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Whey Isolate

Maybe

An estimated 0.1% of orders come back. But the average product has 5,195 reviews to catch up to, so Whey Isolate is a Maybe.

Flapen Score
53
53 / 100
Top 29% of 2,035 Health & Personal Care niches · +5 vs the category median of 48
Market size
£568K/yr802K searches / yr
90-day growth
+8.3%search demand this quarter
Competition
61%top-5 click share · 10 brands · 70 sellers

Flapen Score

Whey Isolate against its category

The dotted line is the Health & Personal Care average. Past it, Whey Isolate is stronger. Inside it, weaker.

53Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Whey Isolate market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Whey Isolate 802K times last year and spent an estimated £568K. The top 5 brands take 86% of clicks. Flapen scores it 53 out of 100, a Maybe.

01 · Demand

An estimated 2.4% of those searches ended in a purchase.

Shoppers searched for this 802K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 2.4% of those searches ended in a purchase. Searches in the last 90 days moved +8.3% against the 90 days before. Searches, conversion and average price together put the market at an estimated £568K a year.

Searches, last 12 months
802K
Growth, 90 days vs prior 90
+8.3%
Conversion, latest week
2.4%
Market size, estimated
£568Ka year
Peak month
May1.8× the quietest month
Top search term
whey isolate protein powder192K searches a year

02 · Price

A sale here is worth £29.75.

Listings sell for £29.75 on average, from £13.82 to £61.11. Amazon reports units sold in ranges. This niche sold 20K to 25K a year. The average listing sells 500 to 750 of them. At £29.75 that is £15K to £22K a year per listing.

Average price
£29.75inside the $15 to $100 sweet spot
Price range
£13.82–£61.11
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
20K–25K
Units per listing a year
500–750
Revenue per listing a year
£15K–£22K
Returns
0.1%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is reviews.

55% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 7.2% of listings are out of stock. The average listing ranks #26 within Diet & Nutrition. It carries 5,195 reviews at 4.41 stars, so a new listing needs social proof before a better product.

Sponsored listings
55%
Prime listings
100%
Out of stock, average day
7.2%
Average rank
#26in Diet & Nutrition
Average rating
4.41 starsAmazon United Kingdom average 4.36 stars
Average reviews
5,195per listing
Listings tracked
22

04 · Newcomers

Brands here are established.

The brands on the shelf have sold for 70 months on average, so the names here are established.

Launched, last 12 months
0
Successful launches
0Amazon's first-year sales bar
Average brand age
70 months

Products

Top Whey Isolate 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.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 61% of clicks. Leaders hold, but buyers still shop past them.

£0£57K£114K£170K£227K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

10 falling

Sellers

70

Est. top-5 brand share

86%

Top 20: 100%

Est. top-5 click share

61%

Top 20: 97%

Open market

10%

  • Optimum Nutrition46%
  • Bulk16%
  • BULK POWDERS14%
  • Isopure6%
  • Myprotein5%
  • DY Nutrition4%
  • Open — no brand owns it (4 brands, 10%)

Demand

Whey Isolate search demand

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

23K18KSpike '24Holiday '24Spike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.8×

Search terms

Top Whey Isolate search terms shoppers use

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

  • whey isolate protein powder192K/yr
  • whey isolate157K/yr
  • whey protein isolate147K/yr
  • isolate protein powder84K/yr
  • protein isolate51K/yr
  • protein powder isolate37K/yr
  • whey protein isolate powder22K/yr
  • isolate protein20K/yr
  • protein isolate powder19K/yr
  • whey isolate protein14K/yr

Reviews and returns

What reviews say buyers love and hate about Whey Isolate

We read the reviews and the return reasons for every product selling here.

23%of positive reviews mention “Taste-Overall”
18%of negative reviews mention “Taste-Overall”
0.1%of orders come back
“tastes so artificial”
A buyer, on “Taste-Overall”18% of negative reviews mention the same topic

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.

17 topics

NegativePositive

FAQ

Common Whey Isolate 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