seaweed snacks
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Conversion
Great7.9%search→purchase rate — share of searches ending in a sale
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Review moat
Good1,402.88avg incumbent reviews — the moat a new listing must climb
Price range
Okay£2.34–£23.97cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Okay£10.12avg listing price — sweet spot $15–$100
Market size
Okay£150K£150K/yr · 187K searches
Competition
Okay70%top-5 click share — leaders hold, buyers still browse
Growth
Bad-6.3%90-day search growth — must beat 0% to launch
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, seaweed snacks is a £150K/yr Amazon United Kingdom market (187K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 42/100.
Data updated Jul 24, 2026 · scored weekly · How we score niches
seaweed snacks market data
- Units sold / yr
- 15K–20K
- avg 750–1,000/product
- Revenue / yr
- £152K–£202K
- units × avg price
- Conversion rate
- 7.9%
- Avg BSR
- #83
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 41%
- Out of stock
- 1.4%
- Avg brand age
- 49 months
- Avg seller age
- 169 days
Competition & brand share
The top 5 products take 70% of clicks — established leaders, but buyers still shop beyond them.Brands
5 falling
Sellers
46
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
70%
Top 20: 100%
Open market
0%
- Itsu57%
- CHOI'S 135%
- Emma Basic4%
- Abakus2%
- KIRKLAND1%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -6.3% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.5×
Top seaweed snacks search terms
- seaweed snacks108K/yr
- itsu seaweed thins35K/yr
- seaweed snack14K/yr
- seaweed thins10K/yr
- crispy seaweed11K/yr
- itsu seaweed7K/yr
- itsu crispy seaweed thins2K/yr
Top seaweed snacks 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 17 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
itsu Seaweed Thins 5g | Crispy Seaweed Snacks | Vegan | Low Calorie | Healthy Snack | Sweet Soy & Salt | Pack of 20
Itsu£10.364.4★773 rev
itsu Seaweed Thins 5g | Crispy Seaweed Snacks | Vegan | Low Calorie | Healthy Snack | Sea Salt | Pack of 20
Itsu£10.834.4★3,897 rev
CHOIS 1 Organic DAECHUN Seaweed Snacks 20 Pack Original Product of Korea Premium Great
CHOI'S 1£9.314.5★2,319 rev
Daechun(Chois1) Seaweed Snack (Pack of 20) Original Sea Salt Green Tea Powder Product of Korea
CHOI'S 1£8.384.5★4,644 rev
itsu Seaweed Thins 5g | Crispy Seaweed Snacks | Vegan | Low Calorie | Healthy Snack | Sweet Soy & Salt | Pack of 32
Itsu£14.864.4★773 rev
Newest
by launch date
Chois 1 Trayless Seaweed Snack Korean Roasted Laver Eco-Friendly Packaging Healthy Vegan Snack Gluten-Free 20 X 4g Made in Korea
CHOI'S 1£9.74131 rev
itsu Seaweed Thins 5g | Crispy Seaweed Snacks | Vegan | Low Calorie | Healthy Snack | Sweet Soy & Salt | Pack of 20
Itsu£10.36773 rev
itsu Seaweed Thins 5g | Crispy Seaweed Snacks | Vegan | Low Calorie | Healthy Snack | Sea Salt | Pack of 20
Itsu£10.833,897 rev
itsu Seaweed Thins 5g | Crispy Seaweed Snacks | Vegan | Low Calorie | Healthy Snack | Sriracha | Pack of 20
Itsu£13.16140 rev
Itsu Crispy Seaweed Thins 4 x 5g
Itsu£2.46131 rev
Trending
90-day click momentumitsu Seaweed Thins 5g | Crispy Seaweed Snacks | Vegan | Low Calorie | Healthy Snack | Sweet Soy & Salt | Pack of 20
Itsu£10.364.4★
itsu Crispy Seaweed Thins Sweet Soy & Sea Salt 4 x 5g (20g)
Itsu£2.344.2★
itsu Seaweed Thins 5g | Crispy Seaweed Snacks | Vegan | Low Calorie | Healthy Snack | Sriracha | Pack of 20
Itsu£13.164.1★
Emma Basic Seaweed Sushi Nori | 40 Full Roasted Seaweed Sheets | Young Harvest | Crispy & Crunchy | High Protein | High Fibre | Vegan
Emma Basic£7.344.6★
CHOIS 1 Organic DAECHUN Seaweed Snacks 20 Pack Original Product of Korea Premium Great
CHOI'S 1£9.314.5★
What buyers say about seaweed snacks
What buyers praise and complain about, mined from review topics.What buyers love
“Super tasty snack”
“perfect for making nori rolls, good quality and good price”
“Best Value”
“Good flavour”
“Nice and crispy”
“Low calorie”
“not too salty”
“Tasty, healthy snack that my whole family enjoys”
“Very fresh”
“Great seaweed”
What buyers complain about
“So it's not to everyone's taste”
“rather expensive”
“Awful flavour”
“not crisp at all”
“Smaller than expected”
“Salty snacks”
“One down side would be they are a little greasy on the fingers”
“it contains fish oil so do not buy if you are vegan or have a fish allergy”
“However the quality is inconsistent”
“False advertising”
Common questions
- Is seaweed snacks profitable to sell on Amazon United Kingdom?
- The niche generates £150K/yr across 17 tracked products. 90-day search growth is -6.3%. Flapen's verdict: Skip it (42/100).
- How competitive is the seaweed snacks niche?
- 5 brands and 46 sellers compete. The top 5 products take 70% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in seaweed snacks?
- Top complaints mined from reviews: Taste-Overall, Value For Money, Flavor. The return rate is 0.0%.
- When does demand for seaweed snacks peak?
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- What does it cost to enter the seaweed snacks niche?
- Listings span £2.34–£23.97; the average listing price is £10.12 (sweet spot $15–$100). The average incumbent carries 1,403 reviews — the moat a new listing must climb.