Is whey isolate profitable to sell on Amazon United Kingdom?

The niche generates £568K/yr across 22 tracked products. 90-day search growth is +8.3%. Flapen's verdict: Worth a look (53/100).

How competitive is the whey isolate niche?

10 brands and 70 sellers compete. The top 5 products take 61% of clicks and top 5 brands hold 86% of demand.

What do buyers complain about in whey isolate?

Top complaints mined from reviews: Taste-Overall, Flavor, Sweetness. The return rate is 0.1%.

When does demand for whey isolate peak?

Demand is steady year-round — the busiest month runs 1.8× the quietest.

What does it cost to enter the whey isolate niche?

Listings span £13.82–£61.11; the average listing price is £29.75 (sweet spot $15–$100). The average incumbent carries 5,195 reviews — the moat a new listing must climb.

whey isolate

Worth a look

Shows low returns (0.1%), but a deep review moat (5,195 avg reviews) keeps it on the watch list.

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Avg price

Incredible£29.75

avg listing price — sweet spot $15–$100

Price range

Great£13.82–£61.11

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

Market size

Good£568K

£568K/yr · 802K searches

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Competition

Okay61%

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

Growth

Okay+8.3%

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

Brand share

Okay86%

top-5 brand share — brands hold most of the demand

Conversion

Okay2.4%

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

Review moat

Bad5,195.45

avg incumbent reviews — the moat a new listing must climb

According to Flapen's Amazon United Kingdom niche tracking, whey isolate is a £568K/yr Amazon United Kingdom market (802K searches/yr). The top 5 brands hold 86% of demand. Verdict: Worth a look — 53/100.

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

whey isolate market data

Units sold / yr: 20K–25K; avg 500–750/product
Revenue / yr: £595K–£744K; units × avg price
Conversion rate: 2.4%
Avg BSR: #26
Page quality: 0%
Prime: 100%
Sponsored: 55%
Out of stock: 7.2%
Avg brand age: 70 months
Avg seller age: 155 days

Competition & brand share

The top 5 products take 61% of clicks — established leaders, but buyers still shop beyond them.

Brands

10 falling

Sellers

Top-5 brand share

86%

Top 20: 100%

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 & seasonality

Weekly Amazon search volume, last 104 weeks — +8.3% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.8×

Open Trend

Top whey isolate search terms

whey isolate protein powder192K/yr +7.2%1.8% conv.
whey isolate157K/yr +15.2%1.7% conv.
whey protein isolate147K/yr +7.5%1.8% conv.
isolate protein powder84K/yr +6.7%1.8% conv.
protein isolate51K/yr +3.1%1.2% conv.
protein powder isolate37K/yr -2.1%2.1% conv.
whey protein isolate powder22K/yr -0.1%1.7% conv.
isolate protein20K/yr +12.8%1.4% conv.
protein isolate powder19K/yr +1.1%1.6% conv.
whey isolate protein14K/yr +9.7%1.4% conv.

All search terms

Top whey isolate 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 22 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Optimum Nutrition ON Gold Standard 100% Isolate Pure Whey Protein Naturally Occurring BCAAs and Glutamine Pre and Post Workout Chocolate Flavour 31 Servings 930 g

Optimum Nutrition£32.594.5★3,130 rev

Bulk Pure Whey Isolate 90 Vanilla 500g

Bulk£17.654.3★1,296 rev

Optimum Nutrition ON Gold Standard 100% Isolate Pure Whey Protein Naturally Occurring BCAAs and Glutamine Pre and Post Workout Vanilla Flavour 31 Servings 930 g

Optimum Nutrition£32.664.6★2,710 rev

Isopure Unflavoured Whey Protein Isolate Powder High in Protein with 25 g per Serve Low in Sugar No Artificial Flavours or Sweeteners Made with Only 2 Ingredients 435 g

Isopure£23.464.3★149 rev

Bulk Pure Whey Protein Isolate Powder Shake Vanilla 1000 g

BULK POWDERS£30.284.3★1,296 rev

Newest

by launch date

Isopure Unflavoured Whey Protein Isolate Powder High in Protein with 25 g per Serve Low in Sugar No Artificial Flavours or Sweeteners Made with Only 2 Ingredients 435 g

Isopure£23.46149 rev

1y ago

Naked Whey Protein Powder Only 1 Ingredient Grass Fed Gluten Free Soy Free GMO Free 25g Protein and 6g BCAAs per Scoop Unflavoured 12 Servings 450g

NAKED£18.396,270 rev

1y ago

Applied Nutrition ISO-XP Whey Protein Isolate Over 21g Protein Low Carb Low Fat BCAA-Rich Fast Absorption Soy-Free Halal-Certified (850g - 34 Servings) (Vanilla)

Applied Nutrition£26.9867 rev

1y ago

Applied Nutrition ISO XP Whey Isolate - Whey Protein Isolate Powder ISO-XP Funky Yummy Flavours (1kg - 40 Servings) (Choco Honeycomb)

Applied Nutrition£21.1942 rev

4y ago

DY Nutrition£51.9033 rev

6y ago

What buyers say about whey isolate

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

What buyers love

Taste-Overall23%

“Excellent taste”

Nutritional Content21%

“Great protein powder”

Quality-Overall9%

“It was a good and effective product”

Flavor7%

“the flavour is also very tasty”

Solubility5%

“easy to mix”

Blend/Ratio5%

“Nice taste and mixes well”

Value For Money4%

“Good value for money”

Texture/Consistency-Overall3%

“smooth texture”

Sweetness3%

“It has balanced taste not too chalky or too sweet”

Advertised Vs Actual Product1%

“As described”

What buyers complain about

Taste-Overall18%

“tastes so artificial”

Flavor6%

“Exceedingly artificial flavour”

Sweetness5%

“Disgustingly sweet”

Value For Money5%

“Pricey”

Nutritional Content5%

“Really poor, taste terrible and Ive had a few bad whey protein powders”

Mixing/Blending4%

“Poor mixability”

Artificial Sweeteners3%

“then the amount of artificial sweetener in it has to be off the chart”

Solubility3%

“Doesnt dissolve”

Texture/Consistency-Overall2%

“the grainy texture is really quite unbearable”

Size-Overall2%

“The size of the container to what you get is ridiculous”

Top return reasons

Advertised Vs Actual Product18%

Ingredients-Overall18%

Taste-Overall9%

Leak-Proof9%

Certifications9%

Acid Regulator/Stomach Ache Relief9%

Flavor9%

Value For Money9%

Solubility9%

Common questions

Is whey isolate profitable to sell on Amazon United Kingdom?: The niche generates £568K/yr across 22 tracked products. 90-day search growth is +8.3%. Flapen's verdict: Worth a look (53/100).
How competitive is the whey isolate niche?: 10 brands and 70 sellers compete. The top 5 products take 61% of clicks and top 5 brands hold 86% of demand.
What do buyers complain about in whey isolate?: Top complaints mined from reviews: Taste-Overall, Flavor, Sweetness. The return rate is 0.1%.
When does demand for whey isolate peak?: Demand is steady year-round — the busiest month runs 1.8× the quietest.
What does it cost to enter the whey isolate niche?: Listings span £13.82–£61.11; the average listing price is £29.75 (sweet spot $15–$100). The average incumbent carries 5,195 reviews — the moat a new listing must climb.

whey isolate

whey isolate market data

Competition & brand share

Demand & seasonality

Top whey isolate search terms

Top whey isolate products on Amazon

Top sellers

Newest

Trending

What buyers say about whey isolate

What buyers love

What buyers complain about

Top return reasons

Common questions

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