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protein milk

Skip it

Brand-locked demand (top 5 brands take 99% of clicks) — this niche doesn't clear our bar today.

Market size 12Growth 23Conversion 75Competition 29Returns 100Price range 21Avg price 24Brand share 3Review moat 73Quality gap 48

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Conversion

Good7.0%

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

Review moat

Good585.47

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Competition

Okay68%

top-5 click share — leaders hold, buyers still browse

Avg price

Bad£8.53

avg listing price — sweet spot $15–$100

Growth

Bad-4.7%

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

Price range

Bad£1.20–£18.76

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

Market size

Bad£46K

£46K/yr · 78K searches

Brand share

Bad99%

top-5 brand share — brand-locked demand

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.

Data updated Jul 24, 2026 · scored weekly · How we score niches

protein milk market data

Units sold / yr
10K–13K
avg 500–750/product
Revenue / yr
£85K–£107K
units × avg price
Conversion rate
7.0%
Avg BSR
#70
Page quality
0%
Prime
89%
Sponsored
53%
Out of stock
5.3%
Avg brand age
61 months
Avg seller age
167 days

Competition & brand share

The top 5 products take 68% of clicks — established leaders, but buyers still shop beyond them.

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%

Demand

Weekly Amazon search volume, last 33 weeks — -4.7% search growth over the last 90 days.
2K1KSpike '26Dec '25Jan '26Feb '26Mar '26Apr '26May '26Jul '26

Top protein milk search terms

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

Top protein milk 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.

0%10%£5K20%£9K30%£14K40%£18K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 19 tracked products in this niche — three views at once, no toggling.

What buyers say about protein milk

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

What buyers love

Taste-Overall31%

“Great taste”

Nutritional Content15%

“Amazing for protein”

Flavor10%

“the flavour is comforting”

Texture/Consistency-Overall4%

“Smooth consistency”

Sweetness4%

“Very sweet”

Vegan/Organic4%

“They're vegan friendly and packed with vitamins and protein”

Value For Money3%

“Best price I have found for this pack”

Quality-Overall3%

“Quality”

Advertised Vs Actual Product2%

“This product is exactly what I bought”

Soft Feel2%

“The texture is really smooth”

What buyers complain about

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”

Bitter3%

“Absolutely disgusting with a slight bitter aftertaste”

Flavor2%

“Compared to my usual huel banana flavour this is nowhere near as good”

Powdered/Crumbled2%

“Curdled in coffee”

Durability2%

“Milk doesnt last”

Smell2%

“It was truly horrible, chemical /chlorinated taste and smell”

Top return reasons

Leak-Proof100%

Common questions

Is protein milk profitable to sell on Amazon United Kingdom?
The niche generates £46K/yr across 19 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is -4.7%. Flapen's verdict: Skip it (38/100).
How competitive is the protein milk niche?
6 brands and 67 sellers compete. The top 5 products take 68% of clicks and top 5 brands hold 99% of demand.
What do buyers complain about in protein milk?
Top complaints mined from reviews: Taste-Overall, Value For Money, Sweetness. The return rate is 0.0%.
What does it cost to enter the protein milk niche?
Listings span £1.20–£18.76; the average listing price is £8.53 (sweet spot $15–$100). The average incumbent carries 585 reviews — the moat a new listing must climb.