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Protein Milk

brand-locked demand (top 5 brands take 99% of clicks) — Protein Milk doesn't clear our bar today.

Flapen Score

38
Skip it
Market size 12Growth 23Conversion 75Competition 29Returns 100Price range 21Avg price 24Brand share 3Review moat 73Quality gap 48
This niche Category average

Is Protein Milk profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Protein Milk is a £46K/yr Amazon United Kingdom market (78K searches/yr). The top 5 brands hold 99% of demand. Verdict: Skip it — 38/100.

Protein Milk: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved -4.7% over the last 90 days and 7.0% of searches end in a purchase.

£46K

revenue / yr

Units sold / yr13K
Search volume / yr-4.7%78K
Conversion rate7.0%
Avg price£8.53

Who owns the niche?

The top 5 brands hold 99% of demand, so 1% of the market is open.

1%

open market share

Brands · sellers6 · 67
Top-5 product click share68%
Open market1%
Avg brand age61 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 · 19 products

Sponsored placement53%
New entrants (1y)3· 2 succeeded
Avg rating4.5★
Avg reviews585

Top Protein Milk 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 take 68% of clicks — established leaders, but buyers still shop beyond them.

£0£5K£9K£14K£18K1101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

6 flat

Sellers

67

Top-5 brand share

99%

Top 20: 100%

Top-5 click share

68%

Top 20: 100%

Open market

0%

  • Alpro83%
  • Sproud10%
  • KoalaKoi3%
  • Kallo2%
  • Grenade2%
  • Pro Mlk1%

Protein Milk demand & seasonality

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

Volume78KCVR7.0%Products19Brands6Top 5 Brands99%OOS Rate5.3%Rating4.5★Reviews585Avg BSR#70
2K1KSpike '26Dec '25Jan '26Feb '26Mar '26Apr '26May '26Jul '26

Top Protein Milk search terms shoppers use

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

  • protein milk37K/yr
  • alpro protein8K/yr
  • alpro chocolate milk13K/yr
  • high protein milk6K/yr
  • alpro protein milk7K/yr
  • alpro chocolate4K/yr
  • milk protein2K/yr

What reviews say buyers love and hate about Protein Milk

What buyers mention most, as a share of all reviews.

What buyers love

78% of reviews
Taste-Overall31%

Great taste

Nutritional Content15%

Amazing for protein

Flavor10%

the flavour is comforting

Texture/Consistency-Overall4%

Smooth consistency

Sweetness4%

Very sweet

What buyers complain about

50% of reviews
Taste-Overall13%

it now tastes cheap

Value For Money10%

Waste of money

Sweetness6%

It does not taste overly sweet

Nutritional Content5%

so this isn't a product I would choose if I were dieting or for extreme circumstances like recovering from illness or as hiking supplies

Thickness5%

The drink is fairly thick

Protein Milk return rate & reasons

Why buyers send it back, as a share of all return requests.

0.0%

Return rate

0%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Leak-Proof
100%

Common Protein Milk questions

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

Flapen scores Protein Milk 38/100 on Amazon United Kingdom — Skip it. The niche generates £46K/yr across 19 tracked products. 2 of 3 products launched in the last 360 days are still selling. Search demand moved -4.7% over the last 90 days.
Protein Milk buyers on Amazon United Kingdom complain most about Taste-Overall, Value For Money, Sweetness, the themes mined from the niche's reviews. Its return rate is 0.0%.