---
title: "Quinine Tablets for Leg Cramps — £48K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/quinine-tablets-for-leg-cramps"
last_updated: "2026-07-31T13:29:19.658Z"
locale: en
meta:
  description: "Niche score 57/100 · £48K/yr market · 69K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 57/100 · £48K/yr market · 69K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Quinine Tablets for Leg Cramps — £48K/yr Amazon UK Niche (2026) - Flapen"
---

# **quinine tablets for leg cramps**

**Worth a look**

Shows low returns (0.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 12Growth 66Conversion 63Competition 49Returns 100Price range 61Avg price 53Brand share 68Review moat 27Quality gap 75

**Returns**

**Incredible****0.1%**

return rate — above 5% kills the launch gate

**Quality gap**

**Great****4.3★**

avg incumbent rating — lower means beatable quality

**Brand share**

**Good****64%**

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

**Growth**

**Good****+44.8%**

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

**Conversion**

**Good****5.6%**

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

**Price range**

**Good****£4.28–£31.85**

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

**Avg price**

**Good****£12.35**

avg listing price — sweet spot $15–$100

**Competition**

**Okay****56%**

top-5 click share — leaders hold, buyers still browse

**Review moat**

**Okay****3,785.72**

avg incumbent reviews — the moat a new listing must climb

**Market size**

**Bad****£48K**

£48K/yr · 69K searches

According to Flapen's Amazon United Kingdom niche tracking, quinine tablets for leg cramps is a £48K/yr Amazon United Kingdom market (69K searches/yr). The top 5 brands hold 64% of demand. Demand peaks in Aug. Verdict: Worth a look — 57/100.

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

## **quinine tablets for leg cramps market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**3K–4K**</dd><dd>avg 100–250/product</dd>

<dt>**Revenue / yr**</dt><dd>**£37K–£49K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**5.6%**</dd>

<dt>**Avg BSR**</dt><dd>**#155**</dd>

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

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

<dt>**Sponsored**</dt><dd>**80%**</dd>

<dt>**Out of stock**</dt><dd>**12.1%**</dd>

<dt>**Avg brand age**</dt><dd>**47 months**</dd>

<dt>**Avg seller age**</dt><dd>**169 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 56% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**20 **▲rising

**Sellers**

**45**

**Top-5 brand share**

**64%**

Top 20: 100%

**Top-5 click share**

**56%**

Top 20: 95%

**Open market**

**30%**

- MAGNOX21% - OZUNA NUTRITION14% - Health Thru Nutrition12% - Theraworx9% - Nutrition Geeks9% - Bodygenix6%

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +44.8% search growth over the last 90 days.

2K1KSpike '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Aug · busiest ÷ quietest = 1.8×

[**Open Trend **](https://flapen.com/research/uk/health-personal-care/quinine-tablets-for-leg-cramps/trend)

## **Top quinine tablets for leg cramps search terms**

- **quinine tablets for leg cramps**15K/yr+41.5%4.1% conv. - **cramp relief for legs**12K/yr+64.7%4.9% conv. - **cramp tablets**5K/yr+42.5%6.0% conv. - **instant leg cramp relief**5K/yr+57.2%2.6% conv. - **anti cramp tablets**4K/yr+96.6%5.1% conv. - **leg cramps relief at night**6K/yr+5.1%5.2% conv. - **crampex tablets- muscle cramp**4K/yr+74.9%2.8% conv. - **cramp relief**4K/yr+64.6%3.4% conv. - **cramp**3K/yr-1.1%2.6% conv. - **stop leg cramps at night**2K/yr+70.0%3.1% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/quinine-tablets-for-leg-cramps/search-terms)

