--- title: "diet food — Niche Verdict: Skip it (43/100) | Amazon United States - Flapen" canonical_url: "https://flapen.com/amazon/research/us/health-household/diet-food" last_updated: "2026-07-10T00:12:51.771Z" locale: en meta: description: "a small market ($114K/yr) — diet food doesn't clear our bar today." "og:description": "a small market ($114K/yr) — diet food doesn't clear our bar today." "og:title": "diet food — Niche Verdict: Skip it (43/100) | Amazon United States - Flapen" --- Back to Flapen home # **diet food** **Skip it****43/100 ** a small market ($114K/yr) — diet food doesn't clear our bar today. **Market/yr** **$114K** **Growth (1y)** **+88.6%** **Products** **18** **Brands** **3** was 5 a year ago **Sellers** **79** **Price range** **$5.26–$56.60** **Returns** **0.0%** **Rating** **4.3★** **Skip it** Scored 43/100 across market size, growth, competition, quality gap, and returns. Market sizeGrowthCompetitionQuality gapReturns Market size **6** ×0.30 Growth **62** ×0.30 Competition **33** ×0.20 Quality gap **62** ×0.10 Returns **100** ×0.10 ## **Demand** Weekly Amazon search volume, last 104 weeks — +88.6% year over year. 3K2KPrime Day '24Spike '24Spike '25Prime Day '25Spike '26Jul '24Nov '24Mar '25Jul '25Nov '25Mar '26 ## **Seasonality** Monthly demand index across the year — 1.00 is average. JFMAMJJASOND No pronounced peak months · busiest ÷ quietest = 2.0× ## **Competition** - Protein One54% - Fiber One39% - ONE7% The top 5 products take 68% of clicks — established leaders, but buyers still shop beyond them. 3 brands and 79 sellers compete here. **Brands** **3 **▼falling was 5 a year ago **Sellers** **79** **Top 5 brand share** **100%** #ProductBrandPriceRatingReviewsClick shareTrend 1 ![Protein One Peanut Butter Chocolate Protein Bars GLP-1 Friendly 5 Ct 4.8 oz](https://m.media-amazon.com/images/I/51xXYaxLwqL.jpg) [**Protein One Peanut Butter Chocolate Protein Bars GLP-1 Friendly 5 Ct 4.8 oz**](https://www.amazon.com/dp/B07B9WB1DX) Protein One$6.533.6★1,81127%▲rising 2 ![Protein One Strawberries and Cream Protein Bars GLP-1 Friendly 5 Ct 4.8 oz](https://m.media-amazon.com/images/I/516KTVnh1TL.jpg) [**Protein One Strawberries and Cream Protein Bars GLP-1 Friendly 5 Ct 4.8 oz**](https://www.amazon.com/dp/B07BB3Y6BK) Protein One$5.573.6★2,35516%▲rising 3 ![Fiber One Chewy Protein Bars Caramel Nut Protein Snacks 1.17 oz 5 ct](https://m.media-amazon.com/images/I/51mwySCyD3L.jpg) [**Fiber One Chewy Protein Bars Caramel Nut Protein Snacks 1.17 oz 5 ct**](https://www.amazon.com/dp/B00AZMJP2C) Fiber One$5.314.5★8,22916%▲rising 4 ![Protein One 90 Calorie Protein Bars Chocolate Chip Keto Friendly 5 Ct 4.8 oz (Pack of 12)](https://m.media-amazon.com/images/I/51UvsyQNi+L.jpg) [**Protein One 90 Calorie Protein Bars Chocolate Chip Keto Friendly 5 Ct 4.8 oz (Pack of 12)**](https://www.amazon.com/dp/B07DJGMZB3) Protein One$56.604.1★1,1465%▲rising 5 ![Fiber One 80 Calorie Chewy Bars Chocolate Peanut Butter Snack Bars Value Pack 10 Ct 8.2 oz](https://m.media-amazon.com/images/I/51Fx1yoKt2L.jpg) [**Fiber One 80 Calorie Chewy Bars Chocolate Peanut Butter Snack Bars Value Pack 10 Ct 8.2 oz**](https://www.amazon.com/dp/B005BTQ9JG) Fiber One$8.434.2★1,9525%▼falling 6 ![Fiber One Chewy Bars Oats and Chocolate Fiber Snacks Mega Pack 15 Ct 21.2 oz](https://m.media-amazon.com/images/I/51woV+JTDFL.jpg) [**Fiber