---
title: "Protein Cake — $2.4M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/protein-cake"
last_updated: "2026-08-10T18:56:11.300Z"
locale: en
meta:
description: "Niche score 61/100 · $2.4M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 61/100 · $2.4M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Protein Cake — $2.4M/yr Amazon US Niche (2026) - Flapen"
---
# **protein cake**
**Worth a look**
Shows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 95Growth 15Conversion 76Competition 53Returns 100Price range 75Avg price 95Brand share 0Review moat 37Quality gap 87
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Market size**
**Incredible****$2.4M**
$2.4M/yr · 1.4M searches
**Avg price**
**Incredible****$24.29**
avg listing price — sweet spot $15–$100
**Quality gap**
**Great****4.1★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Great****7.2%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Great****$6.60–$39.84**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Good****53%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Okay****2,842.33**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-19.9%**
90-day search growth — must beat 0% to launch
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, protein cake is a $2.4M/yr Amazon United States market (1.4M searches/yr). The top 5 brands hold 100% of demand. Verdict: Worth a look — 61/100.
Data updated Jul 8, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **protein cake market data**
- **Units sold / yr**
- **100K–125K**
- avg 4,000–5,000/product
- **Revenue / yr**
- **$2.4M–$3.0M**
- units × avg price
- **Conversion rate**
- **7.2%**
- **Avg BSR**
- **#99**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **78%**
- **Out of stock**
- **5.5%**
- **Avg brand age**
- **59 months**
- **Avg seller age**
- **120 days**
## **Competition & brand share**
The top 5 products take 53% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**4 **▲rising
**Sellers**
**51**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**53%**
Top 20: 91%
**Open market**
**0%**
- Alpha Prime Supplements50% - Quest45% - AP Sports Regimen4% - Pure Protein2%
## **Demand**
Weekly Amazon search volume, last 40 weeks — -19.9% search growth over the last 90 days.
35K25KHoliday '25Spike '26Oct '25Nov '25Dec '25Feb '26Mar '26May '26Jun '26
[**Open Trend **](https://flapen.com/research/us/health-household/protein-cake/trend)
## **Top protein cake search terms**
- **prime bites**326K/yr-27.0%3.3% conv. - **quest cookies**328K/yr-6.0%13.5% conv. - **prime bites protein brownies**192K/yr-30.4%4.0% conv. - **protein brownies**149K/yr-25.6%2.5% conv. - **protein brownie**83K/yr-10.8%1.9% conv. - **quest protein cookies**63K/yr-4.6%11.3% conv. - **quest cookie**43K/yr+2.1%12.6% conv. - **quest bake shop**29K/yr-10.9%7.1% conv. - **quest frosted cookies**28K/yr+3.5%5.8% conv. - **protein cake**19K/yr+0.2%0.6% conv. [**All search terms **](https://flapen.com/research/us/health-household/protein-cake/search-terms)
## **Top protein cake 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%$239K20%$478K30%$717K40%$956K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Prime Bites High Protein Brownie (12 Per Box Variety Pack) - 19g of Protein 5g of Collagen Gluten Free Low Sugar Treat Delicious Protein Snack**Alpha Prime Supplements**$37.76**3.6★1,172 rev](https://www.amazon.com/dp/B0B3PMFJL3) [2**Quest Nutrition Chocolate Chip Protein Cookie 15g Protein 1g Sugar 2g Net Carbs Keto Friendly High Protein Low Carb; 12 Count**Quest**$23.62**4.3★23,977 rev](https://www.amazon.com/dp/B077QK3NX4) [3**Prime Bites High Protein Brownie (12 Per Box Chocolate Glazed Donut) - 19g of Protein 5g of Collagen Gluten Free Low Sugar Treat Delicious Protein Snack**Alpha Prime Supplements**$36.02**4.2★290 rev](https://www.amazon.com/dp/B0C3J76KVT) [4**Prime Bites Minis - High Protein Muffin (12 Per Box Variety Pack) - 15g of Protein 5g of Collagen Gluten Free Low Sugar Treat Delicious Protein Snack**Alpha Prime Supplements**$37.87**3.5★288 rev](https://www.amazon.com/dp/B0DRVMVH7V) [5**Prime Bites High Protein Brownie (12 Per Box Chocolate Cookie Monster) - 19g of Protein 5g of Collagen Gluten Free Low Sugar Treat Delicious Protein Snack**Alpha Prime Supplements**$38.02**4.6★191 