---
title: "Restless Leg Syndrome Relief — £691K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/restless-leg-syndrome-relief"
last_updated: "2026-07-31T13:28:10.291Z"
locale: en
meta:
  description: "Niche score 51/100 · £691K/yr market · 702K searches/yr · £9.62 avg price. Soft demand (-8.9% this quarter) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 51/100 · £691K/yr market · 702K searches/yr · £9.62 avg price. Soft demand (-8.9% this quarter) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Restless Leg Syndrome Relief — £691K/yr Amazon UK Niche (2026) - Flapen"
---

# **restless leg syndrome relief**

**Worth a look**

Shows low returns (0.1%), but soft demand (-8.9% this quarter) keeps it on the watch list.

Market size 68Growth 21Conversion 88Competition 22Returns 100Price range 33Avg price 30Brand share 28Review moat 43Quality gap 76

**Returns**

**Incredible****0.1%**

return rate — above 5% kills the launch gate

**Conversion**

**Great****10.2%**

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****£691K**

£691K/yr · 702K searches

**Review moat**

**Okay****2,172.14**

avg incumbent reviews — the moat a new listing must climb

**Price range**

**Okay****£4.97–£19.93**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Avg price**

**Okay****£9.62**

avg listing price — sweet spot $15–$100

**Brand share**

**Okay****88%**

top-5 brand share — brands hold most of the demand

**Competition**

**Bad****74%**

top-5 click share — a locked-up shelf

**Growth**

**Bad****-8.9%**

90-day search growth — must beat 0% to launch

According to Flapen's Amazon United Kingdom niche tracking, restless leg syndrome relief is a £691K/yr Amazon United Kingdom market (702K searches/yr). The top 5 brands hold 88% of demand. Verdict: Worth a look — 51/100.

Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **restless leg syndrome relief market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**80K–100K**</dd><dd>avg 5,000–6,000/product</dd>

<dt>**Revenue / yr**</dt><dd>**£770K–£962K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**10.2%**</dd>

<dt>**Avg BSR**</dt><dd>**#123**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**93%**</dd>

<dt>**Out of stock**</dt><dd>**2.9%**</dd>

<dt>**Avg brand age**</dt><dd>**38 months**</dd>

<dt>**Avg seller age**</dt><dd>**173 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products capture 74% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**10 **▼falling

**Sellers**

**38**

**Top-5 brand share**

**88%**

Top 20: 100%

**Top-5 click share**

**74%**

Top 20: 100%

**Open market**

**8%**

- BetterYou61% - Horbäach11% - WALLZON8% - NEW LEAF PRODUCTS4% - MGSPORT4% - Harrogate Organics Company3% - Open — no brand owns it (4 brands, 8%)

## **Demand**

Weekly Amazon search volume, last 50 weeks — -8.9% search growth over the last 90 days.

13K8KSpike '26Aug '25Oct '25Nov '25Jan '26Mar '26May '26

[**Open Trend **](https://flapen.com/research/uk/health-personal-care/restless-leg-syndrome-relief/trend)

## **Top restless leg syndrome relief search terms**

- **magnesium spray**245K/yr-8.1%9.8% conv. - **magnesium oil spray**54K/yr+33.3%10.0% conv. - **magnesium oil**85K/yr-28.1%8.1% conv. - **restless leg syndrome relief**40K/yr-6.3%3.1% 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%9.3% conv. - **restless legs relief**19K/yr+19.4%2.4% 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. [**All search terms **](https://flapen.com/research/uk/health-personal-care/restless-leg-syndrome-relief/search-terms)

## **Top restless leg syndrome relief 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%£276K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 14 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](https://m.media-amazon.com/images/I/41fbgpRMDlL.jpg)**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)](https://m.media-amazon.com/images/I/41U4vuDouJL.jpg)**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](https://m.media-amazon.com/images/I/41J3jOhQpfL.jpg)**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](https://m.media-amazon.com/images/I/41VEgN96sML.jpg)**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](https://m.media-amazon.com/images/I/412g5AT8Q4L.jpg)**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