## **Top quinine tablets for leg cramps 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%4%£2K8%£4K12%£6K16%£8K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 24 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Cramp Guard Magnesium Supplement | Sports & Nocturnal Cramp Relief | Highly Bioavailable Magnesium Citrate Vitamin D3 & Calcium | Muscle Leg Cramps & Restless Leg Syndrome (RLS) Relief 60 Capsules](https://m.media-amazon.com/images/I/41ET53H38QL.jpg)**Cramp Guard Magnesium Supplement | Sports & Nocturnal Cramp Relief | Highly Bioavailable Magnesium Citrate Vitamin D3 & Calcium | Muscle Leg Cramps & Restless Leg Syndrome (RLS) Relief 60 Capsules**OZUNA NUTRITION**£10.90**4.2★72 rev](https://www.amazon.co.uk/dp/B0CWZC8RL1) [2![MAGNOX Buster | Patented Clinically Tested 380mg Magnesium Supplement for Spasms & Leg Cramps at Night | One Capsule a Day for Almost Full Dosage | 3X More Absorption | Dead Sea Minerals (60 Caps)](https://m.media-amazon.com/images/I/51wwebKJ3RL.jpg)**MAGNOX Buster | Patented Clinically Tested 380mg Magnesium Supplement for Spasms & Leg Cramps at Night | One Capsule a Day for Almost Full Dosage | 3X More Absorption | Dead Sea Minerals (60 Caps)**MAGNOX**£23.32**4.2★1,658 rev](https://www.amazon.co.uk/dp/B0968DFWGV) [3![PQQ 20mg Pyrroloquinoline Quinone as PureQQ | Vegan Certified Non-GMO Gluten Free | by Health Thru Nutrition (Pack of 120)](https://m.media-amazon.com/images/I/41-pq+iBULL.jpg)**PQQ 20mg Pyrroloquinoline Quinone as PureQQ | Vegan Certified Non-GMO Gluten Free | by Health Thru Nutrition (Pack of 120)**Health Thru Nutrition**£16.03**4.6★1,980 rev](https://www.amazon.co.uk/dp/B07CVNX2RV) [4![Magnesium Glycinate 3-in-1 Complex - 1800mg Supplements as Bisglycinate Citrate & Malate 90 Vegan Capsules Triple High Absorption 384mg Elemental UK Made](https://m.media-amazon.com/images/I/41bvVrZgxEL.jpg)**Magnesium Glycinate 3-in-1 Complex - 1800mg Supplements as Bisglycinate Citrate & Malate 90 Vegan Capsules Triple High Absorption 384mg Elemental UK Made**Nutrition Geeks**£8.11**4.5★35,795 rev](https://www.amazon.co.uk/dp/B0C9VVCL12) [5![Theraworx Relief for Muscle Cramps Roll-On Fast-Acting Muscle Spasm Leg Soreness with Magnesium Sulfate - 2.5 oz - 1 Count](https://m.media-amazon.com/images/I/41-8xgJuC3L.jpg)**Theraworx Relief for Muscle Cramps Roll-On Fast-Acting Muscle Spasm Leg Soreness with Magnesium Sulfate - 2.5 oz - 1 Count**Theraworx**£17.71**4.5★4,850 rev](https://www.amazon.co.uk/dp/B0C5G4TBXC)

**~~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) [![Cramp Relief Supplement Magnesium Supplement for Muscle & Leg Cramps & Spasms with Magnesium VIT D3 & Calcium for Sleep & Muscle Relaxation Halal & Suitable for Vegetarians DeenVida Nutrition](https://m.media-amazon.com/images/I/41y-cYcMYwL.jpg)**Cramp Relief Supplement Magnesium Supplement for Muscle & Leg Cramps & Spasms with Magnesium VIT D3 & Calcium for Sleep & Muscle Relaxation Halal & Suitable for Vegetarians DeenVida Nutrition**DEENVIDA NUTRITION**£11.89**11 rev1y ago](https://www.amazon.co.uk/dp/B0F71GYBY8) [![Advanced Magnesium Complex with Vitamin B6 | Made in the UK | Magnesium Supplements for Restless Leg Syndrome Relief Leg Cramps & Sleep | Mag Citrate Oxide & VIT B6 | 60 Capsules](https://m.media-amazon.com/images/I/414Xwd+5qdL.jpg)**Advanced Magnesium Complex with Vitamin B6 | Made in the UK | Magnesium Supplements for Restless Leg Syndrome Relief Leg Cramps & Sleep | Mag Citrate Oxide & VIT B6 | 60 Capsules**Oxford Origins**£6.65**1,308 rev1y ago](https://www.amazon.co.uk/dp/B0DP3J36Q5) [![Magnesium Cream with Magnesium Chloride Topical Magnesium Butter Balm for Muscle Comfort & Tired Legs Nighttime Relaxing Formula - 90g](https://m.media-amazon.com/images/I/51-NBPuDTxL.jpg)**Magnesium Cream with Magnesium Chloride Topical Magnesium Butter Balm for Muscle Comfort & Tired Legs Nighttime Relaxing Formula - 90g**RoongDuuDll**£7.22**362 rev1y ago](https://www.amazon.co.uk/dp/B0DNSTTWRP) [![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)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![PQQ 20mg Pyrroloquinoline Quinone as PureQQ | Vegan Certified Non-GMO Gluten Free | by Health Thru Nutrition (Pack of 120)](https://m.media-amazon.com/images/I/41-pq+iBULL.jpg)**PQQ 20mg Pyrroloquinoline Quinone as PureQQ | Vegan Certified Non-GMO Gluten Free | by Health Thru Nutrition (Pack of 120)**Health Thru Nutrition**£16.03**4.6★**▲ 138%**](https://www.amazon.co.uk/dp/B07CVNX2RV) [![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★**▲ 115%**](https://www.amazon.co.uk/dp/B0D966FSF7) [![Electrolyte Tablets - Rapid Acting High Strength Rehydration Tablets with Sodium Potassium Magnesium - Muscle Cramp & Dehydration Relief for Sports Running Keto Fasting Salts - 120 Vegan Capsules](https://m.media-amazon.com/images/I/41iiKgMOVdL.jpg)**Electrolyte Tablets - Rapid Acting High Strength Rehydration Tablets with Sodium Potassium Magnesium - Muscle Cramp & Dehydration Relief for Sports Running Keto Fasting Salts - 120 Vegan Capsules**Mr Run**£8.63**4.5★**▲ 76%**](https://www.amazon.co.uk/dp/B0CKS1H1QX) [![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★**▲ 71%**](https://www.amazon.co.uk/dp/B0FQJDJMB2) [![Cramp Relief Supplement Magnesium Supplement for Muscle & Leg Cramps & Spasms with Magnesium VIT D3 & Calcium for Sleep & Muscle Relaxation Halal & Suitable for Vegetarians DeenVida Nutrition](https://m.media-amazon.com/images/I/41y-cYcMYwL.jpg)**Cramp Relief Supplement Magnesium Supplement for Muscle & Leg Cramps & Spasms with Magnesium VIT D3 & Calcium for Sleep & Muscle Relaxation Halal & Suitable for Vegetarians DeenVida Nutrition**DEENVIDA NUTRITION**£11.89**3.9★**▲ 60%**](https://www.amazon.co.uk/dp/B0F71GYBY8)

