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Casein Protein Powder

Maybe

Returns run at only 0.1% of orders. But the top 5 brands take 95% of clicks, so Casein Protein Powder is a Maybe.

Flapen Score
54
54 / 100
Top 25% of 2,035 Health & Personal Care niches · +6 vs the category median of 48
Market size
£206K/yr301K searches / yr
90-day growth
-16.7%search demand this quarter
Competition
37%top-5 click share · 12 brands · 59 sellers

Flapen Score

Casein Protein Powder against its category

The dotted line is the Health & Personal Care average. Past it, Casein Protein Powder is stronger. Inside it, weaker.

54Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Casein Protein Powder market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Casein Protein Powder 301K times last year and spent an estimated £206K. The top 5 brands take 95% of clicks. Demand peaks in Mar–Apr–May. Flapen scores it 54 out of 100, a Maybe.

01 · Demand

2.6% of searches ended in a purchase last week.

Shoppers searched for this 301K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. In the latest week, 2.6% of those searches ended in a purchase. Searches in the last 90 days moved -16.7% against the 90 days before. Searches, conversion and average price together put the market at an estimated £206K a year.

Searches, last 12 months
301K
Growth, 90 days vs prior 90
-16.7%
Conversion, latest week
2.6%
Market size, estimated
£206Ka year
Peak month
March2.7× the quietest month
Top search term
casein protein powder72K searches a year

02 · Price

A sale here is worth £26.64.

Listings sell for £26.64 on average, from £9.58 to £56.89. Amazon reports units sold in ranges. This niche sold 13K to 15K a year. The average listing sells 100 to 250 of them. At £26.64 that is £3K to £7K a year per listing.

Average price
£26.64inside the $15 to $100 sweet spot
Price range
£9.58–£56.89
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
13K–15K
Units per listing a year
100–250
Revenue per listing a year
£3K–£7K
Returns
0.1%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is reviews.

43% of listings pay for placement with sponsored ads. 90% ship with Prime. On an average day, 20.4% of listings are out of stock. The average listing ranks #118 within Diet & Nutrition. It carries 1,600 reviews at 4.30 stars, so a new listing needs social proof before a better product.

Sponsored listings
43%
Prime listings
90%
Out of stock, average day
20.4%
Average rank
#118in Diet & Nutrition
Average rating
4.30 starsAmazon United Kingdom average 4.36 stars
Average reviews
1,600per listing
Listings tracked
40

04 · Newcomers

Amazon counts 1 of last year's 2 launches as successful.

2 products launched here in the last 12 months. Amazon counts 1 of them as successful launches, new products that hit its first-year sales bar. The brands on the shelf have sold for 72 months on average, so the names here are established.

Launched, last 12 months
2
Successful launches
1Amazon's first-year sales bar
Average brand age
72 months

Products

Top Casein Protein Powder products & what they sell for

Every tracked product: its share of the shelf, its reviews, and its price.

Competition

Competition: brands, sellers & click share

The top 5 products take only 37% of clicks. An open shelf where new products get seen.

£0£6K£12K£19K£25K101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

12 rising

Sellers

59

Top-5 brand share

95%

Top 20: 100%

Top-5 click share

37%

Top 20: 83%

Open market

4%

  • Premium Body Nutrition46%
  • Optimum Nutrition18%
  • Applied Nutrition15%
  • Bulk14%
  • BULK POWDERS2%
  • Dymatize1%
  • Open — no brand owns it (6 brands, 4%)

Demand

Casein Protein Powder search demand

Weekly searches over the year, seasonality beneath. Pick a range.

7K5KSpike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Mar, Apr, May · busiest ÷ quietest = 2.7×

Search terms

Top Casein Protein Powder search terms shoppers use

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

  • casein protein powder72K/yr
  • pbn protein powder81K/yr
  • casein protein25K/yr
  • casein26K/yr
  • pbn whey protein23K/yr
  • pbn13K/yr
  • casein powder8K/yr
  • pbn protein6K/yr
  • micellar casein6K/yr
  • pbn whey protein powder4K/yr

Reviews and returns

What reviews say buyers love and hate about Casein Protein Powder

What buyers praise, what they complain about and why they send it back, from the reviews.

Complain

Taste-Overall22%−0.19

not as tasty

has a weird taste

Horrible taste

Nutritional Content8%+0.99

Nutritional information incorrect

And considerably less protein

had to comment to say how poor this protein powder is - avoid

Flavor7%

Absolutely disgusting, banana flavour

choc flavour not that good

Bad flavour

Texture/Consistency-Overall7%−0.13

Unpleasant Texture

Awful texture

a slightly chalky texture

Sweetness3%−0.05

Sugar 0

Too sweet

It tastes so nice before now its unsinkable just sickly sweet

Love

Taste-Overall19%−0.19

ABSOLUTELY DELICIOUS

it actually tastes refreshing

Great chocolate taste

Nutritional Content18%+0.99

Excellent protein powders

decent amount of protein

Decent protein

Quality-Overall10%+1.27

Excellent product

it feels like a well-made, straightforward product

The powder itself is excellent quality

Value For Money10%+0.69

Good value for money

Great Value

Good Deal

Flavor8%

Love the vanilla flavour

the flavour is natural

Great flavour

FAQ

Common Casein Protein Powder questions

Answered from the same tracked data.