[![Amulet Restless Legs & Cramps Relief Supplement 1400mg Magnesium Complex with Zinc B12 & B6 Support for Night Leg Cramps & Restless Leg Syndrome 90 Vegan Capsules](https://m.media-amazon.com/images/I/41o3wksKKTL.jpg)**Amulet Restless Legs & Cramps Relief Supplement 1400mg Magnesium Complex with Zinc B12 & B6 Support for Night Leg Cramps & Restless Leg Syndrome 90 Vegan Capsules**Amulet**£11.69**85 rev10mo ago](https://www.amazon.co.uk/dp/B0FQJDJMB2) [![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](https://m.media-amazon.com/images/I/51VArNySnrL.jpg)**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) [![Magnesium Oil Spray 60ml 100% Natural Topical Magnesium Spray for Feet Magnesium Spray for Sleep Magnesium Oil for Feet Muscle Recovery and Leg Cramps Gluten Free](https://m.media-amazon.com/images/I/51c+Mce1TAL.jpg)**Magnesium Oil Spray 60ml 100% Natural Topical Magnesium Spray for Feet Magnesium Spray for Sleep Magnesium Oil for Feet Muscle Recovery and Leg Cramps Gluten Free**QUANHAO**£4.97**92 rev1y ago](https://www.amazon.co.uk/dp/B0DK6FXDTN) [![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](https://m.media-amazon.com/images/I/412g5AT8Q4L.jpg)**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)](https://m.media-amazon.com/images/I/41WomAqLBfL.jpg)**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)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Magnesium Oil Spray 60ml 100% Natural Topical Magnesium Spray for Feet Magnesium Spray for Sleep Magnesium Oil for Feet Muscle Recovery and Leg Cramps Gluten Free](https://m.media-amazon.com/images/I/51c+Mce1TAL.jpg)**Magnesium Oil Spray 60ml 100% Natural Topical Magnesium Spray for Feet Magnesium Spray for Sleep Magnesium Oil for Feet Muscle Recovery and Leg Cramps Gluten Free**QUANHAO**£4.97**4.4★**▲ 174%**](https://www.amazon.co.uk/dp/B0DK6FXDTN) [![Amulet Restless Legs & Cramps Relief Supplement 1400mg Magnesium Complex with Zinc B12 & B6 Support for Night Leg Cramps & Restless Leg Syndrome 90 Vegan Capsules](https://m.media-amazon.com/images/I/41o3wksKKTL.jpg)**Amulet Restless Legs & Cramps Relief Supplement 1400mg Magnesium Complex with Zinc B12 & B6 Support for Night Leg Cramps & Restless Leg Syndrome 90 Vegan Capsules**Amulet**£11.69**4.5★**▲ 94%**](https://www.amazon.co.uk/dp/B0FQJDJMB2) [![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](https://m.media-amazon.com/images/I/41P3OL1XCpL.jpg)**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★**▲ 36%**](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](https://m.media-amazon.com/images/I/41J3jOhQpfL.jpg)**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★**▲ 24%**](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](https://m.media-amazon.com/images/I/412g5AT8Q4L.jpg)**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★**▲ 15%**](https://www.amazon.co.uk/dp/B0D966FSF7)

**~~View all trending →~~**

## **What buyers say about restless leg syndrome relief**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Sleep Quality**20%

*“it actually works to help you sleep”*

**Quality-Overall**10%

*“Great quality works like it says on the box fast delivery thankyou”*

**Magnesium**9%

*“Magnesium oil spray is quite good thank you”*

**Joint Pain**8%

*“Ease your joints”*

**Muscle Pain Relief**6%

*“Ease those muscles”*

**Value For Money**6%

*“Definitely worth it”*

**Ease Of Use**5%

*“Ease of use”*

**Efficiency**5%

*“Very effective for me”*

**Advertised Vs Actual Product**3%

*“Does the job”*

**Spray/Flow**2%

*“The spray is easy to use and absorbs well”*

### **What buyers complain about **

**Allergies**14%

*“Allergic reaction”*

**Functionality-Overall**10%

*“Not effective”*

**Sleep Quality**6%

*“I had been struggling with getting enough deep sleep”*

**Magnesium**6%

*“I do not like this magnesium spray at all”*

**Adhesion/Stickiness**6%

*“left me with sticky feeling”*

**Ease Of Use**4%

*“Difficult to use”*

**Leak-Proof**3%

*“leaks”*

**Oily/Greasy**3%

*“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”*

**Side Effects**2%

*“Side effects”*

### **Top return reasons **

**Leak-Proof**33%

**Functionality-Overall**25%

**Ease Of Use**8%

**Dilute/Watery**8%

**Adhesion/Stickiness**8%

**Moist/Dry**8%

**Skin Health**8%

## **Common questions**

<dl>

<dt>**Is restless leg syndrome relief profitable to sell on Amazon United Kingdom?**</dt><dd>The niche generates £691K/yr across 14 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -8.9%. Flapen's verdict: Worth a look (51/100).</dd>

<dt>**How competitive is the restless leg syndrome relief niche?**</dt><dd>10 brands and 38 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 88% of demand.</dd>

<dt>**What do buyers complain about in restless leg syndrome relief?**</dt><dd>Top complaints mined from reviews: Allergies, Functionality-Overall, Sleep Quality. The return rate is 0.1%.</dd>

<dt>**What does it cost to enter the restless leg syndrome relief niche?**</dt><dd>Listings span £4.97–£19.93; the average listing price is £9.62 (sweet spot $15–$100). The average incumbent carries 2,172 reviews — the moat a new listing must climb.</dd>

</dl>

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