magnesium oil
Worth a lookShows low returns (0.1%), but soft demand (-10.2% this quarter) keeps it on the watch list.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Conversion
Great11.1%search→purchase rate — share of searches ending in a sale
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Market size
Good£690K£690K/yr · 630K searches
Review moat
Okay2,519.42avg incumbent reviews — the moat a new listing must climb
Price range
Okay£6.28–£19.93cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Okay£9.84avg listing price — sweet spot $15–$100
Growth
Bad-10.2%90-day search growth — must beat 0% to launch
Competition
Bad76%top-5 click share — a locked-up shelf
Brand share
Bad92%top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, magnesium oil is a £690K/yr Amazon United Kingdom market (630K searches/yr). The top 5 brands hold 92% of demand. Demand peaks in Aug. Verdict: Worth a look — 51/100.
Data updated Jul 25, 2026 · scored weekly · How we score niches
magnesium oil market data
- Units sold / yr
- 80K–100K
- avg 4,000–5,000/product
- Revenue / yr
- £787K–£984K
- units × avg price
- Conversion rate
- 11.1%
- Avg BSR
- #92
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 92%
- Out of stock
- 2.7%
- Avg brand age
- 43 months
- Avg seller age
- 173 days
Competition & brand share
The top 5 products capture 76% of clicks — a locked-up shelf that new listings rarely crack.Brands
8 falling
Sellers
36
Top-5 brand share
92%
Top 20: 100%
Top-5 click share
76%
Top 20: 100%
Open market
4%
- BetterYou64%
- Horbäach11%
- WALLZON8%
- NEW LEAF PRODUCTS5%
- MGSPORT4%
- Harrogate Organics Company3%
- Open — no brand owns it (2 brands, 4%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -10.2% search growth over the last 90 days.Peak months: Aug · busiest ÷ quietest = 1.8×
Top magnesium oil search terms
- magnesium spray245K/yr
- magnesium oil spray54K/yr
- magnesium oil85K/yr
- better you magnesium spray41K/yr
- magnesium spray for muscle pain16K/yr
- magnesium spray for restless legs22K/yr
- magnesium spray for sleep34K/yr
- magnesium oil spray for joints and aching muscles13K/yr
- magnesium sleep spray17K/yr
- better you magnesium14K/yr
Top magnesium oil 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 12 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
BetterYou Magnesium Supplement High Strength Magnesium Oil Spray | Natural Vegan Magnesium Chloride Liquid for Sleep Muscle Recovery Use for Feet and Legs 600 Sprays Made in UK
BetterYou£6.484.3★10,704 rev
BetterYou Magnesium Sleep Body Spray Made with Zechstein Magnesium Chloride and Essential Oils Magnesium Supplement Natural Sleep Aid Palm-Oil Free 100ml (600 Sprays)
BetterYou£7.344.2★5,933 rev
BetterYou Magnesium Joint Body Spray Magnesium Chloride and Glucosamine Effective Support for Joints and Muscles Supports Relaxation 100ml Magnesum Oil Supplement
BetterYou£7.694.4★2,099 rev
Magnesium Oil Spray Restless Legs Muscle Pain Sleep | 250ml XL Size | 100% Pure Magnesium Chloride | High Absorption Vegan Spray | Horbaach
Horbäach£7.604.2★1,393 rev
Pure Magnesium Oil Spray High Potent 32% Concentration Better Sleep Muscle Ache and Stress Relief Body Odor Reduction Topical Pure Magnesium Oil Spray for Feet
WALLZON£7.064.0★373 rev
Newest
by launch date
Magnesium Oil Spray - 100% Pure Elemental Magnesium Sleep Spray XL Size 250ml Joints and Aching Muscles - Vegan with 115mg Magnesium Chloride Per Serving - Made in The UK By New Leaf
NEW LEAF PRODUCTS£6.28450 rev
Pure Magnesium Oil Spray High Potent 32% Concentration Better Sleep Muscle Ache and Stress Relief Body Odor Reduction Topical Pure Magnesium Oil Spray for Feet
WALLZON£7.06373 rev
Magnesium Oil High Strength Pure 32% High Concentration Potent Magnesium Oil Spray for Feet Benifits for Better Sleep Muscle Ache and Stress Relief Body Odor Reduction (250ml)
WALLZON£8.66373 rev
Magnesium Spray Magnesium Oil for Feet Pure Magnesium Oil Spray for Sleep Topical Magnesium Spray 100% Pure and Organic Glass Bottle Travel Size 60ml
Bieyoc£6.96513 rev
Ultra Pure Magnesium Sleep Spray 150ml Muscle Recovery & Stress Relief
Harrogate Organics Company£19.93685 rev
Trending
90-day click momentum
BetterYou Magnesium Supplement High Strength Magnesium Muscle Oil Spray | Natural Vegan Magnesium Chloride Liquid for Sleep Muscle Recovery Use for Feet and Legs 600 Sprays Made in UK
BetterYou£7.304.4★
BetterYou Magnesium Joint Body Spray Magnesium Chloride and Glucosamine Effective Support for Joints and Muscles Supports Relaxation 100ml Magnesum Oil Supplement
BetterYou£7.694.4★
Pure Magnesium Oil Spray High Potent 32% Concentration Better Sleep Muscle Ache and Stress Relief Body Odor Reduction Topical Pure Magnesium Oil Spray for Feet
WALLZON£7.064.0★
Magnesium Oil High Strength Pure 32% High Concentration Potent Magnesium Oil Spray for Feet Benifits for Better Sleep Muscle Ache and Stress Relief Body Odor Reduction (250ml)
WALLZON£8.664.0★
Magnesium Oil Spray Restless Legs Muscle Pain Sleep | 250ml XL Size | 100% Pure Magnesium Chloride | High Absorption Vegan Spray | Horbaach
Horbäach£7.604.2★
What buyers say about magnesium oil
What buyers praise and complain about, mined from review topics.What buyers love
“Helps me sleep”
“Great quality works like it says on the box fast delivery thankyou”
“Magnesium oil spray is quite good thank you”
“Ease your joints”
“Definitely worth it”
“Ease of use”
“Ease those muscles”
“Does the job”
“Very effective for me”
“The spray is easy to use and absorbs well”
What buyers complain about
“Allergic reaction”
“Not the most effective”
“left me with sticky feeling”
“high zero tablets are better for magnesium supplement”
“I had been struggling with getting enough deep sleep”
“Difficult to use”
“leaks”
“Really greasy does nothing”
“A little spray, rub it in, pain goes, feel less like an old man for a while”
“Sadly ineffective for nerve pain”
Top return reasons
Common questions
- Is magnesium oil profitable to sell on Amazon United Kingdom?
- The niche generates £690K/yr across 12 tracked products. 90-day search growth is -10.2%. Flapen's verdict: Worth a look (51/100).
- How competitive is the magnesium oil niche?
- 8 brands and 36 sellers compete. The top 5 products take 76% of clicks and top 5 brands hold 92% of demand.
- What do buyers complain about in magnesium oil?
- Top complaints mined from reviews: Allergies, Functionality-Overall, Adhesion/Stickiness. The return rate is 0.1%.
- When does demand for magnesium oil peak?
- Demand peaks in Aug; the busiest month runs 1.8× the quietest.
- What does it cost to enter the magnesium oil niche?
- Listings span £6.28–£19.93; the average listing price is £9.84 (sweet spot $15–$100). The average incumbent carries 2,519 reviews — the moat a new listing must climb.