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.

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.

Returns

Incredible0.3%

return rate — above 5% kills the launch gate

Avg price

Great$20.90

avg listing price — sweet spot $15–$100

Conversion

Great10.5%

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

Okay57%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Growth

Okay+12.6%

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

Brand share

Okay80%

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

Review moat

Bad6,969.3

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

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

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.

Peak months: May, Jun, Jul · busiest ÷ quietest = 5.5×

Open Trend

Top muscle cramps relief search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

muscle cramps relief35K/yr +29.8%9.9% conv.
muscle cramps relief instant12K/yr +27.4%11.5% conv.
muscle cramps10K/yr +22.0%7.5% conv.
charlie horse cramp relief8K/yr +9.9%7.8% conv.
anti-muscle cramp supplements6K/yr +15.6%3.3% conv.
cure for muscle cramps2K/yr >1,000%0.7% conv.
muscle cramp relief8K/yr -14.4%8.9% conv.
cramp 9115K/yr -7.1%14.6% conv.
muscle cramp and spasm relief8K/yr -46.3%5.3% conv.
muscle cramp7K/yr -34.5%5.8% conv.

All 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.

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

Hylands Leg Cramps Relief of Leg Calf Charley Horses and Foot Cramps 100 Quick-Dissolving Tablets

Hyland's$12.004.6★24,130 rev

Theraworx Relief for Muscle Cramps Roll-On Fast-Acting Muscle Spasm Leg Soreness with Magnesium Sulfate - 2.5 oz - 1 Count

Theraworx$11.454.6★5,599 rev

Theraworx for Muscle Cramps Relief Foam Made with Magnesium Sulfate Fast-Acting Muscle & Leg Cramp Support Paraben-Free 7.1 oz

Theraworx$18.514.5★27,737 rev

Theraworx Relief for Muscle Cramps Roll-On Fast-Acting Muscle Spasm Leg Soreness with Magnesium Sulfate - 2.5 oz - 2 Count

Theraworx$20.324.6★5,599 rev

Hylands Leg Cramps PM Relief of Nighttime Leg Calf and Foot Cramps 50 Quick-Dissolving Tablets

Hyland's$9.834.6★24,130 rev

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$9.667,702 rev

1y ago

Venture Pal Topical Magnesium Cream Fast-Absorbing Magnesium Moisturizing Lotion with Coconut Oil Shea Butter & Hyaluronic Acid Suitable for Kids

Venture Pal$15.702,432 rev

1y ago

Theraworx Relief for Muscle Cramps Roll-On Fast-Acting Muscle Spasm Leg Soreness with Magnesium Sulfate - 2.5 oz - 2 Count

Theraworx$20.325,599 rev

2y ago

Cramp 911

Fox Valley Traders$25.913 rev

2y ago

Theraworx for Muscle Cramps Relief Foam Made with Magnesium Sulfate Fast-Acting Muscle & Leg Cramp Support Paraben-Free 7.1 oz - 2 Count

Theraworx$32.6827,737 rev

3y ago

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 Relief14%

“This works great for my muscle spasms”

Efficiency13%

“Works in seconds”

Smell12%

“Amazing scent”

Quality-Overall10%

“Decent enough product”

Joint Pain6%

“This stuff worked excellent for me after a total knee replacement”

Value For Money4%

“Reasonably priced”

Advertised Vs Actual Product3%

“As Advertised”

Sleep Quality3%

“Helps me sleep”

Soft Feel3%

“Make your feet so soft”

Ease Of Use3%

“Very easy to use in a pinch”

What buyers complain about

Functionality-Overall18%

“it did not work with me”

Muscle Pain Relief6%

“Muscle Cramps”

Allergies5%

“Skin Irritation”

Pain Relief-Overall5%

“No relief”

Value For Money4%

“Waste Of Money”

Adhesion/Stickiness3%

“Has a weird sticky feeling”

Skin Health3%

“Made our skin peel off”

Smell3%

“has a slight smell”

Thickness3%

“its thick like a cream”

Moist/Dry2%

“Would NOT dry”

Top return reasons

Functionality-Overall24%

Advertised Vs Actual Product10%

Motor Power10%

Smell10%

Adhesion/Stickiness5%

Size-Overall5%

Leak-Proof3%

Absorbency3%