dashi
Skip itPrices mostly outside the sweet spot ($3.99–$14.04) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Review moat
Great132.86avg incumbent reviews — the moat a new listing must climb
Conversion
Great10.2%search→purchase rate — share of searches ending in a sale
Brand share
Good68%top-5 brand share — brands hold most of the demand
Competition
Okay62%top-5 click share — leaders hold, buyers still browse
Market size
Okay£110K£110K/yr · 120K searches
Avg price
Okay£9.02avg listing price — sweet spot $15–$100
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Growth
Bad-27.9%90-day search growth — must beat 0% to launch
Price range
Bad£3.99–£14.04cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, dashi is a £110K/yr Amazon United Kingdom market (120K searches/yr). The top 5 brands hold 68% of demand. Demand peaks in Jan. Verdict: Skip it — 45/100.
Data updated Jul 24, 2026 · scored weekly · How we score niches
dashi market data
- Units sold / yr
- 10K–13K
- avg 250–500/product
- Revenue / yr
- £90K–£113K
- units × avg price
- Conversion rate
- 10.2%
- Avg BSR
- #222
- Page quality
- 0%
- Prime
- 93%
- Sponsored
- 71%
- Out of stock
- 8.7%
- Avg brand age
- 60 months
- Avg seller age
- 175 days
Competition & brand share
The top 5 products take 62% of clicks — established leaders, but buyers still shop beyond them.Brands
11 rising
Sellers
25
Top-5 brand share
68%
Top 20: 100%
Top-5 click share
62%
Top 20: 100%
Open market
25%
- Shimaya23%
- KANESHICHI17%
- Ajinomoto12%
- Ninben8%
- Yutaka7%
- WaNaHong7%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -27.9% search growth over the last 90 days.Peak months: Jan · busiest ÷ quietest = 2.0×
Top dashi search terms
- dashi43K/yr
- dashi powder43K/yr
- dashi stock16K/yr
- hondashi8K/yr
- dashi powder japanese4K/yr
- hondashi powder4K/yr
- dashi granules2K/yr
Top dashi 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 14 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Pack of 2 x Shimaya Bonito Stock - Dashino moto (dashi Stock) 5x8gm
Shimaya£5.054.7★211 rev
KANESHICHI Natural Dashi Pack 0.3 oz 30 sachet
KANESHICHI£13.264.2★128 rev
Ajinomoto Hon-Dashi Katsuo Dashi 120g
Ajinomoto£7.934.6★221 rev
Shimaya Konbu Dashi Stock Powder 7 Sachet
WaNaHong£5.634.5★111 rev
KOMACHI HONPO Japanese Umami Dashi Bonito Konbu Shiitake 8g x 15
KOMACHI HONPO£14.044.7★99 rev
Newest
by launch dateKOMACHI HONPO Japanese Umami Dashi Bonito Konbu Shiitake 8g x 15
KOMACHI HONPO£14.0499 rev
Tastrip Dashi Stock Dashi Packet Japanese Soup Base (8g×5packet) | No MSG Umami Japanese dried bonito | Ramen Broth Miso Soup Udon Shabu Shabu & Hot Pot Soup Base (1-pack)
Tastrip£9.8046 rev
YAMASAN KYOTO UJI Japanese Umami Vegan Dashi Stock Healthy Veggie Dashi Packet Vegetable Broth Quick and Easy to Use Gluten Free Sugar Free No-MSG 6g×15Packets
YAMASAN KYOTO UJI£13.7352 rev
Yutaka Katsuo Dashi Bags Bonito Powder 30g (6pcs) | Authentic Umami Stock Sachets
Yutaka£4.409 rev
Yutaka Bonito Flavoured Soup Stock Granule DashiNoMoto 1kg | Deep Umami Instant Dashi Powder
Yutaka£12.751 rev
Trending
90-day click momentumKOMACHI HONPO Japanese Umami Dashi Bonito Konbu Shiitake 8g x 15
KOMACHI HONPO£14.044.7★
Yutaka Bonito Flavoured Soup Stock Granule DashiNoMoto 1kg | Deep Umami Instant Dashi Powder
Yutaka£12.755.0★
Shimaya Konbu Dashi Stock Powder 7 Sachet
WaNaHong£5.634.5★
Yutaka Katsuo Dashi Bags Bonito Powder 30g (6pcs) | Authentic Umami Stock Sachets
Yutaka£4.404.3★
Ajinomoto Hon-Dashi Katsuo Dashi 120g
Ajinomoto£7.934.6★
What buyers say about dashi
What buyers praise and complain about, mined from review topics.What buyers love
“the taste is magic”
“The balance of flavours is really good”
“Excellent Quality”
“It makes cooking with it very easy as I wouldn't really be able to make my own otherwise without buying expensive”
“Quick and easy”
“even so they are good ingredients”
“I think it is a fair price”
“you can immediately smell that lovely authentic aroma of dashi”
“Unbeatable and healthy”
“natural umami”
What buyers complain about
“the taste isnt umami enough”
“Flavour-wise, I find the broth to be milder and more delicate in flavour than when I make dashi from scratch”
“Value for money is not great”
“hard to get ingredients”
“Powdered cardboard dust”
“Thin and vaguely fishy”
“The Shortcut to Authentic Japanese Cooking That Does Not Feel Like a Shortcut”
“the product is advertised to only contain natural products which isn't actually the case”
“It doesn't release any colour - it is very very faint slightly yellowish liquid”
“They kind of look like big teabags”
Common questions
- Is dashi profitable to sell on Amazon United Kingdom?
- The niche generates £110K/yr across 14 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -27.9%. Flapen's verdict: Skip it (45/100).
- How competitive is the dashi niche?
- 11 brands and 25 sellers compete. The top 5 products take 62% of clicks and top 5 brands hold 68% of demand.
- What do buyers complain about in dashi?
- Top complaints mined from reviews: Taste-Overall, Flavor, Value For Money. The return rate is 0.0%.
- When does demand for dashi peak?
- Demand peaks in Jan; the busiest month runs 2.0× the quietest.
- What does it cost to enter the dashi niche?
- Listings span £3.99–£14.04; the average listing price is £9.02 (sweet spot $15–$100). The average incumbent carries 133 reviews — the moat a new listing must climb.