epsom salt
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.1%return rate — above 6% kills the launch gate
Conversion
Incredible18.3%search→purchase rate — share of searches ending in a sale
Market size
Great£1.5M£1.5M/yr · 1.0M searches
Price range
Okay£2.38–£21.04cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Bad4,966.75avg incumbent reviews — the moat a new listing must climb
Avg price
Bad£7.79avg listing price — sweet spot $15–$100
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Growth
Bad-23.3%90-day search growth — must beat 0% to launch
Competition
Bad90%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, epsom salt is a £1.5M/yr Amazon United Kingdom market (1.0M searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 42/100.
Data updated Jul 18, 2026 · scored weekly · How we score niches
Market data
- Units sold / yr
- 200K–250K
- avg 10,000–12,500/product
- Revenue / yr
- £1.6M–£1.9M
- units × avg price
- Launch success
- —
- 0 of 0 new (360d)
- Conversion rate
- 18.3%
- Avg BSR
- #6
- Page quality
- 0%
- Prime
- 75%
- Sponsored
- 100%
- Out of stock
- 0.0%
- Avg brand age
- 66 months
- Avg seller age
- 165 days
Competition
The top 5 products capture 90% of clicks — a locked-up shelf that new listings rarely crack.Brands
5 falling
Sellers
31
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
90%
Top 20: 100%
Open market
0%
- Westlab52%
- The Intelligent Health37%
- Hexeal6%
- ELYSIUM SPA4%
- MAC Marie & Adam's Collection your comfort is our ambition....2%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -23.3% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 8 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Westlab Epsom Salts 1kg - Soothe and Relax Muscles to Improve MSK Health & Comfort by Reducing Stiffness and Aching. Sports Recovery - Improved Performance.
Westlab£2.384.8★6,415 rev
The Intelligent Health Magnesium Sulphate Bath Salts Soak Muscle Magnesium Epsom Salts for Bathing and Foot Soaking for Women & Men - 1kg Resealable Pouch
The Intelligent Health£5.084.6★8,992 rev
Help Soothe Tired Muscles While Relieving Tension & Supporting Muscle Health 100% Pure Mineral-Rich Salt
Westlab£5.204.7★3,426 rev
Hexeal Epsom Salt 10kg 10kg Bucket of Food Grade Magnesium Sulphate for Bathing Gardening & Household Use Suitable for Personal Care Soil Enrichment and More
Hexeal£13.604.7★4,917 rev
Pure Epsom Salts 10kg Total Body Therapy 100% Pure Premium Quality Magnesium Sulphate Traditional Bath Soak Fine 1.4mm Easily Dissolvable Grain Size Vegan Friendly by The Intelligent Health
The Intelligent Health£21.044.7★1,154 rev
Newest
by launch date
The Intelligent Health Magnesium Sulphate Bath Salts Soak Muscle Magnesium Epsom Salts for Bathing and Foot Soaking for Women & Men - 450g Resealable Pouch
The Intelligent Health£3.398,992 rev
Pure Epsom Salts | Magnesium Sulphate Bath Salt (5 kg (Pack of 1))
MAC Marie & Adam's Collection your comfort is our ambition....£8.35361 rev
The Intelligent Health Magnesium Sulphate Bath Salts Soak Muscle Magnesium Epsom Salts for Bathing and Foot Soaking for Women & Men - 1kg Resealable Pouch
The Intelligent Health£5.088,992 rev
Pure Epsom Salts 10kg Total Body Therapy 100% Pure Premium Quality Magnesium Sulphate Traditional Bath Soak Fine 1.4mm Easily Dissolvable Grain Size Vegan Friendly by The Intelligent Health
The Intelligent Health£21.041,154 rev
Elysium Spa Natural Original Epsom Salts 1Kg
ELYSIUM SPA£3.305,477 rev
Trending
90-day click momentumThe Intelligent Health Magnesium Sulphate Bath Salts Soak Muscle Magnesium Epsom Salts for Bathing and Foot Soaking for Women & Men - 450g Resealable Pouch
The Intelligent Health£3.394.6★
Westlab Epsom Salts 1kg - Soothe and Relax Muscles to Improve MSK Health & Comfort by Reducing Stiffness and Aching. Sports Recovery - Improved Performance.
Westlab£2.384.8★
The Intelligent Health Magnesium Sulphate Bath Salts Soak Muscle Magnesium Epsom Salts for Bathing and Foot Soaking for Women & Men - 1kg Resealable Pouch
The Intelligent Health£5.084.6★
Pure Epsom Salts 10kg Total Body Therapy 100% Pure Premium Quality Magnesium Sulphate Traditional Bath Soak Fine 1.4mm Easily Dissolvable Grain Size Vegan Friendly by The Intelligent Health
The Intelligent Health£21.044.7★
Hexeal Epsom Salt 10kg 10kg Bucket of Food Grade Magnesium Sulphate for Bathing Gardening & Household Use Suitable for Personal Care Soil Enrichment and More
Hexeal£13.604.7★
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Great product very pleased with purchase”
“Great Value”
“Great relaxing salts”
“As advertised”
“A good soak is great for aching muscles”
“It does help with easing pain”
“Relax”
“My feet are nice and soft”
“Good Magnesium”
“Lovely fresh scent”
What buyers complain about
“Its Epsom salt”
“too expensive”
“Poor quality”
“my feet ache so much”
“I was really to fall into a deep sleep”
“very heavy bag”
“the crystals are off white like a dirty cream colour”
“Looks like glass crystals, tasteless & God knows what chemical they're selling instead of the salts”
“Came up in a rash”
“No scent to them which I like”
Top return reasons
Common questions
- Is epsom salt profitable to sell on Amazon United Kingdom?
- The niche generates £1.5M/yr across 8 tracked products. 90-day search growth is -23.3%. Flapen's verdict: Skip it (42/100).
- How competitive is the epsom salt niche?
- 5 brands and 31 sellers compete. The top 5 products take 90% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in epsom salt?
- Top complaints mined from reviews: Salt Content, Value For Money, Quality-Overall. The return rate is 0.1%.
- When does demand for epsom salt peak?
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- What does it cost to enter the epsom salt niche?
- Listings span £2.38–£21.04; the average listing price is £7.79 (sweet spot $15–$100). The average incumbent carries 4,967 reviews — the moat a new listing must climb.
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