One Chewy Bars Oats and Chocolate Fiber Snacks Mega Pack 15 Ct 21.2 oz**](https://www.amazon.com/dp/B075MJ5D32) Fiber One$8.444.7★14,0545%▼falling 7 ![Protein One Chocolate Chip Protein Bars GLP-1 Friendly 5 Ct 4.8 oz](https://m.media-amazon.com/images/I/51wqaH7RopL.jpg) [**Protein One Chocolate Chip Protein Bars GLP-1 Friendly 5 Ct 4.8 oz**](https://www.amazon.com/dp/B07B9PB4GC) Protein One$5.264.1★1,1464%▼falling 8 ![Fiber One 80 Calorie Chewy Snack Bars Chocolate Caramel and Pretzel 5 Ct 4.1 oz](https://m.media-amazon.com/images/I/514C-NfUqQL.jpg) [**Fiber One 80 Calorie Chewy Snack Bars Chocolate Caramel and Pretzel 5 Ct 4.1 oz**](https://www.amazon.com/dp/B00DGLBHW0) Fiber One$6.214.2★4,8753%—flat 9 ![Fiber One 70 Calorie Brownies Chocolate Chip Cookie Snack Bars 2g Sugar Value Pack 12 Ct 10.6 oz](https://m.media-amazon.com/images/I/51PfT41DOZL.jpg) [**Fiber One 70 Calorie Brownies Chocolate Chip Cookie Snack Bars 2g Sugar Value Pack 12 Ct 10.6 oz**](https://www.amazon.com/dp/B0D2M2YL58) Fiber One$5.674.5★4,2483%—flat 10 ![Protein One 90 Calorie Chocolate Chip Protein Bar 4.8 Ounce (5 Count)](https://m.media-amazon.com/images/I/51wqaH7RopL.jpg) [**Protein One 90 Calorie Chocolate Chip Protein Bar 4.8 Ounce (5 Count)**](https://www.amazon.com/dp/B07D3F529X) Protein One$13.273.9★6263%▼falling 11 ![Fiber One Chewy Bars Oats and Chocolate Fiber Snacks Value Pack 10 Ct 14.1 oz](https://m.media-amazon.com/images/I/51k+uJsOVoL.jpg) [**Fiber One Chewy Bars Oats and Chocolate Fiber Snacks Value Pack 10 Ct 14.1 oz**](https://www.amazon.com/dp/B007WTUKGQ) Fiber One$6.144.7★14,0542%—flat 12 ![ONE Protein Bars NEW Hersheys Double Chocolate Gluten Free with 18g Protein and 3g Sugar Pantry Staples 2.12 oz (12 Pack)](https://m.media-amazon.com/images/I/41DwHxXq6aL.jpg) [**ONE Protein Bars NEW Hersheys Double Chocolate Gluten Free with 18g Protein and 3g Sugar Pantry Staples 2.12 oz (12 Pack)**](https://www.amazon.com/dp/B0DW9DKBL2) ONE$23.704.3★5852%▲rising 13 ![Fiber One 70 Calorie Brownies Chocolate Fudge Snack Bars Mega Pack 18 Ct 16 oz](https://m.media-amazon.com/images/I/51WEWG96WqL.jpg) [**Fiber One 70 Calorie Brownies Chocolate Fudge Snack Bars Mega Pack 18 Ct 16 oz**](https://www.amazon.com/dp/B00F9BJ100) Fiber One$8.934.5★9,4652%▼falling 14 ![ONE Protein Bars Reeses Peanut Butter Lovers Gluten Free with 18g Protein and 3g Sugar Pantry Staples 2.12 oz (12 Count)](https://m.media-amazon.com/images/I/41G4vg3j9QL.jpg) [**ONE Protein Bars Reeses Peanut Butter Lovers Gluten Free with 18g Protein and 3g Sugar Pantry Staples 2.12 oz (12 Count)**](https://www.amazon.com/dp/B0CVNCJKJJ) ONE$23.724.4★2,8362%▼falling 15 ![Fiber One Chewy Protein Bars Caramel Nut Protein Snacks 10 ct](https://m.media-amazon.com/images/I/51b8yWthbAL.jpg) [**Fiber One Chewy Protein Bars Caramel Nut Protein Snacks 10 ct**](https://www.amazon.com/dp/B00DHFJEK2) Fiber One$10.084.5★8,2292%▼falling **~~Showing 15 of 18 — show all ~~** ## **Product shelf** All 18 tracked products in this niche. Top sellersNewestTrending [![Protein One Peanut Butter Chocolate Protein Bars GLP-1 Friendly 5 Ct 4.8 oz](https://m.media-amazon.com/images/I/51xXYaxLwqL.jpg)**Protein One Peanut Butter Chocolate Protein Bars GLP-1 Friendly 5 Ct 4.8 oz** Protein One**$6.53**3.6★1,811 reviews](https://www.amazon.com/dp/B07B9WB1DX) [![Protein One Strawberries and Cream