Is restless leg syndrome relief profitable to sell on Amazon United Kingdom?

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).

How competitive is the restless leg syndrome relief niche?

10 brands and 38 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 88% of demand.

What do buyers complain about in restless leg syndrome relief?

Top complaints mined from reviews: Allergies, Functionality-Overall, Sleep Quality. The return rate is 0.1%.

What does it cost to enter the restless leg syndrome relief niche?

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.

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.

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Conversion

Great10.2%

search→purchase rate — share of searches ending in a sale

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Market size

Good£691K

£691K/yr · 702K searches

Review moat

Okay2,172.14

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

Okay88%

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

Competition

Bad74%

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

restless leg syndrome relief market data

Units sold / yr: 80K–100K; avg 5,000–6,000/product
Revenue / yr: £770K–£962K; units × avg price
Conversion rate: 10.2%
Avg BSR: #123
Page quality: 0%
Prime: 100%
Sponsored: 93%
Out of stock: 2.9%
Avg brand age: 38 months
Avg seller age: 173 days

Competition & brand share

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

Brands

10 falling

Sellers

Top-5 brand share

88%

Top 20: 100%

Top-5 click share

74%

Top 20: 100%

Open market

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.

Open Trend

Top restless leg syndrome relief search terms

magnesium spray245K/yr -8.1%9.8% conv.
magnesium oil spray54K/yr +33.3%10.0% conv.
magnesium oil85K/yr -28.1%8.1% conv.
restless leg syndrome relief40K/yr -6.3%3.1% conv.
better you magnesium spray41K/yr -15.9%14.2% conv.
magnesium spray for muscle pain16K/yr +14.8%11.9% conv.
magnesium spray for restless legs22K/yr +23.7%9.3% conv.
restless legs relief19K/yr +19.4%2.4% conv.
magnesium spray for sleep34K/yr -58.6%8.8% conv.
magnesium oil spray for joints and aching muscles13K/yr +31.7%9.1% conv.

All 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.

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

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

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£11.6985 rev

10mo ago

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

1y ago

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£4.9792 rev

1y ago

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

2y ago

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

2y ago

What buyers say about restless leg syndrome relief

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

What buyers love

Sleep Quality20%

“it actually works to help you sleep”

Quality-Overall10%

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

Magnesium9%

“Magnesium oil spray is quite good thank you”

Joint Pain8%

“Ease your joints”

Muscle Pain Relief6%

“Ease those muscles”

Value For Money6%

“Definitely worth it”

Ease Of Use5%

“Ease of use”

Efficiency5%

“Very effective for me”

Advertised Vs Actual Product3%

“Does the job”

Spray/Flow2%

“The spray is easy to use and absorbs well”

What buyers complain about

Allergies14%

“Allergic reaction”

Functionality-Overall10%

“Not effective”

Sleep Quality6%

“I had been struggling with getting enough deep sleep”

Magnesium6%

“I do not like this magnesium spray at all”

Adhesion/Stickiness6%

“left me with sticky feeling”

Ease Of Use4%

“Difficult to use”

Leak-Proof3%

“leaks”

Oily/Greasy3%

“Really greasy does nothing”

Pain Relief-Overall3%

“A little spray, rub it in, pain goes, feel less like an old man for a while”

Side Effects2%

“Side effects”

Top return reasons

Leak-Proof33%

Functionality-Overall25%

Ease Of Use8%

Dilute/Watery8%

Adhesion/Stickiness8%

Moist/Dry8%

Skin Health8%

Common questions

Is restless leg syndrome relief profitable to sell on Amazon United Kingdom?: 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).
How competitive is the restless leg syndrome relief niche?: 10 brands and 38 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 88% of demand.
What do buyers complain about in restless leg syndrome relief?: Top complaints mined from reviews: Allergies, Functionality-Overall, Sleep Quality. The return rate is 0.1%.
What does it cost to enter the restless leg syndrome relief niche?: 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.