---
title: "Magnesium Oil — £690K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/magnesium-oil"
last_updated: "2026-07-31T19:52:14.688Z"
locale: en
meta:
description: "Niche score 51/100 · £690K/yr market · 630K searches/yr · £9.84 avg price. Soft demand (-10.2% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 51/100 · £690K/yr market · 630K searches/yr · £9.84 avg price. Soft demand (-10.2% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Magnesium Oil — £690K/yr Amazon UK Niche (2026) - Flapen"
---
# **magnesium oil**
**Worth a look**
Shows low returns (0.1%), but soft demand (-10.2% this quarter) keeps it on the watch list.
Market size 68Growth 20Conversion 92Competition 20Returns 100Price range 36Avg price 32Brand share 20Review moat 40Quality gap 78
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****11.1%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Market size**
**Good****£690K**
£690K/yr · 630K searches
**Review moat**
**Okay****2,519.42**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Okay****£6.28–£19.93**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Okay****£9.84**
avg listing price — sweet spot $15–$100
**Growth**
**Bad****-10.2%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****76%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****92%**
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 ~~](https://flapen.com/research/methodology)
## **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.
30K20KSpike '24Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Aug · busiest ÷ quietest = 1.8×
[**Open Trend **](https://flapen.com/research/uk/health-personal-care/magnesium-oil/trend)
## **Top magnesium oil search terms**
- **magnesium spray**245K/yr-8.1%9.5% conv. - **magnesium oil spray**54K/yr+33.3%10.0% conv. - **magnesium oil**85K/yr-28.1%8.0% conv. - **better you magnesium spray**41K/yr-15.9%14.2% conv. - **magnesium spray for muscle pain**16K/yr+14.8%11.9% conv. - **magnesium spray for restless legs**22K/yr+23.7%9.2% conv. - **magnesium spray for sleep**34K/yr-58.6%8.8% conv. - **magnesium oil spray for joints and aching muscles**13K/yr+31.7%9.1% conv. - **magnesium sleep spray**17K/yr-17.8%11.1% conv. - **better you magnesium**14K/yr-27.9%1.9% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/magnesium-oil/search-terms)
## **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.
0%10%£69K20%£138K30%£207K40%£276K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 12 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**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**£6.48**4.3★10,704 rev](https://www.amazon.co.uk/dp/B002VPDX4W) [2**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**£7.34**4.2★5,933 rev](https://www.amazon.co.uk/dp/B002VPDX56) [3**BetterYou Magnesium Joint Body Spray Magnesium Chloride and Glucosamine Effective Support for Joints and Muscles Supports Relaxation 100ml Magnesum Oil Supplement**BetterYou**£7.69**4.4★2,099 rev](https://www.amazon.co.uk/dp/B003JMTPWA) [4**Magnesium Oil Spray Restless Legs Muscle Pain Sleep | 250ml XL Size | 100% Pure Magnesium Chloride | High Absorption Vegan Spray | Horbaach**Horbäach**£7.60**4.2★1,393 rev](https://www.amazon.co.uk/dp/B091TZ3R3G) [5**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**£7.06**4.0★373 rev](https://www.amazon.co.uk/dp/B0D966FSF7)
**~~View all top sellers →~~**
### **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**£6.28**450 rev1y ago](https://www.amazon.co.uk/dp/B0DLP8D27P) [**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**£7.06**373 rev2y ago](https://www.amazon.co.uk/dp/B0D966FSF7) [**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**£8.66**373 rev2y ago](https://www.amazon.co.uk/dp/B0D965Y7B7) [**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**£6.96**513 rev2y ago](https://www.amazon.co.uk/dp/B0D6B4B11P) [**Ultra Pure Magnesium Sleep Spray 150ml Muscle Recovery & Stress Relief**Harrogate Organics Company**£19.93**685 rev4y ago](https://www.amazon.co.uk/dp/B09H39K4GC)
**~~View all new products →~~**
### **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**£7.30**4.4★**▲ 35%**](https://www.amazon.co.uk/dp/B085767YWS) [**BetterYou Magnesium Joint Body Spray Magnesium Chloride and Glucosamine Effective Support for Joints and Muscles Supports Relaxation 100ml Magnesum Oil Supplement**BetterYou**£7.69**4.4★**▲ 26%**](https://www.amazon.co.uk/dp/B003JMTPWA) [**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**£7.06**4.0★**▲ 14%**](https://www.amazon.co.uk/dp/B0D966FSF7) [**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**£8.66**4.0★**▲ 12%**](https://www.amazon.co.uk/dp/B0D965Y7B7) [**Magnesium Oil Spray Restless Legs Muscle Pain Sleep | 250ml XL Size | 100% Pure Magnesium Chloride | High Absorption Vegan Spray | Horbaach**Horbäach**£7.60**4.2★**— 6%**](https://www.amazon.co.uk/dp/B091TZ3R3G)
**~~View all trending →~~**
## **What buyers say about magnesium oil**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Sleep Quality**17%
*“Helps me sleep”*
**Quality-Overall**10%
*“Great quality works like it says on the box fast delivery thankyou”*
**Magnesium**10%
*“Magnesium oil spray is quite good thank you”*
**Joint Pain**9%
*“Ease your joints”*
**Value For Money**7%
*“Definitely worth it”*
**Ease Of Use**6%
*“Ease of use”*
**Muscle Pain Relief**6%
*“Ease those muscles”*
**Advertised Vs Actual Product**4%
*“Does the job”*
**Efficiency**4%
*“Very effective for me”*
**Spray/Flow**3%
*“The spray is easy to use and absorbs well”*
### **What buyers complain about **
**Allergies**16%
*“Allergic reaction”*
**Functionality-Overall**8%
*“Not the most effective”*
**Adhesion/Stickiness**6%
*“left me with sticky feeling”*
**Magnesium**6%
*“high zero tablets are better for magnesium supplement”*
**Sleep Quality**5%
*“I had been struggling with getting enough deep sleep”*
**Ease Of Use**4%
*“Difficult to use”*
**Leak-Proof**4%
*“leaks”*
**Oily/Greasy**4%
*“Really greasy does nothing”*
**Pain Relief-Overall**3%
*“A little spray, rub it in, pain goes, feel less like an old man for a while”*
**Joint Pain**3%
*“Sadly ineffective for nerve pain”*
### **Top return reasons **
**Leak-Proof**33%
**Functionality-Overall**25%
**Adhesion/Stickiness**8%
**Skin Health**8%
**Dilute/Watery**8%
**Ease Of Use**8%
**Moist/Dry**8%
## **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.
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