---
title: "Diet Food — $114K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/diet-food"
last_updated: "2026-08-11T09:13:05.645Z"
locale: en
meta:
description: "Niche score 49/100 · $114K/yr market · 100K searches/yr · $14.06 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 49/100 · $114K/yr market · 100K searches/yr · $14.06 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Diet Food — $114K/yr Amazon US Niche (2026) - Flapen"
---
# **diet food**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 27Growth 46Conversion 79Competition 28Returns 100Price range 80Avg price 67Brand share 0Review moat 24Quality gap 76
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Price range**
**Great****$5.26–$56.60**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Great****8.1%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Good****$14.06**
avg listing price — sweet spot $15–$100
**Growth**
**Okay****+16.5%**
90-day search growth — must beat 0% to launch
**Competition**
**Okay****68%**
top-5 click share — leaders hold, buyers still browse
**Market size**
**Okay****$114K**
$114K/yr · 100K searches
**Review moat**
**Bad****4,964.83**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, diet food is a $114K/yr Amazon United States market (100K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 49/100.
Data updated Jul 8, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **diet food market data**
- **Units sold / yr**
- **10K–13K**
- avg 250–500/product
- **Revenue / yr**
- **$141K–$176K**
- units × avg price
- **Conversion rate**
- **8.1%**
- **Avg BSR**
- **#84**
- **Page quality**
- **0%**
- **Prime**
- **89%**
- **Sponsored**
- **72%**
- **Out of stock**
- **3.9%**
- **Avg brand age**
- **77 months**
- **Avg seller age**
- **127 days**
## **Competition & brand share**
The top 5 products take 68% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**3 **▼falling
**Sellers**
**79**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**68%**
Top 20: 100%
**Open market**
**0%**
- Protein One54% - Fiber One39% - ONE7%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +16.5% search growth over the last 90 days.
3K2KPrime Day '24Spike '24Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 2.0×
[**Open Trend **](https://flapen.com/research/us/health-household/diet-food/trend)
## **Top diet food search terms**
- **protein one bars**32K/yr+28.3%8.3% conv. - **fiber one protein bars**31K/yr+13.2%9.8% conv. - **protein one**17K/yr+19.2%5.4% conv. - **protein one bars 90 calorie**14K/yr-2.1%9.5% conv. - **fiber one protein**4K/yr+1.9%7.4% conv. - **protein one bar**2K/yr+12.8%7.7% conv. - **protein one peanut butter chocolate bars**1K/yr+106.2%12.0% conv. - **protein one bars 90 calorie peanut butter chocolate**82/yr+0.0%0.0% conv. [**All search terms **](https://flapen.com/research/us/health-household/diet-food/search-terms)
## **Top diet food 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.
0%10%$11K20%$23K30%$34K40%$46K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 18 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Protein One Peanut Butter Chocolate Protein Bars GLP-1 Friendly 5 Ct 4.8 oz**Protein One**$6.53**3.6★1,811 rev](https://www.amazon.com/dp/B07B9WB1DX) [2**Protein One Strawberries and Cream Protein Bars GLP-1 Friendly 5 Ct 4.8 oz**Protein One**$5.57**3.6★2,355 rev](https://www.amazon.com/dp/B07BB3Y6BK) [3**Fiber One Chewy Protein Bars Caramel Nut Protein Snacks 1.17 oz 5 ct**Fiber One**$5.31**4.5★8,229 rev](https://www.amazon.com/dp/B00AZMJP2C) [4**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 rev](https://www.amazon.com/dp/B07DJGMZB3) [5**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 rev](https://www.amazon.com/dp/B005BTQ9JG)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**ONE Protein Bars NEW Hersheys Double Chocolate Gluten Free with 18g Protein and 3g Sugar Pantry Staples 2.12 oz (12 Pack)**ONE**$23.70**585 rev1y ago](https://www.amazon.com/dp/B0DW9DKBL2) [**ONE Protein Bars Reeses Peanut Butter Lovers Gluten Free with 18g Protein and 3g Sugar Pantry Staples 2.12 oz (12 Count)**ONE**$23.72**2,836 rev2y ago](https://www.amazon.com/dp/B0CVNCJKJJ) [**Fiber One 70 Calorie Brownies Chocolate Chip Cookie Snack Bars 2g Sugar Value Pack 12 Ct 10.6 oz**Fiber One**$5.67**4,248 rev2y ago](https://www.amazon.com/dp/B0D2M2YL58) [**Fiber One 70 Calorie Soft Baked Bars Cinnamon Coffee Cake Mega Pack 18 Ct 16 oz**Fiber One**$8.60**8,522 rev4y ago](https://www.amazon.com/dp/B0B1S75QDX) [**Protein One 90 Calorie Protein Bars Chocolate Chip Keto Friendly 5 Ct 4.8 oz (Pack of 12)**Protein One**$56.60**1,146 rev7y ago](https://www.amazon.com/dp/B07DJGMZB3)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**ONE Protein Bars NEW Hersheys Double Chocolate Gluten Free with 18g Protein and 3g Sugar Pantry Staples 2.12 oz (12 Pack)**ONE**$23.70**4.3★**▲ 42%**](https://www.amazon.com/dp/B0DW9DKBL2) [**Protein One 90 Calorie Protein Bars Chocolate Chip Keto Friendly 5 Ct 4.8 oz (Pack of 12)**Protein One**$56.60**4.1★**▲ 30%**](https://www.amazon.com/dp/B07DJGMZB3) [**Protein One Strawberries and Cream Protein Bars GLP-1 Friendly 5 Ct 4.8 oz**Protein One**$5.57**3.6★**▲ 28%**](https://www.amazon.com/dp/B07BB3Y6BK) [**Protein One Peanut Butter Chocolate Protein Bars GLP-1 Friendly 5 Ct 4.8 oz**Protein One**$6.53**3.6★**▲ 23%**](https://www.amazon.com/dp/B07B9WB1DX) [**Fiber One Chewy Bars Oats and Chocolate Fiber Snacks Value Pack 10 Ct 14.1 oz**Fiber One**$6.14**4.7★**— 8%**](https://www.amazon.com/dp/B007WTUKGQ)
**~~View all trending →~~**
## **What buyers say about diet food**
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-Overall**37%
**Ingredients-Overall**14%
**Value For Money**9%
**Storage Temperature**7%
**Ease Of Chewing/Swallowing**6%
**Flavor**4%
**Side Effects**2%
**Smell**2%
**Powdered/Crumbled**2%
**Nutritional Content**2%
## **Common questions**
- **Is diet food profitable to sell on Amazon United States?**
- The niche generates $114K/yr across 18 tracked products. 90-day search growth is +16.5%. Flapen's verdict: Skip it (49/100).
- **How competitive is the diet food niche?**
- 3 brands and 79 sellers compete. The top 5 products take 68% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in diet food?**
- Top complaints mined from reviews: Taste-Overall, Nutritional Content, Flavor. The return rate is 0.0%.
- **When does demand for diet food peak?**
- Demand is steady year-round — the busiest month runs 2.0× the quietest.
- **What does it cost to enter the diet food niche?**
- Listings span $5.26–$56.60; the average listing price is $14.06 (sweet spot $15–$100). The average incumbent carries 4,965 reviews — the moat a new listing must climb.
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