---
title: "Cramp — $211K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/cramp"
last_updated: "2026-08-07T09:00:10.831Z"
locale: en
meta:
description: "Niche score 44/100 · $211K/yr market · 60K searches/yr · $20.05 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 44/100 · $211K/yr market · 60K searches/yr · $20.05 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Cramp — $211K/yr Amazon US Niche (2026) - Flapen"
---
# **cramp**
**Skip it**
A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Market size 41Growth 28Conversion 99Competition 0Returns 100Price range 82Avg price 88Brand share 0Review moat 22Quality gap 38
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****17.6%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Great****$20.05**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$9.77–$43.22**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Okay****$211K**
$211K/yr · 60K searches
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Growth**
**Okay****+2.5%**
90-day search growth — must beat 0% to launch
**Review moat**
**Bad****9,299.4**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Bad****100%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, cramp is a $211K/yr Amazon United States market (60K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Oct–Nov–Dec. Verdict: Skip it — 44/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **cramp market data**
- **Units sold / yr**
- **10K–13K**
- avg 2,500–3,000/product
- **Revenue / yr**
- **$201K–$251K**
- units × avg price
- **Conversion rate**
- **17.6%**
- **Avg BSR**
- **#108**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **74 months**
- **Avg seller age**
- **155 days**
## **Competition & brand share**
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**4 **▼falling
**Sellers**
**48**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**100%**
Top 20: 100%
**Open market**
**0%**
- Cramp Defense76% - Hyland's16% - Pure Encapsulations4% - Qunol4% - Open — no brand owns it (0%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +2.5% search growth over the last 90 days.
18K13KSpike '24Black Friday '24Holiday '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Oct, Nov, Dec · busiest ÷ quietest = 9.5×
[**Open Trend **](https://flapen.com/research/us/health-household/cramp/trend)
## **Top cramp search terms**
- **cramp defense**32K/yr-6.3%18.8% conv. - **cramp defense for leg cramps 180 capsules**16K/yr+44.4%17.2% conv. - **muscle cramp supplement**7K/yr+5.3%3.3% conv. - **best supplement for muscle cramps**3K/yr-25.2%0.7% conv. - **cramp defense magnesium**2K/yr-22.8%14.6% conv. [**All search terms **](https://flapen.com/research/us/health-household/cramp/search-terms)
## **Top cramp 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%20%$42K40%$84K60%$127K80%$169K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 5 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Cramp Defense Leg Cramps Pills Relief for All Muscle Cramps Day and Night. Magnesium Supplement Capsules 3-6 Month Supply. Non-Laxative Organic Formula for Max Absorption and Results. Made in US.**Cramp Defense**$43.22**4.3★11,381 rev](https://www.amazon.com/dp/B01MFGOWAC) [2**Hylands Leg Cramps Relief of Leg Calf Charley Horses and Foot Cramps 100 Quick-Dissolving Tablets**Hyland's**$12.17**4.7★8,258 rev](https://www.amazon.com/dp/B08Y6T514L) [3**Hylands Leg Cramps PM Relief of Nighttime Leg Calf and Foot Cramps 50 Quick-Dissolving Tablets**Hyland's**$9.77**4.4★16,381 rev](https://www.amazon.com/dp/B002YXUPGK) [4**Pure Encapsulations Muscle Cramp/Tension Formula | Hypoallergenic Supplement to Reduce Occasional Muscle Cramps/Tension and Promote Relaxation* | 60 Capsules**Pure Encapsulations**$18.97**4.5★768 rev](https://www.amazon.com/dp/B00166BO02) [5**Qunol Magnesium 420mg Extra Strength High Absorption Vegetarian 180ct**Qunol**$16.14**4.7★9,709 rev](https://www.amazon.com/dp/B0CKGDP313)
### **Newest**
by launch date
