sea moss capsule
Skip itA small market ($23K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Conversion
Great11.3%search→purchase rate — share of searches ending in a sale
Review moat
Great489.23avg incumbent reviews — the moat a new listing must climb
Brand share
Good67%top-5 brand share — brands hold most of the demand
Quality gap
Good4.5★avg incumbent rating — lower means beatable quality
Competition
Okay57%top-5 click share — leaders hold, buyers still browse
Avg price
Okay£9.64avg listing price — sweet spot $15–$100
Price range
Okay£4.23–£18.69cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Bad-31.4%90-day search growth — must beat 0% to launch
Market size
Bad£23K£23K/yr · 21K searches
According to Flapen's Amazon United Kingdom niche tracking, sea moss capsule is a £23K/yr Amazon United Kingdom market (21K searches/yr). The top 5 brands hold 67% of demand. Demand peaks in Sep–Oct–Nov–Dec. Verdict: Skip it — 46/100.
Data updated Jul 25, 2026 · scored weekly · How we score niches
sea moss capsule market data
- Units sold / yr
- 2K–2K
- avg 0–100/product
- Revenue / yr
- £14K–£19K
- units × avg price
- Conversion rate
- 11.3%
- Avg BSR
- #1,151
- Page quality
- 0%
- Prime
- 96%
- Sponsored
- 81%
- Out of stock
- 14.8%
- Avg brand age
- 31 months
- Avg seller age
- 167 days
Competition & brand share
The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them.Brands
22 rising
Sellers
24
Top-5 brand share
67%
Top 20: 99%
Top-5 click share
57%
Top 20: 93%
Open market
30%
- NEW LEAF PRODUCTS39%
- SS Sport Supplies13%
- ALPHA015%
- MetaSuperfoods4%
- KIKI HEALTH4%
- PH PROWISE Healthcare4%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -31.4% search growth over the last 90 days.Peak months: Sep, Oct, Nov, Dec · busiest ÷ quietest = 24.6×
Top sea moss capsule search terms
- sea moss capsules8K/yr
- irish sea moss capsules4K/yr
- sea moss tablets6K/yr
- sea moss supplements2K/yr
- sea moss capsule2K/yr
Top sea moss capsule 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Sea Moss Complex - Pure Irish Sea Moss Capsules with Bladderwrack & KSM Ashwagandha - High Strength Seamoss Capsule - 120 Fill Vegan Irish Seamoss Capsules Made in The UK By New Leaf
NEW LEAF PRODUCTS£7.354.4★273 rev
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£8.084.3★2,211 rev
Sea Moss Complex 14 000mg Extract Including Bladderwrack & Burdock Root - 120 High Strength Capsules Providing 120 Day Supply - North Atlantic Irish Sea Moss Supplement - Vegan & UK Made
SS Sport Supplies£8.224.5★681 rev
Organic Irish Sea Moss Extract 15 000mg - High Strength 25:1 Extract - 90 Vegan Capsules - Resealable and Recyclable Pouch by Alpha01
ALPHA01£7.584.5★27 rev
KIKI Health Organic Irish Sea Moss Capsules | Sustainably Sourced Rich in Iodine for Thyroid Support Optimal Nutrient Potency Convenient Vegan Capsules | Promotes Holistic Wellness | 90 Vegicaps
KIKI HEALTH£14.594.6★73 rev
Newest
by launch date
Organic Irish Sea Moss Extract 12 000mg - High Strength 25:1 Extract - 60 Vegan Capsules - Pure with no fillers
NEO-NUTRITION£8.008 rev
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£12.4472 rev
Sea Moss and Bladderwrack - 4000mg - 60 Capsules - Vegan Friendly - Wild Harvested Irish Seamoss - UK Made MOBU
MOBU£5.8039 rev
iPerk Sea Moss Complex: Bladderwrack Burdock & Ashwagandha - 14 000mg High Potency Formula - 60 Vegan Capsules - UK Manufactured
iperk£4.7116 rev
Irish Sea Moss Tablets High Strength 6000mg 120 Vegan Tablets - UK Made by Prowise Healthcare
PH PROWISE Healthcare£6.55114 rev
Trending
90-day click momentumHimalayan 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£12.444.6★
Organic Irish Sea Moss Extract 12 000mg - High Strength 25:1 Extract - 60 Vegan Capsules - Pure with no fillers
NEO-NUTRITION£8.004.9★
Sea Moss and Bladderwrack 120 Capsules (4000mg) | 1-A-Day 4 Months Supply | Vegan | Wild Harvested Sea Moss | Non GMO | Dr Sebi Irish Sea Moss | UK Company (120 Count Pack of 1)
MetaSuperfoods£13.614.5★
Organic Irish Sea Moss Extract 15 000mg - High Strength 25:1 Extract - 90 Vegan Capsules - Resealable and Recyclable Pouch by Alpha01
ALPHA01£7.584.5★
Sea Moss Extract 4000mg Per Serving | 180 Vegan Tablets - 3 Month Supply | High Strength Irish Sea Moss | Made in The UK by Shivay Herbals
Shivay Herbals£6.434.7★
What buyers say about sea moss capsule
What buyers praise and complain about, mined from review topics.What buyers love
“Good quality and easy to swallow”
“Good price”
“As advertised, they work for me”
“The dosage is decent compared to similar products”
“I feel better using it”
“Sleeping better”
“Easy to swallow”
“more energy”
“No side effects”
“Take daily great product”
What buyers complain about
“Highly disappointed with this as I struggle to take tablets”
“Absolutely no difference whatsoever”
“Not the cheapest”
“also have a kind of fishy after taste”
“not the best”
“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”
“wondering why I was so dehydrated”
“Hard to swallow”
“The capsules I found to be quite difficult to take”
“a bit dry I suppose”
Common questions
- Is sea moss capsule profitable to sell on Amazon United Kingdom?
- The niche generates £23K/yr across 26 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is -31.4%. Flapen's verdict: Skip it (46/100).
- How competitive is the sea moss capsule niche?
- 22 brands and 24 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 67% of demand.
- What do buyers complain about in sea moss capsule?
- Top complaints mined from reviews: Dosage, Functionality-Overall, Value For Money. The return rate is 0.1%.
- When does demand for sea moss capsule peak?
- Demand peaks in Sep–Oct–Nov–Dec; the busiest month runs 24.6× the quietest.
- What does it cost to enter the sea moss capsule niche?
- Listings span £4.23–£18.69; the average listing price is £9.64 (sweet spot $15–$100). The average incumbent carries 489 reviews — the moat a new listing must climb.