Protein Bars GLP-1 Friendly 5 Ct 4.8 oz](https://m.media-amazon.com/images/I/516KTVnh1TL.jpg)**Protein One Strawberries and Cream Protein Bars GLP-1 Friendly 5 Ct 4.8 oz** Protein One**$5.57**3.6★2,355 reviews](https://www.amazon.com/dp/B07BB3Y6BK) [![Fiber One Chewy Protein Bars Caramel Nut Protein Snacks 1.17 oz 5 ct](https://m.media-amazon.com/images/I/51mwySCyD3L.jpg)**Fiber One Chewy Protein Bars Caramel Nut Protein Snacks 1.17 oz 5 ct** Fiber One**$5.31**4.5★8,229 reviews](https://www.amazon.com/dp/B00AZMJP2C) [![Protein One 90 Calorie Protein Bars Chocolate Chip Keto Friendly 5 Ct 4.8 oz (Pack of 12)](https://m.media-amazon.com/images/I/51UvsyQNi+L.jpg)**Protein One 90 Calorie Protein Bars Chocolate Chip Keto Friendly 5 Ct 4.8 oz (Pack of 12)** Protein One**$56.60**4.1★1,146 reviews](https://www.amazon.com/dp/B07DJGMZB3) [![Fiber One 80 Calorie Chewy Bars Chocolate Peanut Butter Snack Bars Value Pack 10 Ct 8.2 oz](https://m.media-amazon.com/images/I/51Fx1yoKt2L.jpg)**Fiber One 80 Calorie Chewy Bars Chocolate Peanut Butter Snack Bars Value Pack 10 Ct 8.2 oz** Fiber One**$8.43**4.2★1,952 reviews](https://www.amazon.com/dp/B005BTQ9JG) [![Fiber One Chewy Bars Oats and Chocolate Fiber Snacks Mega Pack 15 Ct 21.2 oz](https://m.media-amazon.com/images/I/51woV+JTDFL.jpg)**Fiber One Chewy Bars Oats and Chocolate Fiber Snacks Mega Pack 15 Ct 21.2 oz** Fiber One**$8.44**4.7★14,054 reviews](https://www.amazon.com/dp/B075MJ5D32) [![Protein One Chocolate Chip Protein Bars GLP-1 Friendly 5 Ct 4.8 oz](https://m.media-amazon.com/images/I/51wqaH7RopL.jpg)**Protein One Chocolate Chip Protein Bars GLP-1 Friendly 5 Ct 4.8 oz** Protein One**$5.26**4.1★1,146 reviews](https://www.amazon.com/dp/B07B9PB4GC) [![Fiber One 80 Calorie Chewy Snack Bars Chocolate Caramel and Pretzel 5 Ct 4.1 oz](https://m.media-amazon.com/images/I/514C-NfUqQL.jpg)**Fiber One 80 Calorie Chewy Snack Bars Chocolate Caramel and Pretzel 5 Ct 4.1 oz** Fiber One**$6.21**4.2★4,875 reviews](https://www.amazon.com/dp/B00DGLBHW0) ## **Reviews** What buyers praise and complain about, mined from review topics. ### **What buyers love ** **Taste-Overall**44% *“Delicious Treat”* **Nutritional Content**16% *“Good protein”* **Flavor**6% *“The flavor variety is excellent”* **Health Benefits-Overall**4% *“Low calorie”* **Quality-Overall**4% *“They're well made”* **Sweetness**3% *“Great little sweet treat”* **Value For Money**3% *“GREAT PRICE”* **Texture/Consistency-Overall**2% *“Great texture”* **Freshness**1% *“Fresh arrived fast”* **Soft Feel**1% *“Nice and soft and we can taste the cinnamon”* ### **What buyers complain about ** **Taste-Overall**22% *“has an odd after taste”* **Nutritional Content**7% *“Certain things just don't make sense as a part of a healthy diet”* **Flavor**6% *“And the taste, tastes artificial”* **Ease Of Chewing/Swallowing**5% *“Not chewable”* **Value For Money**4% *“Kinda Pricey”* **Storage Temperature**4% *“Melted Mess”* **Texture/Consistency-Overall**4% *“its a really weird texture”* **Size-Overall**3% *“Bolts are too short”* **Sweetness**3% *“To sweet”* **Advertised Vs Actual Product**3% *“Not as pictured”* #### **Top return reasons**- Taste-Overall37% - Ingredients-Overall14% - Value For Money9% - Storage Temperature7% - Ease Of Chewing/Swallowing6% - Flavor4% - Side Effects2% - Smell2% - Powdered/Crumbled2% - Nutritional Content2%