[**Qunol Magnesium 420mg Extra Strength High Absorption Vegetarian 180ct**Qunol**$16.14**9,709 rev2y ago](https://www.amazon.com/dp/B0CKGDP313) [**Hylands Leg Cramps Relief of Leg Calf Charley Horses and Foot Cramps 100 Quick-Dissolving Tablets**Hyland's**$12.17**8,258 rev5y ago](https://www.amazon.com/dp/B08Y6T514L) [**Cramp Defense Leg Cramps Pills Relief for All Muscle Cramps Day and Night. Magnesium Supplement Capsules 3-6 Month Supply. Non-Laxative Organic Formula for Max Absorption and Results. Made in US.**Cramp Defense**$43.22**11,381 rev9y ago](https://www.amazon.com/dp/B01MFGOWAC) [**Pure Encapsulations Muscle Cramp/Tension Formula | Hypoallergenic Supplement to Reduce Occasional Muscle Cramps/Tension and Promote Relaxation* | 60 Capsules**Pure Encapsulations**$18.97**768 rev18y ago](https://www.amazon.com/dp/B00166BO02) [**Hylands Leg Cramps PM Relief of Nighttime Leg Calf and Foot Cramps 50 Quick-Dissolving Tablets**Hyland's**$9.77**16,381 rev21y ago](https://www.amazon.com/dp/B002YXUPGK)
### **Trending**
90-day click momentum
[**Hylands Leg Cramps PM Relief of Nighttime Leg Calf and Foot Cramps 50 Quick-Dissolving Tablets**Hyland's**$9.77**4.4★**▲ 74%**](https://www.amazon.com/dp/B002YXUPGK) [**Pure Encapsulations Muscle Cramp/Tension Formula | Hypoallergenic Supplement to Reduce Occasional Muscle Cramps/Tension and Promote Relaxation* | 60 Capsules**Pure Encapsulations**$18.97**4.5★**— 9%**](https://www.amazon.com/dp/B00166BO02) [**Qunol Magnesium 420mg Extra Strength High Absorption Vegetarian 180ct**Qunol**$16.14**4.7★**— 8%**](https://www.amazon.com/dp/B0CKGDP313) [**Cramp Defense Leg Cramps Pills Relief for All Muscle Cramps Day and Night. Magnesium Supplement Capsules 3-6 Month Supply. Non-Laxative Organic Formula for Max Absorption and Results. Made in US.**Cramp Defense**$43.22**4.3★**— 1%**](https://www.amazon.com/dp/B01MFGOWAC) [**Hylands Leg Cramps Relief of Leg Calf Charley Horses and Foot Cramps 100 Quick-Dissolving Tablets**Hyland's**$12.17**4.7★**▼ 16%**](https://www.amazon.com/dp/B08Y6T514L)
## **What buyers say about cramp**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Muscle Pain Relief**22%
*“to help with muscle cramps”*
**Efficiency**12%
*“Very effective”*
**Joint Pain**12%
*“Less leg discomfort”*
**Quality-Overall**8%
*“Solid brand”*
**Sleep Quality**7%
*“Sleep like a baby”*
**Value For Money**4%
*“GOOD VALUE FOR MONEY”*
**Ease Of Use**4%
*“Easy to use”*
**Magnesium**4%
*“BEST Magnesium in the Market”*
**Advertised Vs Actual Product**3%
*“As advertised”*
**Solubility**3%
*“I like that they dissolve easily”*
### **What buyers complain about **
**Functionality-Overall**19%
*“it did not work with me”*
**Pain Relief-Overall**11%
*“its so painful”*
**Muscle Pain Relief**10%
*“I No muscle relief”*
**Value For Money**6%
*“costs too much”*
**Magnesium**5%
*“Low in magnesium glycinate”*
**Joint Pain**4%
*“Dont help with small or full on leg cramps”*
**Dosage**3%
*“When I read the back label I was concerned that the dose wasn't high enough”*
**Sleep Quality**2%
*“restlessness or sleeplessness that it says it will”*
**Ingredients-Overall**2%
*“Seems too be the main ingredient”*
**Quality-Overall**2%
*“Inconsistent manufacturing quality”*
### **Top return reasons **
**Joint Pain**50%
**Magnesium**25%
**Size-Overall**25%
## **Common questions**
- **Is cramp profitable to sell on Amazon United States?**
- The niche generates $211K/yr across 5 tracked products. 90-day search growth is +2.5%. Flapen's verdict: Skip it (44/100).
- **How competitive is the cramp niche?**
- 4 brands and 48 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in cramp?**
- Top complaints mined from reviews: Functionality-Overall, Pain Relief-Overall, Muscle Pain Relief. The return rate is 0.0%.
- **When does demand for cramp peak?**
- Demand peaks in Oct–Nov–Dec; the busiest month runs 9.5× the quietest.
- **What does it cost to enter the cramp niche?**
- Listings span $9.77–$43.22; the average listing price is $20.05 (sweet spot $15–$100). The average incumbent carries 9,299 reviews — the moat a new listing must climb.
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