protein cake
Worth a lookShows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Market size
Incredible$2.4M$2.4M/yr · 1.4M searches
Avg price
Incredible$24.29avg listing price — sweet spot $15–$100
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Conversion
Great7.2%search→purchase rate — share of searches ending in a sale
Price range
Great$6.60–$39.84cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Good53%top-5 click share — leaders hold, buyers still browse
Review moat
Okay2,842.33avg incumbent reviews — the moat a new listing must climb
Growth
Bad-19.9%90-day search growth — must beat 0% to launch
Brand share
Bad100%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
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.Top protein cake search terms
- prime bites326K/yr
- quest cookies328K/yr
- prime bites protein brownies192K/yr
- protein brownies149K/yr
- protein brownie83K/yr
- quest protein cookies63K/yr
- quest cookie43K/yr
- quest bake shop29K/yr
- quest frosted cookies28K/yr
- protein cake19K/yr
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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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$37.763.6★1,172 rev
Quest Nutrition Chocolate Chip Protein Cookie 15g Protein 1g Sugar 2g Net Carbs Keto Friendly High Protein Low Carb; 12 Count
Quest$23.624.3★23,977 rev
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$36.024.2★290 rev
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$37.873.5★288 rev
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$38.024.6★191 rev
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$39.3830 rev
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$39.8424 rev
Quest Nutrition Bake Shop Chocolate Brownies 10g Protein 2g Net Carbs 1g Sugar 4 Count
Quest$6.601,520 rev
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$38.1720 rev
Quest Nutrition Frosted Protein Cookies Strawberry Cake <1g Sugar 5g Protein 1g Net Carbs Gluten Free 8 Cookies
Quest$8.751,993 rev
Trending
90-day click momentumPrime Bites Rice Treat Variety Pack (12 Pack) Vanilla Chocolate Strawberries & Cream - Protein Snack 19g of Protein Seed Oil Free
Alpha Prime Supplements$39.382.9★
Quest Nutrition Double Chocolate Chip Protein Cookie 15g Protein 1g Sugar 3g Net Carbs Keto Friendly High Protein Low Carb; 4 Count
Quest$7.964.5★
Quest Nutrition White Chocolate Macadamia Protein Cookie 15g Protein 1g Sugar 2g Net Carbs Keto Friendly High Protein Low Carb; 12 Count
Quest$21.244.3★
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$39.844.3★
Quest Nutrition Peanut Butter Chocolate Chip High Protein Cookie Keto Friendly Low Carb 24.5 Oz 12 count (Pack of 1)
Quest$21.384.2★
What buyers say about protein cake
What buyers praise and complain about, mined from review topics.What buyers love
“Amazing taste”
“High Protein”
“The flavor is mild”
“Really sweet and delicious”
“Great muffins”
“are well made”
“Worth it”
“Delivered fresh, moist and had a great taste”
“The texture was soft”
“Nice and soft”
What buyers complain about
“Artificial taste”
“They were completely dried out”
“Lack of flavor”
“A little expensive”
“are high in calorie”
“Texture is weird”
“Smells awful”
“Hard and crumbly”
“Tough to chew”
“These are gross”
Top return reasons
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.