**~~View all trending →~~**

## **What buyers say about quinine tablets for leg cramps**

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

### **What buyers love **

**Sleep Quality**25%

*“HELPS WITH SLEEP”*

**Quality-Overall**14%

*“They appear well made”*

**Value For Money**10%

*“Good value for money”*

**Magnesium**9%

*“Best magnesium supplement around”*

**Muscle Pain Relief**6%

*“helps muscle cramps”*

**Advertised Vs Actual Product**5%

*“As Advertised”*

**Efficiency**4%

*“Works perfectly”*

**Ease Of Chewing/Swallowing**3%

*“i've found no problem in swallowing them”*

**Vitamin**2%

*“Vitamins, easy to swallow good amount of supply”*

**Ease Of Use**2%

*“Easy to use”*

### **What buyers complain about **

**Sleep Quality**15%

*“still cant sleep”*

**Functionality-Overall**10%

*“Did not work”*

**Magnesium**8%

*“This magnesium does not work”*

**Acid Regulator/Stomach Ache Relief**6%

*“Gives you stomach cramps”*

**Dosage**5%

*“The dosage is far too high”*

**Side Effects**5%

*“Will make you ill”*

**Size-Overall**4%

*“Quite big tablets”*

**Advertised Vs Actual Product**3%

*“It's not as described”*

**Quality-Overall**3%

*“Absolutely rubbish”*

**Value For Money**3%

*“Waste of money”*

### **Top return reasons **

**Magnesium**25%

**Dilute/Watery**25%

**Joint Pain**25%

**Moist/Dry**13%

**Leak-Proof**13%

## **Common questions**

<dl>

<dt>**Is quinine tablets for leg cramps profitable to sell on Amazon United Kingdom?**</dt><dd>The niche generates £48K/yr across 25 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +44.8%. Flapen's verdict: Worth a look (57/100).</dd>

<dt>**How competitive is the quinine tablets for leg cramps niche?**</dt><dd>20 brands and 45 sellers compete. The top 5 products take 56% of clicks and top 5 brands hold 64% of demand.</dd>

<dt>**What do buyers complain about in quinine tablets for leg cramps?**</dt><dd>Top complaints mined from reviews: Sleep Quality, Functionality-Overall, Magnesium. The return rate is 0.1%.</dd>

<dt>**When does demand for quinine tablets for leg cramps peak?**</dt><dd>Demand peaks in Aug; the busiest month runs 1.8× the quietest.</dd>

<dt>**What does it cost to enter the quinine tablets for leg cramps niche?**</dt><dd>Listings span £4.28–£31.85; the average listing price is £12.35 (sweet spot $15–$100). The average incumbent carries 3,786 reviews — the moat a new listing must climb.</dd>

</dl>

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