Is birthday cake protein powder profitable to sell on Amazon United States?

The niche generates $543K/yr across 15 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +17.3%. Flapen's verdict: Worth a look (57/100).

How competitive is the birthday cake protein powder niche?

10 brands and 37 sellers compete. The top 5 products take 71% of clicks and top 5 brands hold 82% of demand.

What do buyers complain about in birthday cake protein powder?

Top complaints mined from reviews: Taste-Overall, Flavor, Value For Money. The return rate is 0.0%.

When does demand for birthday cake protein powder peak?

Demand peaks in Jul–Aug–Sep; the busiest month runs 2.4× the quietest.

What does it cost to enter the birthday cake protein powder niche?

Listings span $8.90–$61.78; the average listing price is $38.36 (sweet spot $15–$100). The average incumbent carries 1,464 reviews — the moat a new listing must climb.

birthday cake protein powder

Worth a look

Shows 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

Avg price

Incredible$38.36

avg listing price — sweet spot $15–$100

Price range

Great$8.90–$61.78

cheapest to priciest tracked listing — scored on the share inside $15–$100

Market size

Good$543K

$543K/yr · 277K searches

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Conversion

Good5.1%

search→purchase rate — share of searches ending in a sale

Review moat

Good1,463.6

avg incumbent reviews — the moat a new listing must climb

Growth

Okay+17.3%

90-day search growth — must beat 0% to launch

Brand share

Okay82%

top-5 brand share — brands hold most of the demand

Competition

Bad71%

top-5 click share — a locked-up shelf

According to Flapen's Amazon United States niche tracking, birthday cake protein powder is a $543K/yr Amazon United States market (277K searches/yr). The top 5 brands hold 82% of demand. Demand peaks in Jul–Aug–Sep. Verdict: Worth a look — 57/100.

Data updated Jul 10, 2026 · scored weekly · How we score niches

birthday cake protein powder market data

Units sold / yr: 15K–20K; avg 1,000–1,250/product
Revenue / yr: $575K–$767K; units × avg price
Conversion rate: 5.1%
Avg BSR: #21
Page quality: 0%
Prime: 100%
Sponsored: 73%
Out of stock: 7.1%
Avg brand age: 68 months
Avg seller age: 132 days

Competition & brand share

The top 5 products capture 71% of clicks — a locked-up shelf that new listings rarely crack.

Brands

10 falling

Sellers

Top-5 brand share

82%

Top 20: 100%

Top-5 click share

71%

Top 20: 100%

Open market

13%

Premier Protein29%
Orgain23%
PEScience15%
Dymatize8%
RYSE Up Supplements7%
Clean Simple Eats5%
Open — no brand owns it (4 brands, 13%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +17.3% search growth over the last 90 days.

Peak months: Jul, Aug, Sep · busiest ÷ quietest = 2.4×

Open Trend

Top birthday cake protein powder search terms

birthday cake protein powder87K/yr +38.2%4.2% conv.
cake batter protein powder53K/yr +24.3%3.2% conv.
protein powder birthday cake15K/yr +25.6%3.3% conv.
premier protein cake batter18K/yr -1.1%10.3% conv.
birthday cake protein14K/yr +2.5%2.4% conv.
premier protein shake cake batter18K/yr -14.4%10.2% conv.
cake batter protein shake15K/yr -7.8%9.4% conv.
protein powder cake batter10K/yr +12.1%2.1% conv.
birthday cake protein shake9K/yr -1.3%8.4% conv.
cake batter protein6K/yr +9.4%3.6% conv.

All search terms

Top birthday cake protein powder 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 15 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Orgain Organic Vegan Protein Powder Birthday Cake - 21g Plant Based Protein 7g Prebiotic Fiber Low Net Carb No Lactose Ingredients No Added Sugar Non-GMO for Shakes & Smoothies 1.02 lb

Orgain$24.344.0★450 rev

Premier Protein Shake Cake Batter 30g Protein No Added Sugar 24 Vitamins & Minerals to Support Immune Health Gluten-Free 11.5 fl oz (12 Pack)

Premier Protein$28.314.5★6,499 rev

Premier Protein Shake Cake Batter 30g Protein No Added Sugar 24 Vitamins & Minerals to Support Immune Health 11 fl oz 4 Pack

