Is 50g protein shake profitable to sell on Amazon United Kingdom?

The niche generates £176K/yr across 14 tracked products. 90-day search growth is -1.7%. Flapen's verdict: Skip it (49/100).

How competitive is the 50g protein shake niche?

3 brands and 22 sellers compete. The top 5 products take 79% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in 50g protein shake?

Top complaints mined from reviews: Thickness, Taste-Overall, Flavor. The return rate is 0.0%.

When does demand for 50g protein shake peak?

Demand peaks in May–Jun; the busiest month runs 2.9× the quietest.

What does it cost to enter the 50g protein shake niche?

Listings span £2.40–£28.31; the average listing price is £15.96 (sweet spot $15–$100). The average incumbent carries 192 reviews — the moat a new listing must climb.

50g protein shake

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Review moat

Great191.64

avg incumbent reviews — the moat a new listing must climb

Conversion

Great10.5%

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

Avg price

Great£15.96

avg listing price — sweet spot $15–$100

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Price range

Good£2.40–£28.31

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

Market size

Okay£176K

£176K/yr · 105K searches

Growth

Bad-1.7%

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

Competition

Bad79%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United Kingdom niche tracking, 50g protein shake is a £176K/yr Amazon United Kingdom market (105K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in May–Jun. Verdict: Skip it — 49/100.

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

50g protein shake market data

Units sold / yr: 10K–13K; avg 750–1,000/product
Revenue / yr: £160K–£200K; units × avg price
Conversion rate: 10.5%
Avg BSR: #26
Page quality: 0%
Prime: 93%
Sponsored: 86%
Out of stock: 9.3%
Avg brand age: 66 months
Avg seller age: 152 days

Competition & brand share

The top 5 products capture 79% of clicks — a locked-up shelf that new listings rarely crack.

Brands

3 falling

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

79%

Top 20: 100%

Open market

UFIT94%
USN4%
Optimum Nutrition3%

Demand & seasonality

Weekly Amazon search volume, last 94 weeks — -1.7% search growth over the last 90 days.

Peak months: May, Jun · busiest ÷ quietest = 2.9×

Open Trend

Top 50g protein shake search terms

ufit 50g protein shake67K/yr +3.1%11.3% conv.
50g protein shake21K/yr -13.8%5.4% conv.
u fit 50g protein shakes8K/yr +1.2%9.5% conv.
50g protein6K/yr -12.3%3.5% conv.
protein shake 50g4K/yr -11.0%5.2% conv.

All search terms

Top 50g protein shake 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 14 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

UFIT High 50g Protein Shake (8 x 500 ml) - Milk Chocolate Flavour - No Added Sugar - High in Protein - Low in Fat - Gut Friendly - Ready to Drink - Packaging May Vary

UFIT£18.134.2★340 rev

UFIT High 50g Protein Shake (8 x 500 ml) - Strawberry Flavour - No Added Sugar - High in Protein - Low in Fat - Gut Friendly - Ready to Drink - Packaging May Vary

UFIT£16.354.0★480 rev

UFIT High 50g Protein Shake (8 x 500 ml) - Salted Caramel Flavour- No Added Sugar - High in Protein - Low in Fat - Gut Friendly - Ready to Drink - Packaging May Vary

UFIT£18.154.2★254 rev

UFIT High 50g Protein Shake (8 x 500 ml) - White Chocolate Flavour - No Added Sugar - High in Protein - Low in Fat - Gut Friendly - Ready to Drink - Packaging May Vary

UFIT£18.274.3★135 rev

UFIT High 50g Protein Shake (8 x 500 ml) - Banana Flavour - No Added Sugar- High in Protein - Low in Fat - Gut Friendly - Ready to Drink - Packaging May Vary

UFIT£18.834.4★293 rev

Newest

by launch date

ON High Protein Shake Bottles Ready To Drink Healthy Snacks No added sugars low fat Post Workout Snack for Men and Women Chocolate Flavour 12x500ml Packaging may vary

Optimum Nutrition£28.3140 rev

2y ago

UFIT ÜFIT White Chocolate Flavour High Protein Milkshake 500ml

UFIT£2.4038 rev

3y ago

UFIT High 50g Protein Shake (8 x 500 ml) - White Chocolate Flavour - No Added Sugar - High in Protein - Low in Fat - Gut Friendly - Ready to Drink - Packaging May Vary

UFIT£18.27135 rev

3y ago

UFIT High 50g Protein Shake (8 x 500 ml) - Salted Caramel Flavour- No Added Sugar - High in Protein - Low in Fat - Gut Friendly - Ready to Drink - Packaging May Vary

UFIT£18.15254 rev

4y ago

UFIT 25g Protein Shake (10 x 330 ml) - White Chocolate Flavour - High Protein - Fat Free - No Added Sugar - Ready to Drink - Gut Friendly - Packaging May Vary

UFIT£17.8462 rev

5y ago

What buyers say about 50g protein shake

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

What buyers love

Taste-Overall33%

“Fantastic taste”

Nutritional Content30%

“Great protein intake”

Value For Money13%

“Good value for money”

Quality-Overall3%

“Normally ufit products are great”

Texture/Consistency-Overall3%

“Creamy”

Flavor3%

“So happy with these great flavour plus it's a flavor that is not readily available at shops”

Ease Of Use3%

“I love the convenience”

Thickness2%

“Super tasty and perfect thickness”

Advertised Vs Actual Product2%

“As advertised”

Soft Feel1%

“smooth, fills you up and ideal to have after a workout”

What buyers complain about

Thickness21%

“too thick”

Taste-Overall20%

“The taste is very bad and artificial”

Flavor12%

“Worst chocolate RTD flavour”

Weight Loss6%

“lost 4kg”

Side Effects6%

“It made me sick for several days”

Sweetness4%

“It tastes really over sweetened”

Artificial Sweeteners4%

“like alot of fake sweetener so I've had to move on to For Goodness Shakes”

Allergies4%

“I maybe allergic to one of the ingredients”

Texture/Consistency-Overall3%

“Its not the consistency as there are no lumps”

Bitter2%

“bitter taste absolutely disgusting”

Common questions

Is 50g protein shake profitable to sell on Amazon United Kingdom?: The niche generates £176K/yr across 14 tracked products. 90-day search growth is -1.7%. Flapen's verdict: Skip it (49/100).
How competitive is the 50g protein shake niche?: 3 brands and 22 sellers compete. The top 5 products take 79% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in 50g protein shake?: Top complaints mined from reviews: Thickness, Taste-Overall, Flavor. The return rate is 0.0%.
When does demand for 50g protein shake peak?: Demand peaks in May–Jun; the busiest month runs 2.9× the quietest.
What does it cost to enter the 50g protein shake niche?: Listings span £2.40–£28.31; the average listing price is £15.96 (sweet spot $15–$100). The average incumbent carries 192 reviews — the moat a new listing must climb.