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Irish Sea Moss

Irish Sea Moss shows low returns (0.1%), but a small market ($21K/yr) keeps it on the watch list.

Flapen Score

54
Worth a look
Market size 5Growth 17Conversion 57Competition 74Returns 100Price range 47Avg price 49Brand share 87Review moat 80Quality gap 68
This niche Category average

Is Irish Sea Moss profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Irish Sea Moss is a £21K/yr Amazon United Kingdom market (37K searches/yr). The top 5 brands hold 48% of demand. Verdict: Worth a look — 54/100.

Irish Sea Moss: 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 -16.1% over the last 90 days and 4.8% of searches end in a purchase.

£21K

revenue / yr

Units sold / yr3K
Search volume / yr-16.1%37K
Conversion rate4.8%
Avg price£11.92

Who owns the niche?

The top 5 brands hold 48% of demand, so 52% of the market is open.

52%

open market share

Brands · sellers30 · 40
Top-5 product click share40%
Open market52%
Avg brand age44 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 · 39 products

Sponsored placement85%
New entrants (1y)3· 0 succeeded
Avg rating4.3★
Avg reviews405

Top Irish Sea Moss 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 40% of clicks — established leaders, but buyers still shop beyond them.

£0£641£1K£2K£3K101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

Brands

30 rising

Sellers

40

Top-5 brand share

48%

Top 20: 92%

Top-5 click share

40%

Top 20: 83%

Open market

47%

  • MetaSuperfoods11%
  • YAYAH Products10%
  • Nutri-things10%
  • BUIE9%
  • SS Sport Supplies8%
  • NEW LEAF PRODUCTS5%

Irish Sea Moss demand & seasonality

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

Volume37KCVR4.8%Products39Brands30Top 5 Brands48%OOS Rate14.7%Rating4.3★Reviews405Avg BSR#740
2K1KSpike '24Spike '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.7×

Top Irish Sea Moss search terms shoppers use

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

  • irish sea moss22K/yr
  • irish moss7K/yr
  • sea moss raw6K/yr
  • irish moss organic2K/yr

What reviews say buyers love and hate about Irish Sea Moss

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

What buyers love

67% of reviews
Quality-Overall28%

Great quality and easy to add to my routine

Value For Money11%

Good price

Advertised Vs Actual Product6%

Does the job

Ease Of Use5%

easy to use

Energy Level4%

more energy

What buyers complain about

73% of reviews
Taste-Overall22%

tasted almost chemical

Value For Money16%

A bit overpriced for the amount received in the package

Quality-Overall13%

This is not a cheap product

Functionality-Overall5%

No effect

Size-Overall4%

Large capsules

Irish Sea Moss return rate & reasons

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

0.1%

Return rate

13%

Fixable by listing

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

1Smell
19%
2Age Suitability
13%
3Ingredients-Overall
13%
4Strength
13%
5Functionality-Overall
13%

Common Irish Sea Moss questions

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

Flapen scores Irish Sea Moss 54/100 on Amazon United Kingdom — Worth a look. The niche generates £21K/yr across 39 tracked products. 0 of 3 products launched in the last 360 days are still selling. Search demand moved -16.1% over the last 90 days.
Search demand for Irish Sea Moss on Amazon United Kingdom is steady year-round — the busiest month runs 1.7× the quietest.