---
title: "Seaweed Snacks — £150K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/grocery/seaweed-snacks"
last_updated: "2026-07-31T13:21:28.004Z"
locale: en
meta:
description: "Niche score 42/100 · £150K/yr market · 187K searches/yr · £10.12 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 42/100 · £150K/yr market · 187K searches/yr · £10.12 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Seaweed Snacks — £150K/yr Amazon UK Niche (2026) - Flapen"
---
# **seaweed snacks**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 32Growth 22Conversion 79Competition 25Returns 100Price range 41Avg price 34Brand share 0Review moat 52Quality gap 57
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****7.9%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Good****1,402.88**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Okay****£2.34–£23.97**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Okay****£10.12**
avg listing price — sweet spot $15–$100
**Market size**
**Okay****£150K**
£150K/yr · 187K searches
**Competition**
**Okay****70%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Bad****-6.3%**
90-day search growth — must beat 0% to launch
**Brand share**
**Bad****100%**
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 ~~](https://flapen.com/research/methodology)
## **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.
5K4KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/uk/grocery/seaweed-snacks/trend)
## **Top seaweed snacks search terms**
- **seaweed snacks**108K/yr-15.7%6.4% conv. - **itsu seaweed thins**35K/yr+23.7%13.1% conv. - **seaweed snack**14K/yr+6.9%3.6% conv. - **seaweed thins**10K/yr-1.4%9.5% conv. - **crispy seaweed**11K/yr-24.4%5.1% conv. - **itsu seaweed**7K/yr-8.3%12.0% conv. - **itsu crispy seaweed thins**2K/yr+91.9%8.0% conv. [**All search terms **](https://flapen.com/research/uk/grocery/seaweed-snacks/search-terms)
## **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.
0%10%£15K20%£30K30%£45K40%£60K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 17 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**itsu Seaweed Thins 5g | Crispy Seaweed Snacks | Vegan | Low Calorie | Healthy Snack | Sweet Soy & Salt | Pack of 20**Itsu**£10.36**4.4★773 rev](https://www.amazon.co.uk/dp/B0DCK3B1S2) [2**itsu Seaweed Thins 5g | Crispy Seaweed Snacks | Vegan | Low Calorie | Healthy Snack | Sea Salt | Pack of 20**Itsu**£10.83**4.4★3,897 rev](https://www.amazon.co.uk/dp/B0DCK2X64X) [3**CHOIS 1 Organic DAECHUN Seaweed Snacks 20 Pack Original Product of Korea Premium Great**CHOI'S 1**£9.31**4.5★2,319 rev](https://www.amazon.co.uk/dp/B08HXXNWYT) [4**Daechun(Chois1) Seaweed Snack (Pack of 20) Original Sea Salt Green Tea Powder Product of Korea**CHOI'S 1**£8.38**4.5★4,644 rev](https://www.amazon.co.uk/dp/B07QL6W479) [5**itsu Seaweed Thins 5g | Crispy Seaweed Snacks | Vegan | Low Calorie | Healthy Snack | Sweet Soy & Salt | Pack of 32**Itsu**£14.86**4.4★773 rev](https://www.amazon.co.uk/dp/B01MQQDWAD)
**~~View all top sellers →~~**
### **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**£9.74**131 rev1y ago](https://www.amazon.co.uk/dp/B0DTK9BPH4) [**itsu Seaweed Thins 5g | Crispy Seaweed Snacks | Vegan | Low Calorie | Healthy Snack | Sweet Soy & Salt | Pack of 20**Itsu**£10.36**773 rev1y ago](https://www.amazon.co.uk/dp/B0DCK3B1S2) [**itsu Seaweed Thins 5g | Crispy Seaweed Snacks | Vegan | Low Calorie | Healthy Snack | Sea Salt | Pack of 20**Itsu**£10.83**3,897 rev1y ago](https://www.amazon.co.uk/dp/B0DCK2X64X) [**itsu Seaweed Thins 5g | Crispy Seaweed Snacks | Vegan | Low Calorie | Healthy Snack | Sriracha | Pack of 20**Itsu**£13.16**140 rev1y ago](https://www.amazon.co.uk/dp/B0DCK2TJM8) [**Itsu Crispy Seaweed Thins 4 x 5g**Itsu**£2.46**131 rev2y ago](https://www.amazon.co.uk/dp/B0CL4V6345)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**itsu Seaweed Thins 5g | Crispy Seaweed Snacks | Vegan | Low Calorie | Healthy Snack | Sweet Soy & Salt | Pack of 20**Itsu**£10.36**4.4★**▲ 134%**](https://www.amazon.co.uk/dp/B0DCK3B1S2) [**itsu Crispy Seaweed Thins Sweet Soy & Sea Salt 4 x 5g (20g)**Itsu**£2.34**4.2★**▲ 63%**](https://www.amazon.co.uk/dp/B0CV7J2P5Q) [**itsu Seaweed Thins 5g | Crispy Seaweed Snacks | Vegan | Low Calorie | Healthy Snack | Sriracha | Pack of 20**Itsu**£13.16**4.1★**▲ 41%**](https://www.amazon.co.uk/dp/B0DCK2TJM8) [**Emma Basic Seaweed Sushi Nori | 40 Full Roasted Seaweed Sheets | Young Harvest | Crispy & Crunchy | High Protein | High Fibre | Vegan**Emma Basic**£7.34**4.6★**▲ 24%**](https://www.amazon.co.uk/dp/B089ZWKDJR) [**CHOIS 1 Organic DAECHUN Seaweed Snacks 20 Pack Original Product of Korea Premium Great**CHOI'S 1**£9.31**4.5★**▲ 13%**](https://www.amazon.co.uk/dp/B08HXXNWYT)
**~~View all trending →~~**
## **What buyers say about seaweed snacks**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Taste-Overall**35%
*“Super tasty snack”*
**Quality-Overall**11%
*“perfect for making nori rolls, good quality and good price”*
**Value For Money**10%
*“Best Value”*
**Flavor**8%
*“Good flavour”*
**Crispiness**8%
*“Nice and crispy”*
**Nutritional Content**6%
*“Low calorie”*
**Salt Content**3%
*“not too salty”*
**Health Benefits-Overall**3%
*“Tasty, healthy snack that my whole family enjoys”*
**Freshness**2%
*“Very fresh”*
**Spiciness**1%
*“Great seaweed”*
### **What buyers complain about **
**Taste-Overall**22%
*“So it's not to everyone's taste”*
**Value For Money**13%
*“rather expensive”*
**Flavor**7%
*“Awful flavour”*
**Crispiness**7%
*“not crisp at all”*
**Size-Overall**5%
*“Smaller than expected”*
**Salt Content**4%
*“Salty snacks”*
**Oily/Greasy**3%
*“One down side would be they are a little greasy on the fingers”*
**Allergies**3%
*“it contains fish oil so do not buy if you are vegan or have a fish allergy”*
**Quality-Overall**3%
*“However the quality is inconsistent”*
**Advertised Vs Actual Product**3%
*“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.
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