Casein Protein Powder
MaybeAn estimated 0.1% of orders come back. But the top 5 brands take 95% of clicks, so Casein Protein Powder is a Maybe.
- Flapen Score
- 54 / 100Top 25% of 2,035 Health & Personal Care niches · +6 vs the category median of 4854
- 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.
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
An estimated 2.6% of those searches ended in a purchase.
Shoppers searched for this 301K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 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
1 of last year's 2 launches cleared the first-year sales bar.
2 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. 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
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 24, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
PBN - Premium Body Nutrition Micellar Casein Chocolate 1kg Pouch
- Price
- £12.67
- Rating
- 4.2/5
- Reviews
- 1,117
- Age
- 6y ago

Optimum Nutrition Gold Standard Casein Slow Digesting Protein Powder with Zinc Magnesium and Naturally Occurring Glutamine and Amino Acids Cookies & Cream 28 Servings 0.92 kg Packaging May Vary
- Price
- £31.69
- Rating
- 4.5/5
- Reviews
- 473
- Age
- 11y ago

Applied Nutrition Casein Protein Powder - Micellar Casein Supplement Slow Release Protein (900g - 30 Servings) (Vanilla Cream)
- Price
- £20.28
- Rating
- 4.4/5
- Reviews
- 66
- Age
- 3y ago

PBN - Premium Body Nutrition Micellar Casein 2kg Strawberry
- Price
- £25.15
- Rating
- 4.1/5
- Reviews
- 269
- Age
- 6y ago

PBN - Premium Body Nutrition Micellar Casein 2kg Vanilla
- Price
- £23.08
- Rating
- 4.3/5
- Reviews
- 694
- Age
- 6y ago
Trending
estimated 90-day click momentum
PBN - Premium Body Nutrition Micellar Casein Vanilla 1kg Pouch
- Price
- £13.60
- Rating
- 4.4/5
- Reviews
- 820
- Age
- 6y ago

PBN - Premium Body Nutrition Whey Protein Powder 2.27kg Cookies & Cream
- Price
- £29.74
- Rating
- 4.4/5
- Reviews
- 869
- Age
- 6y ago

PBN - Premium Body Nutrition - Whey-Isolate Protein Powder 1kg Cookies & Cream - 33 Servings
- Price
- £22.71
- Rating
- 4.2/5
- Reviews
- 338
- Age
- 6y ago

Applied Nutrition Casein Protein Powder - Micellar Casein Supplement Slow Release Protein (1.8kg - 60 Servings) (Chocolate Cream)
- Price
- £38.35
- Rating
- 4.3/5
- Reviews
- 58
- Age
- 1y ago

PBN - Premium Body Nutrition Micellar Casein Chocolate 1kg Pouch
- Price
- £12.67
- Rating
- 4.2/5
- Reviews
- 1,117
- Age
- 6y ago
Newest
by launch date
Applied Nutrition Casein Protein Powder - Micellar Casein Supplement Slow Release Protein (1.8kg - 60 Servings) (Chocolate Cream)
- Price
- £38.35
- Rating
- 4.3/5
- Reviews
- 58
- Age
- 1y ago

Applied Nutrition Casein Protein Powder - Micellar Casein Supplement Slow Release Protein (900g - 30 Servings) (Vanilla Cream)
- Price
- £20.28
- Rating
- 4.4/5
- Reviews
- 66
- Age
- 3y ago

Applied Nutrition Casein Protein Powder - Micellar Casein Supplement Slow Release Protein (900g - 30 Servings) (Chocolate Cream)
- Price
- £21.33
- Rating
- 4.3/5
- Reviews
- 58
- Age
- 3y ago

Bulk Micellar Casein Protein Powder Vanilla 500g
- Price
- £12.48
- Rating
- 4.2/5
- Reviews
- 390
- Age
- 4y ago

PBN - Premium Body Nutrition Micellar Casein Chocolate 1kg Pouch
- Price
- £12.67
- Rating
- 4.2/5
- Reviews
- 1,117
- Age
- 6y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 37% of clicks, no more. An open shelf where new products get seen.
Brands
12 rising
Sellers
59
Est. top-5 brand share
95%
Top 20: 100%
Est. 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.
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 estimated 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
We read the reviews and the return reasons for every product selling here.
“not as tasty”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
12 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Casein Protein Powder questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









