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Casein

a small market ($0/yr) — Casein doesn't clear our bar today.

Flapen Score

26
Skip it

Ranks 184 of 198 Health, Household and Personal Care niches · −11 vs the category median of 37

Market size 0Growth 10Conversion 0Competition 0Returns 100Price range 89Avg price 83Brand share 0Review moat 39Quality gap 42
This niche Category average · 198 niches

Is Casein profitable on Amazon?

According to Flapen's Amazon Singapore niche tracking, Casein is a $0/yr Amazon Singapore market (2K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jul–Oct. Verdict: Skip it — 26/100.

Casein: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved -30.4% over the last 90 days and 0.0% of searches end in a purchase.

$0

revenue / yr

Units sold / yr100
Search volume / yr-30.4%2K
Conversion rate0.0%
Avg price$76.80

Who owns the niche?

The top 5 brands hold 100% of demand, so 0% of the market is open.

0%

open market share

Brands · sellers3 · 6
Top-5 product click share100%
Open market0%
Avg brand age130 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.5★ — the gap to enter on.

0/100

page quality · 4 products

Sponsored placement0%
New entrants (1y)0· 0 succeeded
Avg rating4.5★
Avg reviews2,642

Top Casein products & what they sell for

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

Competition: brands, sellers & click share

The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.

$0$0$0$0$01K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

3 falling

Sellers

6

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

100%

Top 20: 100%

Open market

0%

  • Optimum Nutrition61%
  • Dymatize22%
  • Nutricost16%

Casein demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume2KCVR0.0%Products4Brands3Top 5 Brands100%OOS Rate9.5%Rating4.5★Reviews2,642Avg BSR#50
150100Spike '24Holiday '24Spike '25Prime Day '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jul, Oct · busiest ÷ quietest = 2.0×

Common Casein questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Casein 26/100 on Amazon Singapore — Skip it. The niche generates $0/yr across 4 tracked products. Search demand moved -30.4% over the last 90 days.
Search demand for Casein on Amazon Singapore peaks in Jul–Oct, where the busiest month runs 2.0× the quietest.