eno
Skip itPrices mostly outside the sweet spot ($4.57–$10.57) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Conversion
Great8.8%search→purchase rate — share of searches ending in a sale
Review moat
Great493.14avg incumbent reviews — the moat a new listing must climb
Growth
Okay+9.4%90-day search growth — must beat 0% to launch
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Competition
Okay67%top-5 click share — leaders hold, buyers still browse
Market size
Bad£100K£100K/yr · 154K searches
Avg price
Bad£7.34avg listing price — sweet spot $15–$100
Brand share
Bad94%top-5 brand share — brand-locked demand
Price range
Bad£4.57–£10.57cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, eno is a £100K/yr Amazon United Kingdom market (154K searches/yr). The top 5 brands hold 94% of demand. Verdict: Skip it — 42/100.
Data updated Jul 24, 2026 · scored weekly · How we score niches
eno market data
- Units sold / yr
- 15K–20K
- avg 1,000–1,250/product
- Revenue / yr
- £110K–£147K
- units × avg price
- Conversion rate
- 8.8%
- Avg BSR
- #73
- Page quality
- 0%
- Prime
- 86%
- Sponsored
- 14%
- Out of stock
- 0.0%
- Avg brand age
- 53 months
- Avg seller age
- 177 days
Competition & brand share
The top 5 products take 67% of clicks — established leaders, but buyers still shop beyond them.Brands
8 flat
Sellers
40
Top-5 brand share
94%
Top 20: 100%
Top-5 click share
67%
Top 20: 100%
Open market
3%
- Eno56%
- Puregro18%
- Coqueiro11%
- KAMZCO5%
- CAEMORA3%
- DMG Select3%
- Open — no brand owns it (2 brands, 3%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +9.4% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.3×
Top eno search terms
- eno79K/yr
- enos salts original43K/yr
- eno salts15K/yr
- enos8K/yr
- eno fruit salt4K/yr
- enos salts4K/yr
Top eno 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
Eno Fruit Salt Regular 100 Gram - 3 Pack
Eno£10.574.4★887 rev
ENO Fruit Salt Regular 100g Pack of 3 Fast Relief from Acidity Gentle on Your Stomach
Puregro£10.434.6★226 rev
15 X Eno Fruit Salt Lemon Flavour 5 Gram Each
Coqueiro£4.574.6★717 rev
Eno (3.5oz. 100g) by Eno
Eno£4.884.4★1,779 rev
Eno Fruit Salt Regular Flavour 15 Sachets X 5 Grams
Eno£4.824.5★664 rev
Newest
by launch date
Eno Fruit Salt Regular 100 Gram (1)
Masala Cottage£7.0717 rev
ENO Fruit Salt Regular 100g Pack of 2 Fast Relief from Acidity Gentle on Your Stomach
Puregro£8.6644 rev
ENO Fruit Salt Regular 100g Pack of 3 Fast Relief from Acidity Gentle on Your Stomach
Puregro£10.43226 rev
2 x 100g ENO Fruit Salt Combo Pack | Quick & Effective Relief from Acid Reflux Indigestion & Acidity | Orange & Lemon
KAMZCO£9.1496 rev
ENOFast Relief Fruit Salt Regular Flavour 30x Antacid Sachets | Relief from Acidity Flatulence Gas and Indigestion Issues | Quick & Effective
CAEMORA£8.3469 rev
Trending
90-day click momentum
Eno Fruit Salt Antacid- 5g Sachets- Variety Pack - Regular x 10 Lemon x 10 Orange x 5 Cola x 5 = Total 30 sachets | Effervescent Relief from Flatulence and Indigestion Issues | Quick & Effective
DMG Select£8.914.7★
ENO Fruit Salt Regular 100g Pack of 2 Fast Relief from Acidity Gentle on Your Stomach
Puregro£8.664.5★
Eno (3.5oz. 100g) by Eno
Eno£4.884.4★
Eno Fruit Salt Regular 100 Gram - 3 Pack
Eno£10.574.4★
Eno Fruit Salt Orange Antacid Powder Baking Soda for Indigestion Heartburn Flatulence 30 Sachets 5 G Each 30 Sachets 5 g Each
Eno£7.014.6★
What buyers say about eno
What buyers praise and complain about, mined from review topics.What buyers love
“Good value for money”
“Easy to take, tastes ok and seems to help his symptoms”
“excellent for easing all stomach discomforts”
“No complaints”
“Does what what it says and works”
“Great wee sachets keeps salts fresh”
“Convenient and good”
“Its still effective”
“Just the best for heartburn & tasty too”
“Very good for digestion”
What buyers complain about
“Not a great replacement for Andrews salts”
“the product is far too small”
“more expensive”
“The taste can be a bit strong depending on the flavour”
“all rubbish”
“Upset stomach”
“in the last few years Ive found it difficult to obtain”
“Not as expected”
“Didn't work and made me throw up within 2 hours”
“why design a tub that won't allow you to put a 5ml teaspoon in to get your dosage 🤔 also I know the weight is mentioned etc”
Common questions
- Is eno profitable to sell on Amazon United Kingdom?
- The niche generates £100K/yr across 14 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +9.4%. Flapen's verdict: Skip it (42/100).
- How competitive is the eno niche?
- 8 brands and 40 sellers compete. The top 5 products take 67% of clicks and top 5 brands hold 94% of demand.
- What do buyers complain about in eno?
- Top complaints mined from reviews: Salt Content, Size-Overall, Value For Money. The return rate is 0.0%.
- When does demand for eno peak?
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- What does it cost to enter the eno niche?
- Listings span £4.57–£10.57; the average listing price is £7.34 (sweet spot $15–$100). The average incumbent carries 493 reviews — the moat a new listing must climb.