Is magnesium cream for leg cramps profitable to sell on Amazon United States?

The niche generates $150K/yr across 21 tracked products. 7 of 7 products launched in the last 360 days are still selling. 90-day search growth is -5.2%. Flapen's verdict: Worth a look (56/100).

How competitive is the magnesium cream for leg cramps niche?

16 brands and 37 sellers compete. The top 5 products take 53% of clicks and top 5 brands hold 67% of demand.

What do buyers complain about in magnesium cream for leg cramps?

Top complaints mined from reviews: Functionality-Overall, Value For Money, Allergies. The return rate is 0.4%.

When does demand for magnesium cream for leg cramps peak?

Demand peaks in Oct–Nov; the busiest month runs 2.1× the quietest.

What does it cost to enter the magnesium cream for leg cramps niche?

Listings span $9.66–$51.62; the average listing price is $24.25 (sweet spot $15–$100). The average incumbent carries 5,356 reviews — the moat a new listing must climb.

magnesium cream for leg cramps

Worth a look

Shows low returns (0.4%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Returns

Incredible0.4%

return rate — above 5% kills the launch gate

Avg price

Incredible$24.25

avg listing price — sweet spot $15–$100

Price range

Great$9.66–$51.62

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

Conversion

Great7.6%

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

Brand share

Good67%

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Competition

Good53%

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

Market size

Okay$150K

$150K/yr · 81K searches

Review moat

Bad5,356.38

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-5.2%

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

According to Flapen's Amazon United States niche tracking, magnesium cream for leg cramps is a $150K/yr Amazon United States market (81K searches/yr). The top 5 brands hold 67% of demand. Demand peaks in Oct–Nov. Verdict: Worth a look — 56/100.

Data updated Jul 15, 2026 · scored weekly · How we score niches

magnesium cream for leg cramps market data

Units sold / yr: 6K–8K; avg 250–500/product
Revenue / yr: $146K–$194K; units × avg price
Conversion rate: 7.6%
Avg BSR: #338
Page quality: 0%
Prime: 100%
Sponsored: 90%
Out of stock: 0.0%
Avg brand age: 38 months
Avg seller age: 147 days

Competition & brand share

The top 5 products take 53% of clicks — established leaders, but buyers still shop beyond them.

Brands

16 falling

Sellers

Top-5 brand share

67%

Top 20: 100%

Top-5 click share

53%

Top 20: 98%

Open market

28%

Magnum Solace39%
Doracome7%
CryoDerm7%
Venture Pal7%
MARS WELLNESS6%
OsteoShield5%

Demand & seasonality

Weekly Amazon search volume, last 93 weeks — -5.2% search growth over the last 90 days.

Peak months: Oct, Nov · busiest ÷ quietest = 2.1×

Open Trend

Top magnesium cream for leg cramps search terms

magnesium pain relief cream14K/yr +12.2%4.2% conv.
magnesium rub for muscle pain12K/yr -31.5%6.5% conv.
magnesium ointment6K/yr +15.2%5.3% conv.
magnesium muscle rub5K/yr +46.8%5.1% conv.
magnesium muscle cream8K/yr -14.4%6.3% conv.
nighttime magnesium cream9K/yr -13.0%11.3% conv.
lavender magnesium cream6K/yr +7.7%6.2% conv.
magnesium calming cream5K/yr -7.1%10.9% conv.
magnesium sulfate cream6K/yr -33.8%2.5% conv.
magnesium night cream4K/yr -3.4%6.4% conv.

All search terms

Top magnesium cream 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.

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

All 21 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Magnum Solace Nighttime Magnesium Lotion with Arnica Highly Concentrated Magnesium for Muscles & Joints Apply to Legs or Feet Before Bed Skin-Friendly

Magnum Solace$9.664.4★7,851 rev

Mars Wellness MG+ Magnesium Cream Pain Relief - Extra Strength Magnesium and Arnica Cream - 4 OZ Tub - Neuropathy Muscle Pain and Leg Cramps Relief - 1 Pack

MARS WELLNESS$22.374.4★1,569 rev

Magnum Solace Magnesium Lotion Nighttime Magnesium Cream Apply to Legs Arms or Chest - Topical Magnesium Chloride USA Made and Safe for Kids (Lavender)

Magnum Solace$15.644.3★4,691 rev

Magnesium Freeze - Topical Magnesium Cream with Niacinamide for Joints Low Back Knee Hip & Foot - Fast Acting Cooling Formula - Lightweight Non-Greasy - 4oz

OsteoShield$47.684.0★902 rev

HiRelief Official Total Relief - Magnesium Cream - Soothing Topical Lotion for Muscles Joints & Legs - Magnesium Chloride with MSM Arnica & B6 - Lightweight & Fast-Absorbing - 4 Fl Oz (Pack of 1)

HiRelief$40.443.8★1,112 rev

Newest

by launch date

Doracome Magnesium Moisturizing Cream for Muscle Relief Sleep Support and Stress Relief Fast-Absorbing Formula Skin Friendly Lightly Scented

Doracome$39.9723 rev

2mo ago

Magnesium Freeze - Topical Magnesium Cream with Niacinamide for Joints Low Back Knee Hip & Foot - Fast Acting Cooling Formula - Lightweight Non-Greasy - 4oz

OsteoShield$47.68902 rev

7mo ago

HiRelief Official Total Relief - Magnesium Cream - Soothing Topical Lotion for Muscles Joints & Legs - Magnesium Chloride with MSM Arnica & B6 - Lightweight & Fast-Absorbing - 4 Fl Oz (Pack of 1)

HiRelief$40.441,112 rev

7mo ago

Solinia Magnesium Cream USA-Made Unscented Magnesium Lotion for Feet Mag Oil Body Butter Foot Cream for Feet Unscented Rub 4oz

Solinia$15.49220 rev

8mo ago

QUELTIS Magnesium Cream Magnesium Lotion for Sleep Pain & Leg Cramps Topical Magnesium Chloride Cream for Muscle Relaxation Calm Moisturizing - Skin-Friendly & Safe for Kids & Adults (Lavender)

QUELTIS$10.21255 rev

8mo ago

What buyers say about magnesium cream for leg cramps

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

What buyers love

Smell15%

“Amazing scent”

Efficiency15%

“Effective,”

Quality-Overall12%

“Decent enough product”

Joint Pain6%

“Great for joint pain”

Muscle Pain Relief5%

“Muscle Pain Relief”

Soft Feel5%

“Goes on smoothly”

Advertised Vs Actual Product4%

“As Advertised”

Value For Money4%

“Good price”

Magnesium3%

“This is seriously the best magnesium lotion”

Absorbency3%

“absorbs good”

What buyers complain about

Functionality-Overall23%

“Dosent work”

Value For Money9%

“too expensive”

Allergies7%

“Too itchy”

Pain Relief-Overall6%

“No relief”

Smell5%

“has a slight smell”

Advertised Vs Actual Product4%

“Inaccurate description”

Skin Health3%

“BURNED THE SKIN”

Size-Overall3%

“Bottle Very Small”

Adhesion/Stickiness2%

“Has a weird sticky feeling”

Thickness2%

“its thick like a cream”

Top return reasons

Functionality-Overall25%

Advertised Vs Actual Product14%

Smell9%

Leak-Proof7%

Motor Power7%

Size-Overall4%

Adhesion/Stickiness4%

Value For Money3%

Ingredients-Overall3%