Is topical magnesium profitable to sell on Amazon United States?

The niche generates $155K/yr across 19 tracked products. 5 of 5 products launched in the last 360 days are still selling. 90-day search growth is -6.0%. Flapen's verdict: Worth a look (53/100).

How competitive is the topical magnesium niche?

15 brands and 53 sellers compete. The top 5 products take 68% of clicks and top 5 brands hold 75% of demand.

What do buyers complain about in topical magnesium?

Top complaints mined from reviews: Functionality-Overall, Allergies, Pain Relief-Overall. The return rate is 0.4%.

When does demand for topical magnesium peak?

Demand peaks in Aug–Sep; the busiest month runs 1.8× the quietest.

What does it cost to enter the topical magnesium niche?

Listings span $8.74–$47.68; the average listing price is $21.03 (sweet spot $15–$100). The average incumbent carries 6,696 reviews — the moat a new listing must climb.

topical magnesium

Worth a look

Shows low returns (0.4%), but soft demand (-6.0% this quarter) keeps it on the watch list.

Returns

Incredible0.4%

return rate — above 5% kills the launch gate

Avg price

Great$21.03

avg listing price — sweet spot $15–$100

Conversion

Great9.8%

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

Price range

Great$8.74–$47.68

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

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Brand share

Okay75%

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

Market size

Okay$155K

$155K/yr · 76K searches

Competition

Okay68%

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

Review moat

Bad6,696.21

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-6.0%

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

According to Flapen's Amazon United States niche tracking, topical magnesium is a $155K/yr Amazon United States market (76K searches/yr). The top 5 brands hold 75% of demand. Demand peaks in Aug–Sep. Verdict: Worth a look — 53/100.

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

topical magnesium market data

Units sold / yr: 5K–6K; avg 250–500/product
Revenue / yr: $105K–$126K; units × avg price
Conversion rate: 9.8%
Avg BSR: #265
Page quality: 0%
Prime: 100%
Sponsored: 89%
Out of stock: 0.0%
Avg brand age: 42 months
Avg seller age: 161 days

Competition & brand share

The top 5 products take 68% of clicks — established leaders, but buyers still shop beyond them.

Brands

15 falling

Sellers

Top-5 brand share

75%

Top 20: 100%

Top-5 click share

68%

Top 20: 100%

Open market

20%

Magnum Solace21%
Ancient Minerals19%
Seven Minerals16%
Essentially Based10%
LIFE-FLO8%
NOW Foods5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -6.0% search growth over the last 90 days.

Peak months: Aug, Sep · busiest ÷ quietest = 1.8×

Open Trend

Top topical magnesium 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 19 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

Seven Minerals Pure Magnesium Oil Spray Big 12oz USP Grade Extra Strength for Sleep Feet Muscle Pain Cramps Restless Legs - Mined in The USA. About 33 000mg of Mg

Seven Minerals$19.004.3★38,334 rev

Ancient Minerals Magnesium Lotion Ultra with MSM Pure Genuine Zechstein Magnesium Lotion for Topical Application (5oz)

Ancient Minerals$24.414.5★3,927 rev

Pure Magnesium Oil Spray 8oz - Topical Magnesium Spray for Sleep & Feet - Extra Strength - USP Grade - 100% Natural and Organic Oil for Muscle Pain & Cramps - Less Sting - Less Itch - Made in USA

Essentially Based$9.524.2★29,249 rev

LIFE-FLO Unscented Magnesium Lotion - Highly Concentrated Magnesium Lotion for Kids and Adults - Soothes Overworked Muscles Joints When Massaged into the Skin - Hypoallergenic 60-Day Guarantee - 8oz

LIFE-FLO$11.334.3★3,091 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

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

Dr Teals Topical Magnesium Spray with Natural Dead Sea Salt Fragrance Free 8 fl oz (Pack of 2)

Dr Teal's$15.31311 rev

9mo ago

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

Doracome$38.6932 rev

11mo ago

What buyers say about topical magnesium

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

What buyers love

Quality-Overall12%

“Decent enough product”

Efficiency12%

“Effective,”

Smell12%

“Amazing scent”

Sleep Quality7%

“Restful sleep”

Magnesium6%

“Great magnesium lotion”

Muscle Pain Relief5%

“Great for sore muscles”

Joint Pain5%

“Great for joint pain”

Soft Feel4%

“Feels good”

Value For Money4%

“Good deal”

Advertised Vs Actual Product3%

“As advertised”

What buyers complain about

Functionality-Overall18%

“Did not work”

Allergies7%

“Skin Irritation”

Pain Relief-Overall5%

“No relief”

Value For Money5%

“Not worth the price”

Adhesion/Stickiness4%

“Left me with a sticky feeling”

Skin Health4%

“Damages your skin”

Moist/Dry4%

“Not hydrating”

Smell3%

“Dont like the scent”

Advertised Vs Actual Product3%

“False advertising”

Magnesium3%

“Nothing like other magnesium”

Top return reasons

Functionality-Overall25%

Advertised Vs Actual Product11%

Smell9%

Motor Power9%

Leak-Proof7%

Adhesion/Stickiness5%

Size-Overall4%

Absorbency3%

Value For Money3%

Moist/Dry2%

Common questions

Is topical magnesium profitable to sell on Amazon United States?: The niche generates $155K/yr across 19 tracked products. 5 of 5 products launched in the last 360 days are still selling. 90-day search growth is -6.0%. Flapen's verdict: Worth a look (53/100).
How competitive is the topical magnesium niche?: 15 brands and 53 sellers compete. The top 5 products take 68% of clicks and top 5 brands hold 75% of demand.
What do buyers complain about in topical magnesium?: Top complaints mined from reviews: Functionality-Overall, Allergies, Pain Relief-Overall. The return rate is 0.4%.
When does demand for topical magnesium peak?: Demand peaks in Aug–Sep; the busiest month runs 1.8× the quietest.
What does it cost to enter the topical magnesium niche?: Listings span $8.74–$47.68; the average listing price is $21.03 (sweet spot $15–$100). The average incumbent carries 6,696 reviews — the moat a new listing must climb.