Premier Protein$8.904.6★490 rev

PEScience Select Protein Powder Whey and Casein Blend Lean Protein Powder for Women and Men Low Calorie Low Carb Keto Friendly Gluten Free Cake Pop - 5 Servings

PEScience$13.804.4★2,905 rev

Dymatize x Birthday Cake Pebbles ISO100 Whey Protein Powder Isolate 25g of Protein 20 Servings 5.5g BCAAs 120 Cal. Gluten Free 1g Fat 1g Sugar 2g Carb

Dymatize$33.914.3★2,974 rev

Newest

by launch date

Clean Simple Eats Whey Isolate Protein Powder Cake Batter Naturally Sweetened Zero Added Sugar 20g 100% Grass Fed Protein Powder with Digestive Enzymes Gluten Free Non GMO 30 Servings

Clean Simple Eats$59.0714 rev

5mo ago

Clean Simple Eats Whey Isolate Protein Powder Variety Pack Naturally Sweetened Zero Added Sugar 20g 100% GrassFed Protein Powder with Digestive Enzymes GlutenFree Non GMO 10 Single Serve Pack

Clean Simple Eats$32.13929 rev

1y ago

Orgain Organic Vegan Protein Powder Birthday Cake - 21g Plant Based Protein 7g Prebiotic Fiber Low Net Carb No Lactose Ingredients No Added Sugar Non-GMO for Shakes & Smoothies 1.02 lb

Orgain$24.34450 rev

1y ago

RYSE Loaded Protein Powder - Jet-Puffed Birthday Cake - 25g Whey Protein Isolate & Concentrate with Prebiotic Fiber & MCTs - Low Carb Low Sugar Digestive-Friendly - 27 Servings / 2 lb Tub

RYSE Up Supplements$44.68248 rev

3y ago

Clean Simple Eats Whey Protein Powder Simply Vanilla Flavor Naturally Sweetened 100% Grass Fed Protein Powder with Digestive Enzymes & No Artificial Ingredients Gluten Free 30 Servings

Clean Simple Eats$61.241,313 rev

3y ago

What buyers say about birthday cake protein powder

What buyers praise and complain about, mined from review topics.

What buyers love

Taste-Overall28%

“This is so tasty”

Flavor20%

“Fun flavor”

Nutritional Content19%

“Excellent Protein Powder”

Quality-Overall3%

“Excellent product”

Blend/Ratio3%

“mix well”

Solubility2%

“Mixes easily”

Sweetness2%

“It's the perfect amount of sweet”

Value For Money1%

“Great Value”

Baking1%

“Its perfect for baking”

Ease Of Use1%

“Easy to use”

What buyers complain about

Taste-Overall24%

“Artificial aftertaste”

Flavor13%

“Flavor is gross”

Value For Money7%

“Not worth the price”

Sweetness6%

“Also it has a weird fake sweet aftertaste”

Nutritional Content4%

“I am not a fan of drinking protein”

Texture/Consistency-Overall3%

“Texture is also kind of odd”

Artificial Sweeteners3%

“artificial taste to it”

Acid Regulator/Stomach Ache Relief1%

“Upsets stomach”

Quality-Overall1%

“Garbage”

Natural Ingredients1%

“gross and artificial disgusting”

Common questions

Is birthday cake protein powder profitable to sell on Amazon United States?: The niche generates $543K/yr across 15 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +17.3%. Flapen's verdict: Worth a look (57/100).
How competitive is the birthday cake protein powder niche?: 10 brands and 37 sellers compete. The top 5 products take 71% of clicks and top 5 brands hold 82% of demand.
What do buyers complain about in birthday cake protein powder?: Top complaints mined from reviews: Taste-Overall, Flavor, Value For Money. The return rate is 0.0%.
When does demand for birthday cake protein powder peak?: Demand peaks in Jul–Aug–Sep; the busiest month runs 2.4× the quietest.
What does it cost to enter the birthday cake protein powder niche?: Listings span $8.90–$61.78; the average listing price is $38.36 (sweet spot $15–$100). The average incumbent carries 1,464 reviews — the moat a new listing must climb.