rev](https://www.amazon.com/dp/B0CMRWVDDS)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Prime Bites Rice Treat Variety Pack (12 Pack) Vanilla Chocolate Strawberries & Cream - Protein Snack 19g of Protein Seed Oil Free**Alpha Prime Supplements**$39.38**30 rev3mo ago](https://www.amazon.com/dp/B0GSXBXVKZ) [**Prime Bites Protein Brownie from Alpha Prime Supplements | High Protein Collagen Fortified Low Sugar Treat | Delicious Snack | 12 Bars per Box (Red Velvet)**AP Sports Regimen**$39.84**24 rev10mo ago](https://www.amazon.com/dp/B0FN7NXPPG) [**Quest Nutrition Bake Shop Chocolate Brownies 10g Protein 2g Net Carbs 1g Sugar 4 Count**Quest**$6.60**1,520 rev1y ago](https://www.amazon.com/dp/B0F167Q7ZD) [**Prime Bites Protein Brownie from Alpha Prime Supplements | High Protein Collagen Fortified Low Sugar Treat | Delicious Snack | 12 Bars per Box (Peanut Butter and Jelly)**AP Sports Regimen**$38.17**20 rev1y ago](https://www.amazon.com/dp/B0FN7MP9TP) [**Quest Nutrition Frosted Protein Cookies Strawberry Cake <1g Sugar 5g Protein 1g Net Carbs Gluten Free 8 Cookies**Quest**$8.75**1,993 rev1y ago](https://www.amazon.com/dp/B0CVBM67XQ)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Prime Bites Rice Treat Variety Pack (12 Pack) Vanilla Chocolate Strawberries & Cream - Protein Snack 19g of Protein Seed Oil Free**Alpha Prime Supplements**$39.38**2.9★**▲ 307%**](https://www.amazon.com/dp/B0GSXBXVKZ) [**Quest Nutrition Double Chocolate Chip Protein Cookie 15g Protein 1g Sugar 3g Net Carbs Keto Friendly High Protein Low Carb; 4 Count**Quest**$7.96**4.5★**▲ 148%**](https://www.amazon.com/dp/B07BBYD85M) [**Quest Nutrition White Chocolate Macadamia Protein Cookie 15g Protein 1g Sugar 2g Net Carbs Keto Friendly High Protein Low Carb; 12 Count**Quest**$21.24**4.3★**▲ 135%**](https://www.amazon.com/dp/B0D9HV8SZ1) [**Prime Bites Protein Brownie from Alpha Prime Supplements | High Protein Collagen Fortified Low Sugar Treat | Delicious Snack | 12 Bars per Box (Red Velvet)**AP Sports Regimen**$39.84**4.3★**▲ 99%**](https://www.amazon.com/dp/B0FN7NXPPG) [**Quest Nutrition Peanut Butter Chocolate Chip High Protein Cookie Keto Friendly Low Carb 24.5 Oz 12 count (Pack of 1)**Quest**$21.38**4.2★**▲ 73%**](https://www.amazon.com/dp/B07HFWFQKJ)
**~~View all trending →~~**
## **What buyers say about protein cake**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Taste-Overall**35%
*“Amazing taste”*
**Nutritional Content**18%
*“High Protein”*
**Flavor**9%
*“The flavor is mild”*
**Sweetness**6%
*“Really sweet and delicious”*
**Baking**4%
*“Great muffins”*
**Quality-Overall**3%
*“are well made”*
**Value For Money**2%
*“Worth it”*
**Freshness**2%
*“Delivered fresh, moist and had a great taste”*
**Texture/Consistency-Overall**1%
*“The texture was soft”*
**Soft Feel**1%
*“Nice and soft”*
### **What buyers complain about **
**Taste-Overall**27%
*“Artificial taste”*
**Moist/Dry**6%
*“They were completely dried out”*
**Flavor**6%
*“Lack of flavor”*
**Value For Money**6%
*“A little expensive”*
**Nutritional Content**5%
*“are high in calorie”*
**Texture/Consistency-Overall**4%
*“Texture is weird”*
**Smell**4%
*“Smells awful”*
**Hard Feel**3%
*“Hard and crumbly”*
**Ease Of Chewing/Swallowing**3%
*“Tough to chew”*
**Stale/Rotten/Spoiled**2%
*“These are gross”*
### **Top return reasons **
**Taste-Overall**40%
**Flavor**13%
**Ingredients-Overall**6%
**Advertised Vs Actual Product**6%
**Stale/Rotten/Spoiled**5%
**Moist/Dry**4%
**Texture/Consistency-Overall**3%
**Nutritional Content**2%
**Value For Money**2%
**Accuracy-Overall**2%
## **Common questions**
- **Is protein cake profitable to sell on Amazon United States?**
- The niche generates $2.4M/yr across 27 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is -19.9%. Flapen's verdict: Worth a look (61/100).
- **How competitive is the protein cake niche?**
- 4 brands and 51 sellers compete. The top 5 products take 53% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in protein cake?**
- Top complaints mined from reviews: Taste-Overall, Moist/Dry, Flavor. The return rate is 0.0%.
- **What does it cost to enter the protein cake niche?**
- Listings span $6.60–$39.84; the average listing price is $24.29 (sweet spot $15–$100). The average incumbent carries 2,842 reviews — the moat a new listing must climb.
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