Is kirkland protein bars profitable to sell on Amazon United States?

The niche generates $302K/yr across 9 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -13.5%. Flapen's verdict: Skip it (46/100).

How competitive is the kirkland protein bars niche?

5 brands and 77 sellers compete. The top 5 products take 87% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in kirkland protein bars?

Top complaints mined from reviews: Taste-Overall, Ease Of Chewing/Swallowing, Nutritional Content. The return rate is 0.0%.

When does demand for kirkland protein bars peak?

Demand is steady year-round — the busiest month runs 1.6× the quietest.

What does it cost to enter the kirkland protein bars niche?

Listings span $13.59–$64.50; the average listing price is $38.59 (sweet spot $15–$100). The average incumbent carries 2,302 reviews — the moat a new listing must climb.

Kirkland Protein Bars

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Incredible$38.59

avg listing price — sweet spot $15–$100

Price range

Great$13.59–$64.50

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

Conversion

Good5.8%

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Market size

Good$302K

$302K/yr · 135K searches

Review moat

Okay2,302.44

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-13.5%

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

Competition

Bad87%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Is kirkland protein bars profitable on Amazon?

According to Flapen's Amazon United States niche tracking, kirkland protein bars is a $302K/yr Amazon United States market (135K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 46/100.

Data updated Jul 8, 2026 · scored weekly · How we score niches

kirkland protein bars market size & sales

Units sold, revenue, conversion and listing quality across the tracked shelf.

Units sold / yr: 8K–10K; avg 750–1,000/product
Revenue / yr: $309K–$386K; units × avg price
Conversion rate: 5.8%
Avg BSR: #408
Page quality: 0%
Prime: 11%
Sponsored: 44%
Out of stock: 0.0%
Avg brand age: 83 months
Avg seller age: 132 days

Competition: brands, sellers & click share

The top 5 products capture 87% of clicks — a locked-up shelf that new listings rarely crack.

Brands

5 rising

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

87%

Top 20: 100%

Open market

KIRKLAND82%
Cemueo9%
Pure Protein4%
home stuff3%
Generic3%

kirkland protein bars demand & seasonality

Weekly Amazon search volume, last 92 weeks — -13.5% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.6×

Open Trend

Top kirkland protein bars search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

kirkland protein bars102K/yr -16.5%5.1% conv.
costco protein bars7K/yr +6.0%2.4% conv.
kirkland signature protein bars6K/yr -6.6%3.7% conv.
kirkland protein4K/yr +53.0%1.7% conv.
kirkland protein bar5K/yr -4.6%3.5% conv.
protein bars kirkland5K/yr -17.2%5.4% conv.
kirkland bars4K/yr -13.6%2.5% conv.
kirkland protein bars peanut butter3K/yr -41.0%3.3% conv.

All search terms

Top kirkland protein bars products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

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

Top sellers

by 90-day click share

Kirkland Signature Protein Bar Variety Pack 20 Count Chocolate Peanut Butter Chunk & Cookies and Cream Gluten Free 21-22g of Protein 2g Sugar No Artificial Flavors Whey Protein Isolate

KIRKLAND$35.704.0★280 rev

Kirkland Signature Protein bar Energy Variety Pack (Family Bundle)

KIRKLAND$64.504.2★51 rev

Kirkland Signature Protein Bars Chocolate Brownie 2.12 oz 20-count

KIRKLAND$42.364.4★397 rev

Kirkland Signature Protein bar energy variety pack 20 Count

KIRKLAND$33.284.3★3,476 rev

Bulk Pack Protein Bars (Kirkland Signature Chocolate Chip Cookie Dough 20-Pack)

Cemueo$36.014.0★207 rev

Newest

by launch date

Kirk Lands Signature Protein Bar;10-Chocolate Brownie and 10-Chocolate Chip Cookie Dough 20 Count Gluten-Free 21g Protein 10g Fiber;Updated packaging and Ingredients; 1 pack

Generic$39.122 rev

8mo ago

Chewy Protein Bars Peanut Butter & Semisweet Chocolate Chip Quality Kirkland Gluten Free 10g Protein 1.41 oz 42 Count

home stuff$43.734 rev

1y ago

Kirkland Signature Protein bar Energy Variety Pack (Family Bundle)

KIRKLAND$64.5051 rev

6y ago

Kirkland Signature Protein Bar Variety Pack 20 Count Chocolate Peanut Butter Chunk & Cookies and Cream Gluten Free 21-22g of Protein 2g Sugar No Artificial Flavors Whey Protein Isolate

KIRKLAND$35.70280 rev

6y ago

Bulk Pack Protein Bars (Kirkland Signature Chocolate Chip Cookie Dough 20-Pack)

Cemueo$36.01207 rev

7y ago

What reviews say buyers love and hate about kirkland protein bars

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

What buyers love

Nutritional Content28%

“Pure Protein”

Taste-Overall27%

“Great chocolate taste”

Flavor10%

“Like the chocolate flavor”

Value For Money5%

“reasonably priced”

Quality-Overall5%

“Excellent product”

Ease Of Chewing/Swallowing3%

“Very chewy”

Sweetness2%

“Chocolatey”

Texture/Consistency-Overall2%

“Decent enough texture”

Ease Of Use1%

“Convenient snack”

Ingredients-Overall1%

“Good quality, clean ingredients”

What buyers complain about

Taste-Overall30%

“Tastes like cardboard”

Ease Of Chewing/Swallowing8%

“very chewy”

Nutritional Content7%

“I don't care how much protein it has in it If I can't eat it it's not worth buying”

Value For Money5%

“Bit pricy”

Texture/Consistency-Overall5%

“The texture is not good”

Flavor4%

“Flavor is not that good”

Stale/Rotten/Spoiled3%

“My guess is they'd passed through some extreme conditions that changed their characteristics”

Size-Overall3%

“They're getting smaller”

Hard Feel2%

“Not as soft as the peanut butter varieties”

Regulates Digestion2%

“Constipated”

Top return reasons

Taste-Overall24%

Value For Money17%

Flavor14%

Vegan/Organic8%

Product Condition6%

Certifications6%

Joint Pain4%

Stale/Rotten/Spoiled4%

Quality-Overall3%

Ingredients-Overall3%

Common kirkland protein bars questions

Is kirkland protein bars profitable to sell on Amazon United States?: The niche generates $302K/yr across 9 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -13.5%. Flapen's verdict: Skip it (46/100).
How competitive is the kirkland protein bars niche?: 5 brands and 77 sellers compete. The top 5 products take 87% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in kirkland protein bars?: Top complaints mined from reviews: Taste-Overall, Ease Of Chewing/Swallowing, Nutritional Content. The return rate is 0.0%.
When does demand for kirkland protein bars peak?: Demand is steady year-round — the busiest month runs 1.6× the quietest.
What does it cost to enter the kirkland protein bars niche?: Listings span $13.59–$64.50; the average listing price is $38.59 (sweet spot $15–$100). The average incumbent carries 2,302 reviews — the moat a new listing must climb.