Is metal protein shaker profitable to sell on Amazon United Kingdom?

The niche generates £162K/yr across 23 tracked products. 0 of 7 products launched in the last 360 days are still selling. 90-day search growth is -7.6%. Flapen's verdict: Worth a look (51/100).

How competitive is the metal protein shaker niche?

16 brands and 49 sellers compete. The top 5 products take 59% of clicks and top 5 brands hold 71% of demand.

What do buyers complain about in metal protein shaker?

Top complaints mined from reviews: Durability, Leak-Proof, Quality-Overall. The return rate is 0.5%.

When does demand for metal protein shaker peak?

Demand is steady year-round — the busiest month runs 1.3× the quietest.

What does it cost to enter the metal protein shaker niche?

Listings span £3.22–£20.33; the average listing price is £11.95 (sweet spot $15–$100). The average incumbent carries 1,011 reviews — the moat a new listing must climb.

metal protein shaker

Worth a look

Shows low returns (0.5%), but soft demand (-7.6% this quarter) keeps it on the watch list.

Returns

Incredible0.5%

return rate — above 5% kills the launch gate

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Conversion

Good5.4%

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

Review moat

Good1,011.43

avg incumbent reviews — the moat a new listing must climb

Brand share

Good71%

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

Avg price

Good£11.95

avg listing price — sweet spot $15–$100

Competition

Okay59%

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

Market size

Okay£162K

£162K/yr · 252K searches

Price range

Okay£3.22–£20.33

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

Growth

Bad-7.6%

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

According to Flapen's Amazon United Kingdom niche tracking, metal protein shaker is a £162K/yr Amazon United Kingdom market (252K searches/yr). The top 5 brands hold 71% of demand. Verdict: Worth a look — 51/100.

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

metal protein shaker market data

Units sold / yr: 13K–15K; avg 500–750/product
Revenue / yr: £149K–£179K; units × avg price
Conversion rate: 5.4%
Avg BSR: #101
Page quality: 0%
Prime: 100%
Sponsored: 91%
Out of stock: 12.3%
Avg brand age: 37 months
Avg seller age: 181 days

Competition & brand share

The top 5 products take 59% of clicks — established leaders, but buyers still shop beyond them.

Brands

16 falling

Sellers

Top-5 brand share

71%

Top 20: 100%

Top-5 click share

59%

Top 20: 97%

Open market

22%

Freak Athletics24%
Applied Nutrition21%
Promixx11%
Optimum Nutrition8%
BULK POWDERS7%
ACWOO7%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -7.6% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.3×

Open Trend

Top metal protein shaker search terms

metal protein shaker53K/yr -13.2%5.9% conv.
stainless steel protein shaker31K/yr -10.1%4.1% conv.
metal shaker bottle19K/yr +0.2%3.8% conv.
protein shaker metal21K/yr -27.3%5.5% conv.
stainless steel shaker bottle13K/yr +3.9%3.3% conv.
protein shaker stainless steel14K/yr -12.7%4.2% conv.
metal shaker18K/yr -20.2%4.4% conv.
shaker stainless steel protein7K/yr +7.9%5.7% conv.
stainless steel shaker12K/yr -11.7%3.4% conv.
steel protein shaker9K/yr +16.2%3.2% conv.

All search terms

Top metal protein shaker 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★)1 product missing review or click data not plotted

All 23 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Applied Nutrition Metal Protein Shaker - Sports Supplements Stainless Steel Shaker Metal Shaker Bottle Durable & Lightweight (750ml)

Applied Nutrition£5.964.3★233 rev

Freak Athletics Protein Shaker Bottle | 700ml BPA Free Stainless Steel Protein Shaker With Wire Mixing Ball | Leak Proof Design Flip-Top Lid | Insulated Lightweight with Easy Grip Supplement Mixer

Freak Athletics£11.244.4★3,128 rev

Optimum Nutrition Reforce Steel Smartshake Durable Food-Grade Stainless Steel Protein Shaker Bottle BPA Free Bottle with Leak-Proof Flip-to-Cap Easy to Carry Smart Shaker for Protein Shakes 900 ml

