---
title: "Muscle Cramps Relief — $22K/mo Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/health-household/muscle-cramps-relief"
last_updated: "2026-08-12T11:19:06.446Z"
locale: en
meta:
description: "Amazon product research for muscle cramps relief: $22K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for muscle cramps relief: $22K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Muscle Cramps Relief — $22K/mo Amazon US Product Research"
---
# **Muscle Cramps Relief**
**Worth a look**
Shows low returns (0.3%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 48Growth 41Conversion 89Competition 47Returns 99Price range 77Avg price 90Brand share 41Review moat 23Quality gap 45
**Returns**
**Incredible****0.3%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$20.90**
avg listing price — sweet spot $15–$100
**Conversion**
**Great****10.5%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Great****$6.05–$46.60**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Okay****$263K**
$263K/yr · 120K searches
**Competition**
**Okay****57%**
top-5 click share — leaders hold, buyers still browse
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Growth**
**Okay****+12.6%**
90-day search growth — must beat 0% to launch
**Brand share**
**Okay****80%**
top-5 brand share — brands hold most of the demand
**Review moat**
**Bad****6,969.3**
avg incumbent reviews — the moat a new listing must climb
## **Is muscle cramps relief profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, muscle cramps relief is a $263K/yr Amazon United States market (120K searches/yr). The top 5 brands hold 80% of demand. Demand peaks in May–Jun–Jul. Verdict: Worth a look — 57/100.
Data updated Jul 11, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **muscle cramps relief market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **10K–13K**
- avg 250–500/product
- **Revenue / yr**
- **$209K–$261K**
- units × avg price
- **Conversion rate**
- **10.5%**
- **Avg BSR**
- **#356**
- **Page quality**
- **0%**
- **Prime**
- **97%**
- **Sponsored**
- **90%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **65 months**
- **Avg seller age**
- **148 days**
## **Competition: brands, sellers & click share**
The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**18 **▲rising
**Sellers**
**87**
**Top-5 brand share**
**80%**
Top 20: 100%
**Top-5 click share**
**57%**
Top 20: 90%
**Open market**
**17%**
- Theraworx40% - Hyland's23% - Cramp9119% - Pure Encapsulations5% - MagniLife4% - Magnum Solace3% - Open — no brand owns it (12 brands, 17%)
## **muscle cramps relief demand & seasonality**
Weekly Amazon search volume, last 70 weeks — +12.6% search growth over the last 90 days.
13K8KSpike '25Prime Day '25Holiday '25 seasonMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun
Peak months: May, Jun, Jul · busiest ÷ quietest = 5.5×
[**Open Trend **](https://flapen.com/research/us/health-household/muscle-cramps-relief/trend)
## **Top muscle cramps relief search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **muscle cramps relief**35K/yr+29.8%9.9% conv. - **muscle cramps relief instant**12K/yr+27.4%11.5% conv. - **muscle cramps**10K/yr+22.0%7.5% conv. - **charlie horse cramp relief**8K/yr+9.9%7.8% conv. - **anti-muscle cramp supplements**6K/yr+15.6%3.3% conv. - **cure for muscle cramps**2K/yr>1,000%0.7% conv. - **muscle cramp relief**8K/yr-14.4%8.9% conv. - **cramp 911**5K/yr-7.1%14.6% conv. - **muscle cramp and spasm relief**8K/yr-46.3%5.3% conv. - **muscle cramp**7K/yr-34.5%5.8% conv. [**All search terms **](https://flapen.com/research/us/health-household/muscle-cramps-relief/search-terms)
## **Top muscle cramps relief products & what they sell for**
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%5%$13K10%$26K15%$39K20%$53K1101001K10K100K 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**Hylands Leg Cramps Relief of Leg Calf Charley Horses and Foot Cramps 100 Quick-Dissolving Tablets**Hyland's**$12.00**4.6★24,130 rev](https://www.amazon.com/dp/B08Y6T514L) [2**Theraworx Relief for Muscle Cramps Roll-On Fast-Acting Muscle Spasm Leg Soreness with Magnesium Sulfate - 2.5 oz - 1 Count**Theraworx**$11.45**4.6★5,599 rev](https://www.amazon.com/dp/B0C5G4TBXC) [3**Theraworx for Muscle Cramps Relief Foam Made with Magnesium Sulfate Fast-Acting Muscle & Leg Cramp Support Paraben-Free 7.1 oz**Theraworx**$18.51**4.5★27,737 rev](https://www.amazon.com/dp/B06XD2YSX1) [4**Theraworx Relief for Muscle Cramps Roll-On Fast-Acting Muscle Spasm Leg Soreness with Magnesium Sulfate - 2.5 oz - 2 