Cramp
FailThe top 5 products take 100% of clicks, so Cramp is a Fail.
- Flapen Score
- 44 / 100Ranks 10,233 of 14,768 Health & Household niches · −5 vs the category median of 4944
- Market size
- $211K/yr60K searches / yr
- 90-day growth
- +2.5%search demand this quarter
- Competition
- 100%top-5 click share · 4 brands · 48 sellers
Flapen Score
Cramp against its category
The dotted line is the Health & Household average. Past it, Cramp is stronger. Inside it, weaker.
Market
The Cramp market on Amazon at a glance
Shoppers on Amazon United States searched for Cramp 60K times last year and spent an estimated $211K. All 4 brands take every click. Demand peaks in Oct–Nov–Dec. Flapen scores it 44 out of 100, a Fail.
01 · Demand
An estimated 17.6% of those searches ended in a purchase.
Shoppers searched for this 60K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 17.6% of those searches ended in a purchase. Searches in the last 90 days moved +2.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated $211K a year.
- Searches, last 12 months
- 60K
- Growth, 90 days vs prior 90
- +2.5%
- Conversion, latest week
- 17.6%
- Market size, estimated
- $211Ka year
- Peak month
- October9.5× the quietest month
- Top search term
- cramp defense32K searches a year
02 · Price
A sale here is worth $20.05.
Listings sell for $20.05 on average, from $9.77 to $43.22. Amazon reports units sold in ranges. This niche sold 10K to 13K a year. The average listing sells 2,500 to 3,000 of them. At $20.05 that is $50K to $60K a year per listing.
- Average price
- $20.05inside the $15 to $100 sweet spot
- Price range
- $9.77–$43.22
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 10K–13K
- Units per listing a year
- 2,500–3,000
- Revenue per listing a year
- $50K–$60K
- Returns
- 0.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads and reviews.
100% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #108 within Magnesium. It carries 9,299 reviews at 4.52 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 100%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #108in Magnesium
- Average rating
- 4.52 starsAmazon United States average 4.42 stars
- Average reviews
- 9,299per listing
- Listings tracked
- 5
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 74 months on average, so the names here are established.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 74 months
Products
Top Cramp products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 28, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
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.
- Price
- $43.22
- Rating
- 4.3/5
- Reviews
- 11,381
- Age
- 9y ago

Hylands Leg Cramps Relief of Leg Calf Charley Horses and Foot Cramps 100 Quick-Dissolving Tablets
- Price
- $12.17
- Rating
- 4.7/5
- Reviews
- 8,258
- Age
- 5y ago

Hylands Leg Cramps PM Relief of Nighttime Leg Calf and Foot Cramps 50 Quick-Dissolving Tablets
- Price
- $9.77
- Rating
- 4.4/5
- Reviews
- 16,381
- Age
- 21y ago

Pure Encapsulations Muscle Cramp/Tension Formula | Hypoallergenic Supplement to Reduce Occasional Muscle Cramps/Tension and Promote Relaxation* | 60 Capsules
- Price
- $18.97
- Rating
- 4.5/5
- Reviews
- 768
- Age
- 18y ago

Qunol Magnesium 420mg Extra Strength High Absorption Vegetarian 180ct
- Price
- $16.14
- Rating
- 4.7/5
- Reviews
- 9,709
- Age
- 2y ago
Trending
estimated 90-day click momentum
Hylands Leg Cramps PM Relief of Nighttime Leg Calf and Foot Cramps 50 Quick-Dissolving Tablets
- Price
- $9.77
- Rating
- 4.4/5
- Reviews
- 16,381
- Age
- 21y ago

Pure Encapsulations Muscle Cramp/Tension Formula | Hypoallergenic Supplement to Reduce Occasional Muscle Cramps/Tension and Promote Relaxation* | 60 Capsules
- Price
- $18.97
- Rating
- 4.5/5
- Reviews
- 768
- Age
- 18y ago

Qunol Magnesium 420mg Extra Strength High Absorption Vegetarian 180ct
- Price
- $16.14
- Rating
- 4.7/5
- Reviews
- 9,709
- Age
- 2y ago

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.
- Price
- $43.22
- Rating
- 4.3/5
- Reviews
- 11,381
- Age
- 9y ago

Hylands Leg Cramps Relief of Leg Calf Charley Horses and Foot Cramps 100 Quick-Dissolving Tablets
- Price
- $12.17
- Rating
- 4.7/5
- Reviews
- 8,258
- Age
- 5y ago
Newest
by launch date
Qunol Magnesium 420mg Extra Strength High Absorption Vegetarian 180ct
- Price
- $16.14
- Rating
- 4.7/5
- Reviews
- 9,709
- Age
- 2y ago

Hylands Leg Cramps Relief of Leg Calf Charley Horses and Foot Cramps 100 Quick-Dissolving Tablets
- Price
- $12.17
- Rating
- 4.7/5
- Reviews
- 8,258
- Age
- 5y ago

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.
- Price
- $43.22
- Rating
- 4.3/5
- Reviews
- 11,381
- Age
- 9y ago

Pure Encapsulations Muscle Cramp/Tension Formula | Hypoallergenic Supplement to Reduce Occasional Muscle Cramps/Tension and Promote Relaxation* | 60 Capsules
- Price
- $18.97
- Rating
- 4.5/5
- Reviews
- 768
- Age
- 18y ago

Hylands Leg Cramps PM Relief of Nighttime Leg Calf and Foot Cramps 50 Quick-Dissolving Tablets
- Price
- $9.77
- Rating
- 4.4/5
- Reviews
- 16,381
- Age
- 21y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 100% of clicks. A locked shelf that new listings rarely crack.
Brands
4 falling
Sellers
48
Est. top-5 brand share
100%
Top 20: 100%
Est. 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
Cramp search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Oct, Nov, Dec · busiest ÷ quietest = 9.5×
Search terms
Top Cramp search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- cramp defense32K/yr
- cramp defense for leg cramps 180 capsules16K/yr
- muscle cramp supplement7K/yr
- best supplement for muscle cramps3K/yr
- cramp defense magnesium2K/yr
Reviews and returns
What reviews say buyers love and hate about Cramp
We read the reviews and the return reasons for every product selling here.
“it did not work with me”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
15 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Cramp questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









