
- Kashi4%
- Carnation Breakfast Essentials3%
Demand
Weekly Amazon search volume, last 27 weeks — -5.8% search growth over the last 90 days.Top protein fiber search terms
- protein fiber12K/yr
- protein and fiber9K/yr
- premier protein plus fiber11K/yr
- fiber protein6K/yr
- fiber and protein5K/yr
- high fiber protein5K/yr
- premier protein powder with fiber5K/yr
- premier protein fiber5K/yr
- premier protein with fiber6K/yr
- premier protein powder plus fiber5K/yr
Top protein fiber 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 7 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Premier Protein Powder Plus Fiber Vanilla 25g Protein 7g Fiber to Support Gut Health No Added Sugar (17 Servings)
Premier Protein$27.034.6★1,061 rev

Premier Protein Powder Plus Fiber Chocolate 25g Protein 7g Fiber to Support Gut Health No Added Sugar (17 Servings)
Premier Protein$27.064.6★792 rev

Just Hemp Foods Hemp Protein Powder Plus Fiber Non-GMO Verified with 11g of Protein & 11g of Fiber per Serving 16 oz - Packaging May Vary
Manitoba Harvest$7.434.3★3,817 rev

Kashi GO Protein Cereal 10g Protein 10g Fiber Peanut Butter Crunch 16.9oz Box (1 Box)
Kashi$5.524.5★679 rev

Premier Protein Powder Chocolate Milkshake 30g Protein No Added Sugar 100% Whey Protein Keto Friendly Soy & Gluten Free 24.5 oz (17 Servings)
Premier Protein$23.664.6★28,214 rev
Newest
by launch date
Premier Protein Powder Plus Fiber Vanilla 25g Protein 7g Fiber to Support Gut Health No Added Sugar (17 Servings)
Premier Protein$27.031,061 rev

Premier Protein Powder Plus Fiber Chocolate 25g Protein 7g Fiber to Support Gut Health No Added Sugar (17 Servings)
Premier Protein$27.06792 rev

Kashi GO Protein Cereal 10g Protein 10g Fiber Peanut Butter Crunch 16.9oz Box (1 Box)
Kashi$5.52679 rev

Carnation Breakfast Essentials High Protein with Fiber Ready-to-Drink 8 FL OZ Carton Rich Milk Chocolate (Pack of 24)
Carnation Breakfast Essentials$26.244,343 rev

Premier Protein Powder Chocolate Milkshake 30g Protein No Added Sugar 100% Whey Protein Keto Friendly Soy & Gluten Free 24.5 oz (17 Servings)
Premier Protein$23.6628,214 rev
Trending
90-day click momentum
Kashi GO Protein Cereal 10g Protein 10g Fiber Peanut Butter Crunch 16.9oz Box (1 Box)
Kashi$5.524.5★

Carnation Breakfast Essentials High Protein with Fiber Ready-to-Drink 8 FL OZ Carton Rich Milk Chocolate (Pack of 24)
Carnation Breakfast Essentials$26.244.7★

Manitoba Harvest Hemp Yeah Balanced Protein and Fiber Powder Unsweetened 16oz with 15g protein 8g Fiber and 2g Omegas 3&6 per Serving Keto-Friendly Preservative Free Non-GMO Packaging May Vary
Manitoba Harvest$12.204.2★

Premier Protein Powder Plus Fiber Chocolate 25g Protein 7g Fiber to Support Gut Health No Added Sugar (17 Servings)
Premier Protein$27.064.6★

Just Hemp Foods Hemp Protein Powder Plus Fiber Non-GMO Verified with 11g of Protein & 11g of Fiber per Serving 16 oz - Packaging May Vary
Manitoba Harvest$7.434.3★
What buyers say about protein fiber
What buyers praise and complain about, mined from review topics.What buyers love
“very tasty drink”
“High protein”
“Excellent flavor”
“Decent powder”
“Great value”
“is easy to mix”
“Powder mixes well”
“Stays crunchy even in milk”
“One of the healthiest cereals that you can buy”
“is easy to use”
What buyers complain about
“Absolutely disgusting taste”
“Low calorie protein”
“Massively over-sweet”
“Doesn't mix well”
“Unflavored”
“A little expensive”
“Super hard”
“It is bitter”
“The container is bigger than I thought”
“you have to be careful there are some pieces in here that I really hard to chew other than that”
Top return reasons
Common questions
- Is protein fiber profitable to sell on Amazon United States?
- The niche generates $44K/yr across 7 tracked products. 90-day search growth is -5.8%. Flapen's verdict: Skip it (32/100).
- How competitive is the protein fiber niche?
- 4 brands and 571 sellers compete. The top 5 products take 95% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in protein fiber?
- Top complaints mined from reviews: Taste-Overall, Nutritional Content, Sweetness. The return rate is 0.0%.
- What does it cost to enter the protein fiber niche?
- Listings span $5.52–$27.06; the average listing price is $18.45 (sweet spot $15–$100). The average incumbent carries 5,697 reviews — the moat a new listing must climb.