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Mirin

prices mostly outside the sweet spot ($1.88–$15.87) — Mirin doesn't clear our bar today.

Flapen Score

41
Skip it
Market size 31Growth 15Conversion 98Competition 14Returns 99Price range 6Avg price 23Brand share 18Review moat 92Quality gap 40
This niche Category average

Is Mirin profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Mirin is a £140K/yr Amazon United Kingdom market (97K searches/yr). The top 5 brands hold 93% of demand. Demand peaks in Jan. Verdict: Skip it — 41/100.

Mirin: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved -19.1% over the last 90 days and 17.2% of searches end in a purchase.

£140K

revenue / yr

Units sold / yr20K
Search volume / yr-19.1%97K
Conversion rate17.2%
Avg price£8.39

Who owns the niche?

The top 5 brands hold 93% of demand, so 7% of the market is open.

7%

open market share

Brands · sellers8 · 28
Top-5 product click share83%
Open market7%
Avg brand age81 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.5★ — the gap to enter on.

0/100

page quality · 11 products

Sponsored placement73%
New entrants (1y)1· 0 succeeded
Avg rating4.5★
Avg reviews157

Top Mirin 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 capture 83% of clicks — a locked-up shelf that new listings rarely crack.

£0£14K£28K£42K£56K101001K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

8 falling

Sellers

28

Top-5 brand share

93%

Top 20: 100%

Top-5 click share

83%

Top 20: 100%

Open market

4%

  • Yutaka35%
  • Mizkan30%
  • 日の出16%
  • Zen Group8%
  • Hinode4%
  • Blue Dragon4%
  • Open — no brand owns it (2 brands, 4%)

Mirin demand & seasonality

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

Volume97KCVR17.2%Products11Brands8Top 5 Brands93%OOS Rate3.5%Rating4.5★Reviews157Avg BSR#71
3K2KSpike '24Spike '25Prime Day '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan · busiest ÷ quietest = 1.8×

What reviews say buyers love and hate about Mirin

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

What buyers love

81% of reviews
Quality-Overall18%

This mirin-style cooking seasoning does seem good quality

Value For Money13%

a lot cheaper

Flavor11%

Lovely flavour

Taste-Overall11%

taste that real mirin has

Sweetness10%

This mirin-style seasoning is a great shortcut for adding a gentle sweetness

What buyers complain about

43% of reviews
Sweetness14%

a bit sweet

Value For Money9%

Very expensive

Taste-Overall5%

we couldn't really taste the difference when it was used

Alcohol Content3%

subtle alcohol notes of the real thing

Ease Of Use3%

A hard one to pass on

Common Mirin questions

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

Flapen scores Mirin 41/100 on Amazon United Kingdom — Skip it. The niche generates £140K/yr across 11 tracked products. 0 of 1 products launched in the last 360 days are still selling. Search demand moved -19.1% over the last 90 days.
Search demand for Mirin on Amazon United Kingdom peaks in Jan, where the busiest month runs 1.8× the quietest.