---
title: "Sea Moss — £215K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/grocery/sea-moss"
last_updated: "2026-07-31T15:07:13.735Z"
locale: en
meta:
description: "Niche score 51/100 · £215K/yr market · 311K searches/yr · £11.41 avg price. Soft demand (-45.3% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 51/100 · £215K/yr market · 311K searches/yr · £11.41 avg price. Soft demand (-45.3% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Sea Moss — £215K/yr Amazon UK Niche (2026) - Flapen"
---
# **sea moss**
**Worth a look**
Shows low returns (0.1%), but soft demand (-45.3% this quarter) keeps it on the watch list.
Market size 41Growth 2Conversion 67Competition 52Returns 100Price range 51Avg price 45Brand share 54Review moat 75Quality gap 58
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Review moat**
**Good****500.81**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Good****6.1%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Good****72%**
top-5 brand share — brands hold most of the demand
**Competition**
**Good****54%**
top-5 click share — leaders hold, buyers still browse
**Price range**
**Good****£5.80–£24.73**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Okay****£11.41**
avg listing price — sweet spot $15–$100
**Market size**
**Okay****£215K**
£215K/yr · 311K searches
**Growth**
**Bad****-45.3%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, sea moss is a £215K/yr Amazon United Kingdom market (311K searches/yr). The top 5 brands hold 72% of demand. Demand peaks in Aug–Sep–Oct. Verdict: Worth a look — 51/100.
Data updated Jul 24, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **sea moss market data**
- **Units sold / yr**
- **15K–20K**
- avg 500–750/product
- **Revenue / yr**
- **£171K–£228K**
- units × avg price
- **Conversion rate**
- **6.1%**
- **Avg BSR**
- **#535**
- **Page quality**
- **0%**
- **Prime**
- **81%**
- **Sponsored**
- **89%**
- **Out of stock**
- **10.4%**
- **Avg brand age**
- **32 months**
- **Avg seller age**
- **159 days**
## **Competition & brand share**
The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**21 **—flat
**Sellers**
**23**
**Top-5 brand share**
**72%**
Top 20: 99%
**Top-5 click share**
**54%**
Top 20: 92%
**Open market**
**23%**
- NEW LEAF PRODUCTS34% - MYLAS MOSS14% - Gordon Watkins13% - St Lucia Sea Moss Ltd6% - SS Sport Supplies6% - MetaSuperfoods4%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -45.3% search growth over the last 90 days.
25K15KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Aug, Sep, Oct · busiest ÷ quietest = 2.7×
[**Open Trend **](https://flapen.com/research/uk/grocery/sea-moss/trend)
## **Top sea moss search terms**
- **sea moss**232K/yr-49.8%4.5% conv. - **seamoss**46K/yr-26.9%5.2% conv. - **sea moss capsules**8K/yr-31.4%6.8% conv. - **organic sea moss**8K/yr-32.1%4.4% conv. - **sea moss organic**8K/yr-45.9%2.8% conv. - **sea moss tablets**6K/yr-36.8%8.1% conv. - **see moss**3K/yr-48.9%3.0% conv. [**All search terms **](https://flapen.com/research/uk/grocery/sea-moss/search-terms)
## **Top sea moss 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.
0%5%£11K10%£22K15%£32K20%£43K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Sea Moss Tablets Extract High Strength 4000mg - Sea Moss Supplement 120 Tablets (not sea Moss Capsule) High Potency - UK Made - Vegan - Non GMO**NEW LEAF PRODUCTS**£8.08**4.3★2,211 rev](https://www.amazon.co.uk/dp/B0BLM3S756) [2**Sea Moss Gel Made with Wildcrafted Irish Sea Moss from Grenada. Vegan. Dr Sebi Approved. (Golden 500ml)**Gordon Watkins**£13.93**4.2★2,597 rev](https://www.amazon.co.uk/dp/B098KQHJDG) [3**Mylas Moss Organic Sea Moss Gel 340g Wildcrafted & Made in The UK Pure Irish Moss for Immunity Gut Health & Skin Vegan Non-GMO No Fillers**MYLAS MOSS**£14.97**4.0★121 rev](https://www.amazon.co.uk/dp/B0DYDX9438) [4**Shilajit Seamoss and Lions Mane Capsules 6000mg - High Strength Complex - 60% Fulvic Acid Shilajit Irish Sea Moss Lions Mane 100% Fruiting Body - Vegan UK Made 120 Capsules**NEW LEAF PRODUCTS**£8.42**4.4★1,194 rev](https://www.amazon.co.uk/dp/B0DM2KK66C) [5**St Lucia Sea Moss Gel Wildcrafted Caribbean Sea Moss - 100% Natural Vegan Superfood - No Additives & Preservatives - Gluten-Free Non-GMO - Rich in 92 Minerals for Energy & Skin Health - 350ml**St Lucia Sea Moss Ltd**£12.35**4.2★47 rev](https://www.amazon.co.uk/dp/B0FTXJC4GB)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**St Lucia Sea Moss Gel Wildcrafted Caribbean Sea Moss - 100% Natural Vegan Superfood - No Additives & Preservatives - Gluten-Free Non-GMO - Rich in 92 Minerals for Energy & Skin Health - 350ml**St Lucia Sea Moss Ltd**£12.35**47 rev9mo ago](https://www.amazon.co.uk/dp/B0FTXJC4GB) [**Himalayan Shilajit Irish Sea Moss & Lions Mane Capsules | 3-in-1 High Strength Blend for Energy Focus & Vitality | 20 000mg 60% Fulvic Acid | Vegan 120 Capsules | Lux Vita**Lux Vita**£12.44**72 rev10mo ago](https://www.amazon.co.uk/dp/B0FNMWNJ22) [**Golden Irish Sea Moss | Wildcrafted from St. Lucia | 55g Makes ~0.85L Sea Moss Gel | 100% Natural Raw & Sun-Dried | Dr. Sebi Inspired Nutrient-Rich Irish Moss for Health & Wellness**BUIE**£10.03**466 rev1y ago](https://www.amazon.co.uk/dp/B0CVRTXT52) [**Sea Moss and Bladderwrack - 4000mg - 60 Capsules - Vegan Friendly - Wild Harvested Irish Seamoss - UK Made MOBU**MOBU**£5.80**39 rev1y ago](https://www.amazon.co.uk/dp/B0FDR5KXCB) [**Shilajit Seamoss and Lions Mane Capsules 6000mg - High Strength Complex - 60% Fulvic Acid Shilajit Irish Sea Moss Lions Mane 100% Fruiting Body - Vegan UK Made 120 Capsules**NEW LEAF PRODUCTS**£8.42**1,194 rev1y ago](https://www.amazon.co.uk/dp/B0DM2KK66C)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Himalayan Shilajit Irish Sea Moss & Lions Mane Capsules | 3-in-1 High Strength Blend for Energy Focus & Vitality | 20 000mg 60% Fulvic Acid | Vegan 120 Capsules | Lux Vita**Lux Vita**£12.44**4.6★**▲ 404%**](https://www.amazon.co.uk/dp/B0FNMWNJ22) [**Golden Irish Sea Moss | Wildcrafted from St. Lucia | 55g Makes ~0.85L Sea Moss Gel | 100% Natural Raw & Sun-Dried | Dr. Sebi Inspired Nutrient-Rich Irish Moss for Health & Wellness**BUIE**£10.03**4.4★**▲ 168%**](https://www.amazon.co.uk/dp/B0CVRTXT52) [**Mylas Moss Organic Sea Moss Gel Wildcrafted & Made in The UK Pure Irish Moss for Immunity Gut Health & Skin Vegan Non-GMO No Fillers (720g)**MYLAS MOSS**£24.73**4.0★**▲ 160%**](https://www.amazon.co.uk/dp/B0F9V762PF) [**St Lucia Sea Moss Gel Wildcrafted Caribbean Sea Moss - 100% Natural Vegan Superfood - No Additives & Preservatives - Gluten-Free Non-GMO - Rich in 92 Minerals for Energy & Skin Health - 350ml**St Lucia Sea Moss Ltd**£12.35**4.2★**▲ 150%**](https://www.amazon.co.uk/dp/B0FTXJC4GB) [**Nutravita 5000mg Sea Moss Tablets - 400 Irish Sea Moss Vegan Supplements for 6.5 Months of Supply Contributes to Normal Energy-Yielding Metabolism Skin & Cognitive Function (EFSA) Made in the UK**Nutravita**£12.65**4.6★**▲ 119%**](https://www.amazon.co.uk/dp/B0DBJ1TLWF)
**~~View all trending →~~**
## **What buyers say about sea moss**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**25%
*“Great quality and easy to add to my routine”*
**Value For Money**11%
*“Good price”*
**Ease Of Use**7%
*“easy to use”*
**Advertised Vs Actual Product**5%
*“As advertised, they work for me”*
**Taste-Overall**5%
*“The gel tastes fresh with a very mild taste so its easy to take daily”*
**Energy Level**4%
*“i have noticed a boost in my energy level”*
**Ease Of Chewing/Swallowing**3%
*“Easy to swallow”*
**Dosage**3%
*“pretty good value for money at that dosage”*
**Side Effects**2%
*“No side effects”*
**Efficiency**2%
*“Works well”*
### **What buyers complain about **
**Taste-Overall**24%
*“tasted almost chemical”*
**Dosage**9%
*“Highly disappointed with this as I struggle to take tablets”*
**Value For Money**9%
*“Waste of money”*
**Quality-Overall**8%
*“not the best”*
**Functionality-Overall**6%
*“Absolutely no difference whatsoever”*
**Dilute/Watery**5%
*“wondering why I was so dehydrated”*
**Side Effects**3%
*“I hate taking any kind of capsule, tablet etc, so although these are quite big they are really easy to swallow and they dont have that awful aftertaste that capsules of this type normally do”*
**Pain Relief-Overall**2%
*“get ill a lot”*
**Acid Regulator/Stomach Ache Relief**2%
*“made my stomach cramp badly”*
**Size-Overall**1%
*“Large capsules”*
### **Top return reasons **
**Smell**19%
**Strength**13%
**Material Quality**13%
**Age Suitability**13%
**Functionality-Overall**13%
**Advertised Vs Actual Product**13%
**Ingredients-Overall**13%
**Stain Resistance**6%
## **Common questions**
- **Is sea moss profitable to sell on Amazon United Kingdom?**
- The niche generates £215K/yr across 27 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is -45.3%. Flapen's verdict: Worth a look (51/100).
- **How competitive is the sea moss niche?**
- 21 brands and 23 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 72% of demand.
- **What do buyers complain about in sea moss?**
- Top complaints mined from reviews: Taste-Overall, Dosage, Value For Money. The return rate is 0.1%.
- **When does demand for sea moss peak?**
- Demand peaks in Aug–Sep–Oct; the busiest month runs 2.7× the quietest.
- **What does it cost to enter the sea moss niche?**
- Listings span £5.80–£24.73; the average listing price is £11.41 (sweet spot $15–$100). The average incumbent carries 501 reviews — the moat a new listing must climb.
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