Count**Theraworx**$20.32**4.6★5,599 rev](https://www.amazon.com/dp/B0D3SZY3TW) [5**Hylands Leg Cramps PM Relief of Nighttime Leg Calf and Foot Cramps 50 Quick-Dissolving Tablets**Hyland's**$9.83**4.6★24,130 rev](https://www.amazon.com/dp/B002YXUPGK)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Magnum Solace Nighttime Magnesium Lotion with Arnica Highly Concentrated Magnesium for Muscles & Joints Apply to Legs or Feet Before Bed Skin-Friendly**Magnum Solace**$9.66**7,702 rev1y ago](https://www.amazon.com/dp/B0F1QHNFJP) [**Venture Pal Topical Magnesium Cream Fast-Absorbing Magnesium Moisturizing Lotion with Coconut Oil Shea Butter & Hyaluronic Acid Suitable for Kids**Venture Pal**$15.70**2,432 rev1y ago](https://www.amazon.com/dp/B0DDCC2THS) [**Theraworx Relief for Muscle Cramps Roll-On Fast-Acting Muscle Spasm Leg Soreness with Magnesium Sulfate - 2.5 oz - 2 Count**Theraworx**$20.32**5,599 rev2y ago](https://www.amazon.com/dp/B0D3SZY3TW) [**Cramp 911**Fox Valley Traders**$25.91**3 rev2y ago](https://www.amazon.com/dp/B0DCM1XS32) [**Theraworx for Muscle Cramps Relief Foam Made with Magnesium Sulfate Fast-Acting Muscle & Leg Cramp Support Paraben-Free 7.1 oz - 2 Count**Theraworx**$32.68**27,737 rev3y ago](https://www.amazon.com/dp/B0DB9K83N3)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Cramp 911**Fox Valley Traders**$25.91**5.0★**▲ 166%**](https://www.amazon.com/dp/B0DCM1XS32) [**Magnum Solace Nighttime Magnesium Lotion with Arnica Highly Concentrated Magnesium for Muscles & Joints Apply to Legs or Feet Before Bed Skin-Friendly**Magnum Solace**$9.66**4.4★**▲ 76%**](https://www.amazon.com/dp/B0F1QHNFJP) [**No Muscle Cramps. 4 oz 60 Servings Hydration Electrolytes Magnesium Potassium Sodium Gluten Free Vegan Nighttime Exercise Energy Cramping Men and Woman**Trace Minerals**$19.34**4.5★**▲ 56%**](https://www.amazon.com/dp/B019IX0RJ8) [**Pure Encapsulations Muscle Cramp/Tension Formula | Hypoallergenic Supplement to Reduce Occasional Muscle Cramps/Tension and Promote Relaxation* | 180 Capsules**Pure Encapsulations**$46.60**4.6★**▲ 38%**](https://www.amazon.com/dp/B0029XCND8) [**Cramp 911 ROLL-ON Size: 21 ML**Cramp911**$23.63**4.6★**▲ 31%**](https://www.amazon.com/dp/B006HMITP8)
**~~View all trending →~~**
## **What reviews say buyers love and hate about muscle cramps relief**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Muscle Pain Relief**14%
*“This works great for my muscle spasms”*
**Efficiency**13%
*“Works in seconds”*
**Smell**12%
*“Amazing scent”*
**Quality-Overall**10%
*“Decent enough product”*
**Joint Pain**6%
*“This stuff worked excellent for me after a total knee replacement”*
**Value For Money**4%
*“Reasonably priced”*
**Advertised Vs Actual Product**3%
*“As Advertised”*
**Sleep Quality**3%
*“Helps me sleep”*
**Soft Feel**3%
*“Make your feet so soft”*
**Ease Of Use**3%
*“Very easy to use in a pinch”*
### **What buyers complain about **
**Functionality-Overall**18%
*“it did not work with me”*
**Muscle Pain Relief**6%
*“Muscle Cramps”*
**Allergies**5%
*“Skin Irritation”*
**Pain Relief-Overall**5%
*“No relief”*
**Value For Money**4%
*“Waste Of Money”*
**Adhesion/Stickiness**3%
*“Has a weird sticky feeling”*
**Skin Health**3%
*“Made our skin peel off”*
**Smell**3%
*“has a slight smell”*
**Thickness**3%
*“its thick like a cream”*
**Moist/Dry**2%
*“Would NOT dry”*
### **Top return reasons **
**Functionality-Overall**24%
**Advertised Vs Actual Product**10%
**Motor Power**10%
**Smell**10%
**Adhesion/Stickiness**5%
**Size-Overall**5%
**Leak-Proof**3%
**Absorbency**3%
**Thickness**3%
**Skin Health**3%
## **Common muscle cramps relief questions**
- **Is muscle cramps relief profitable to sell on Amazon United States?**
- The niche generates $263K/yr across 30 tracked products. 90-day search growth is +12.6%. Flapen's verdict: Worth a look (57/100).
- **How competitive is the muscle cramps relief niche?**
- 18 brands and 87 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 80% of demand.
- **What do buyers complain about in muscle cramps relief?**
- Top complaints mined from reviews: Functionality-Overall, Muscle Pain Relief, Allergies. The return rate is 0.3%.
- **When does demand for muscle cramps relief peak?**
- Demand peaks in May–Jun–Jul; the busiest month runs 5.5× the quietest.
- **What does it cost to enter the muscle cramps relief niche?**
- Listings span $6.05–$46.60; the average listing price is $20.90 (sweet spot $15–$100). The average incumbent carries 6,969 reviews — the moat a new listing must climb.
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