Optimum Nutrition£11.014.3★272 rev

Bulk x Promixx Stainless Steel Shaker Bottle Black 700ml

BULK POWDERS£12.084.5★339 rev

ACWOO Protein Shaker Bottle with Stainless Steel Mixing Ball 900ml Stainless Steel Protein Shaker Cup Gym Shaker Bottle Protein & Supplement Shaker Bottle Leak Proof Metal Sports Water Bottle

ACWOO£7.754.3★466 rev

Newest

by launch date

Stainless Steel Protein Shaker Bottle 750ml - Leak Proof Gym Shaker with Mixball Metal Supplement Mixer Dual Scale Markings Wide Mouth Fitness Water Bottle for Workout Outdoor Sports & Gifts

AspireBloom£9.990 rev

4mo ago

Autsel Protein Shaker - 750ml Stainless Steel Shaker Bottle for Fast Clump-Free Mixing | Insulated Metal Protein Shaker Cup with MixBall and Handle Leak-Proof & BPA Free Black

Autsel£11.8528 rev

4mo ago

Promixx Pursuit Stainless Steel Shaker Bottle - 760ml Lightweight Metal Protein Mixer with Snap-Fit Agitator for Smooth Shakes - Leak-Proof Odor-Resistant Gym Shaker Cup for Fitness - Midnight Blue

Promixx£14.48259 rev

6mo ago

Autsel Protein Shaker - 750ml Stainless Steel Shaker Bottle for Fast

Autsel£12.0828 rev

8mo ago

Bulk x Promixx Stainless Steel Shaker Bottle Black 700ml

BULK POWDERS£12.08339 rev

10mo ago

What buyers say about metal protein shaker

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

What buyers love

Quality-Overall18%

“A good quality shaker bottle that both looks and performs great”

Leak-Proof11%

“Doesnt leak”

Ease Of Cleaning8%

“this is easily removed for cleaning which I like”

Value For Money7%

“worth every penny”

Ease Of Use4%

“Easy to use”

Temperature Retention4%

“Keeps the drink nice and cold too”

Strength4%

“Its sturdy and easy to clean”

Advertised Vs Actual Product4%

“Better than expected”

Durability3%

“Durable and clean,”

Size-Overall3%

“The size is perfect”

What buyers complain about

Durability19%

“Breaks easily”

Leak-Proof14%

“Leaks”

Quality-Overall12%

“Poor Quality”

Smell4%

“My plastic bottles got smelly”

Material Quality4%

“Plastic not so fantastic”

Design-Overall3%

“I presume its a design fault that hasnt been fixed”

Rusts/Corrodes2%

“they all started to rust after a few months”

Functionality-Overall2%

“Literally does not work”

Value For Money2%

“it is slightly more expensive”

Size-Overall2%

“The half-litre bottles always feel a bit too small”

Top return reasons

Leak-Proof22%

Size-Overall19%

Durability6%

Defective Material/Parts6%

Quality-Overall5%

Color4%

Rusts/Corrodes4%

Functionality-Overall4%

Ease Of Use3%

Smell3%

Common questions

Is metal protein shaker profitable to sell on Amazon United Kingdom?: The niche generates £162K/yr across 23 tracked products. 0 of 7 products launched in the last 360 days are still selling. 90-day search growth is -7.6%. Flapen's verdict: Worth a look (51/100).
How competitive is the metal protein shaker niche?: 16 brands and 49 sellers compete. The top 5 products take 59% of clicks and top 5 brands hold 71% of demand.
What do buyers complain about in metal protein shaker?: Top complaints mined from reviews: Durability, Leak-Proof, Quality-Overall. The return rate is 0.5%.
When does demand for metal protein shaker peak?: Demand is steady year-round — the busiest month runs 1.3× the quietest.
What does it cost to enter the metal protein shaker niche?: Listings span £3.22–£20.33; the average listing price is £11.95 (sweet spot $15–$100). The average incumbent carries 1,011 reviews — the moat a new listing must climb.