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Metal Protein Shaker

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

Flapen Score

51
Worth a look
Market size 34Growth 21Conversion 62Competition 43Returns 97Price range 31Avg price 50Brand share 56Review moat 62Quality gap 75
This niche Category average

Is Metal Protein Shaker profitable on Amazon?

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.

Metal Protein Shaker: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Worth a look. Search demand moved -7.6% over the last 90 days and 5.4% of searches end in a purchase.

£162K

revenue / yr

Units sold / yr15K
Search volume / yr-7.6%252K
Conversion rate5.4%
Avg price£11.95

Who owns the niche?

The top 5 brands hold 71% of demand, so 29% of the market is open.

29%

open market share

Brands · sellers16 · 49
Top-5 product click share59%
Open market29%
Avg brand age37 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.3★ — the gap to enter on.

0/100

page quality · 23 products

Sponsored placement91%
New entrants (1y)7· 0 succeeded
Avg rating4.3★
Avg reviews1,011

Top Metal Protein Shaker products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

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

£0£8K£16K£24K£32K101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

Brands

16 falling

Sellers

49

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%

Metal Protein Shaker demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume252KCVR5.4%Products23Brands16Top 5 Brands71%OOS Rate12.3%Rating4.3★Reviews1,011Avg BSR#101
5K3KHoliday '24Prime Day '25Spike '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.3×

Top Metal Protein Shaker search terms shoppers use

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

  • metal protein shaker53K/yr
  • stainless steel protein shaker31K/yr
  • metal shaker bottle19K/yr
  • protein shaker metal21K/yr
  • stainless steel shaker bottle13K/yr
  • protein shaker stainless steel14K/yr
  • metal shaker18K/yr
  • shaker stainless steel protein7K/yr
  • stainless steel shaker12K/yr
  • steel protein shaker9K/yr

What reviews say buyers love and hate about Metal Protein Shaker

What buyers mention most, as a share of all reviews.

What buyers love

65% of reviews
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

What buyers complain about

64% of reviews
Durability19%

Breaks easily

Leak-Proof14%

Leaks

Quality-Overall12%

Poor Quality

Smell4%

My plastic bottles got smelly

Material Quality4%

Plastic not so fantastic

Metal Protein Shaker return rate & reasons

Why buyers send it back, as a share of all return requests.

0.5%

Return rate

30%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Leak-Proof
22%
2Size-Overall
19%
3Durability
6%
4Defective Material/Parts
6%
5Quality-Overall
5%

Common Metal Protein Shaker questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Metal Protein Shaker 51/100 on Amazon United Kingdom — Worth a look. The niche generates £162K/yr across 23 tracked products. 0 of 7 products launched in the last 360 days are still selling. Search demand moved -7.6% over the last 90 days.
Search demand for Metal Protein Shaker on Amazon United Kingdom is steady year-round — the busiest month runs 1.3× the quietest.