Is protein powder weight loss profitable to sell on Amazon United Kingdom?

The niche generates £174K/yr across 26 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +3.2%. Flapen's verdict: Worth a look (52/100).

How competitive is the protein powder weight loss niche?

12 brands and 73 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 79% of demand.

What do buyers complain about in protein powder weight loss?

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

When does demand for protein powder weight loss peak?

Demand is steady year-round — the busiest month runs 2.4× the quietest.

What does it cost to enter the protein powder weight loss niche?

Listings span £8.03–£34.53; the average listing price is £18.76 (sweet spot $15–$100). The average incumbent carries 4,701 reviews — the moat a new listing must climb.

protein powder weight loss

Worth a look

Shows low returns (0.1%), but a deep review moat (4,701 avg reviews) keeps it on the watch list.

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Avg price

Great£18.76

avg listing price — sweet spot $15–$100

Price range

Good£8.03–£34.53

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

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Competition

Okay55%

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

Brand share

Okay79%

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

Conversion

Okay3.0%

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

Market size

Okay£174K

£174K/yr · 306K searches

Growth

Okay+3.2%

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

Review moat

Bad4,700.58

avg incumbent reviews — the moat a new listing must climb

According to Flapen's Amazon United Kingdom niche tracking, protein powder weight loss is a £174K/yr Amazon United Kingdom market (306K searches/yr). The top 5 brands hold 79% of demand. Verdict: Worth a look — 52/100.

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

protein powder weight loss market data

Units sold / yr: 6K–8K; avg 100–250/product
Revenue / yr: £113K–£150K; units × avg price
Conversion rate: 3.0%
Avg BSR: #13
Page quality: 0%
Prime: 100%
Sponsored: 58%
Out of stock: 0.0%
Avg brand age: 50 months
Avg seller age: 156 days

Competition & brand share

The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.

Brands

12 falling

Sellers

Top-5 brand share

79%

Top 20: 100%

Top-5 click share

55%

Top 20: 94%

Open market

15%

Applied Nutrition43%
Warrior11%
PhD9%
Free Soul9%
Optimum Nutrition7%
USN6%
Open — no brand owns it (6 brands, 15%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +3.2% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 2.4×

Open Trend

Top protein powder weight loss search terms

protein powder weight loss66K/yr -7.7%2.1% conv.
weight loss protein powder47K/yr +20.4%1.1% conv.
protein powder for women36K/yr +19.5%1.3% conv.
low calorie protein powder45K/yr -6.1%2.0% conv.
lean protein powder28K/yr -3.5%2.1% conv.
protein powder for weight loss20K/yr +4.2%1.7% conv.
protein powder low calorie15K/yr -6.4%2.4% conv.
low sugar protein powder11K/yr +21.5%2.1% conv.
low carb protein powder12K/yr -5.6%2.7% conv.
diet protein powders weight loss11K/yr -5.2%2.7% conv.

All search terms

Top protein powder weight loss 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 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Applied Nutrition Diet Whey - High Protein Powder Supplement Low Carb & Sugar for Weight Management with CLA L Carnitine Green Tea (450g - 18 Servings) (Vanilla)

Applied Nutrition£9.254.3★460 rev

Applied Nutrition Diet Whey - High Protein Powder Supplement Low Carb & Sugar for Weight Management with CLA L Carnitine Green Tea (450g - 18 Servings) (Strawberry Milkshake)

Applied Nutrition£9.134.4★271 rev

Applied Nutrition Diet Whey - High Protein Powder Supplement Low Carb & Sugar for Weight Management with CLA L Carnitine Green Tea (450g - 18 Servings) (Salted Caramel)

Applied Nutrition£9.624.3★188 rev

PhD Nutrition Diet Whey Lean Protein Powder | Vanilla Crème Whey Protein Powder 1 kg Bag [ Packaging May Vary ]

PhD£19.214.4★4,084 rev

Warrior Whey Protein Powder 500g 20 Servings High Protein Shake Supplement for Muscle Growth Recovery & Weight Loss Low Sugar Low Carb Gluten Free Meal Replacement Shake Strawberry Milkshake

Warrior£10.044.3★1,235 rev

Newest

by launch date

Free Soul£23.2322 rev

5mo ago

Bodyfuel Whey Protein Powder - 20g Protein for Muscle Recovery & Weight Management - Low-Calorie Keto-Friendly - (900g - 27 Servings) (Vanilla Milkshake)

Applied Nutrition£14.3542 rev

1y ago

Warrior Whey Protein Powder 500g 20 Servings High Protein Shake Supplement for Muscle Growth Recovery & Weight Loss Low Sugar Low Carb Gluten Free Meal Replacement Shake Strawberry Milkshake

Warrior£10.041,235 rev

2y ago

Warrior Whey Protein Powder 500g 20 Servings High Protein Shake Supplement for Muscle Growth Recovery & Weight Loss Low Sugar Low Carb Gluten Free Meal Replacement Shake White Chocolate

Warrior£10.50705 rev

2y ago

Applied Nutrition Diet Whey - High Protein Powder Supplement Low Carb & Sugar for Weight Management with CLA L Carnitine Green Tea (450g - 18 Servings) (Salted Caramel)

Applied Nutrition£9.62188 rev

3y ago

What buyers say about protein powder weight loss

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

What buyers love

Taste-Overall29%

“it tastes delicious”

Nutritional Content17%

“Great protein boost”

Flavor9%

“the flavour is also very tasty”

Value For Money7%

“Excellent value for money”

Quality-Overall7%

“Reliable seller of a quality item”

Blend/Ratio4%

“Blends well”

Solubility3%

“mixes well”

Ease Of Use2%

“Easy to use”

Sweetness2%

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

Texture/Consistency-Overall2%

“Texture was good”

What buyers complain about

Taste-Overall30%

“Didnt like the taste”

Nutritional Content8%

“Basically ruined 3 meals for me i cant eat any more of it”

Flavor7%

“Absolutely disgusting flavour”

Sweetness4%

“TOO SWEET”

Value For Money4%

“Bit expensive”

Texture/Consistency-Overall3%

“The texture is also a bit gritty”

Dilute/Watery2%

“very watery when made as per the instructions”

Thickness2%

“Doesnt take thick like other ones Ive tried”

Artificial Sweeteners2%

“It does contain artificial sweeteners”

Smell2%

“Chemical smell”

Top return reasons

Flavor32%

Taste-Overall19%

Leak-Proof7%

Texture/Consistency-Overall5%

Advertised Vs Actual Product3%

Ingredients-Overall3%