Is magnesium flakes profitable to sell on Amazon United States?

The niche generates $2.2M/yr across 17 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -15.0%. Flapen's verdict: Worth a look (53/100).

How competitive is the magnesium flakes niche?

10 brands and 522 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 90% of demand.

What do buyers complain about in magnesium flakes?

Top complaints mined from reviews: Value For Money, Smell, Size-Overall. The return rate is 0.2%.

When does demand for magnesium flakes peak?

Demand is steady year-round — the busiest month runs 1.4× the quietest.

What does it cost to enter the magnesium flakes niche?

Listings span $3.40–$40.64; the average listing price is $19.40 (sweet spot $15–$100). The average incumbent carries 7,972 reviews — the moat a new listing must climb.

magnesium flakes

Worth a look

Shows low returns (0.2%), but strong incumbent ratings (4.8★) keeps it on the watch list.

Returns

Incredible0.2%

return rate — above 5% kills the launch gate

Market size

Incredible$2.2M

$2.2M/yr · 1.0M searches

Conversion

Great10.9%

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

Avg price

Great$19.40

avg listing price — sweet spot $15–$100

Price range

Good$3.40–$40.64

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

Competition

Okay69%

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

Brand share

Okay90%

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

Review moat

Bad7,972.35

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-15.0%

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

Quality gap

Bad4.8★

avg incumbent rating — lower means beatable quality

According to Flapen's Amazon United States niche tracking, magnesium flakes is a $2.2M/yr Amazon United States market (1.0M searches/yr). The top 5 brands hold 90% of demand. Verdict: Worth a look — 53/100.

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

magnesium flakes market data

Units sold / yr: 100K–125K; avg 6,000–8,000/product
Revenue / yr: $1.9M–$2.4M; units × avg price
Conversion rate: 10.9%
Avg BSR: #204
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 0.0%
Avg brand age: 64 months
Avg seller age: 156 days

Competition & brand share

The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.

Brands

10 rising

Sellers

522

Top-5 brand share

90%

Top 20: 100%

Top-5 click share

69%

Top 20: 100%

Open market

Ancient Minerals51%
NOW Foods18%
Dr Teal's10%
Magnum Solace6%
Coach Soak5%
YARELI3%
Open — no brand owns it (4 brands, 7%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -15.0% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.4×

Open Trend

Top magnesium flakes search terms

magnesium flakes299K/yr -23.3%10.8% conv.
magnesium flakes for bath111K/yr -22.1%11.6% conv.
magnesium bath soak80K/yr -12.5%9.8% conv.
ancient minerals magnesium bath flakes31K/yr +39.5%15.7% conv.
magnesium bath flakes74K/yr -36.1%9.1% conv.
magnesium chloride flakes50K/yr -6.8%6.9% conv.
recovery labs pro magnesium soak21K/yr +162.9%4.7% conv.
ancient minerals45K/yr -4.6%6.2% conv.
magnesium chloride flakes organic54K/yr -34.7%7.4% conv.
magnesium soak44K/yr -9.8%8.6% conv.

All search terms

Top magnesium flakes 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 17 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Ancient Minerals Magnesium Bath Flakes Pure Zechstein Magnesium Chloride for Soaking and Whole-Body Replenishment 8 lb Bag

Ancient Minerals$28.294.8★22,708 rev

NOW Foods Solutions Magnesium Flakes 100% Pure from the Ancient Seabed Highly Concentrated 54-Ounce

NOW Foods$15.334.8★5,876 rev

Ancient Minerals Magnesium Bath Flakes of Pure Genuine Zechstein Chloride - Resealable Magnesium Supplement Bag that Will Outperform Leading Epsom Salts 1.65 lbs

Ancient Minerals$12.614.8★22,708 rev

Ancient Oasis by Dr Teals Magnesium Flakes Fragrance Free 2 lbs

Dr Teal's$6.864.6★107 rev

Ancient Minerals Magnesium Bath Flakes - Bathing Alternative to Epsom Salt - Soak in Natural Salts - High-Absorption Efficiency for Relaxation Wellness & Muscle Relief (4 .4 lb)

Ancient Minerals$20.544.8★22,708 rev

Newest

by launch date

Ancient Oasis by Dr Teals Magnesium Flakes Fragrance Free 2 lbs

Dr Teal's$6.86107 rev

5mo ago

Ancient Minerals Magnesium Bath Flakes Pure Zechstein Magnesium Chloride for Soaking and Whole-Body Replenishment (16 lb)

Ancient Minerals$40.6422,708 rev

6mo ago

Magnesium Flakes for Bath - Magnesium Chloride Flakes Organic Pure - Unscented 8 LBS

Magnum Solace$15.99419 rev

1y ago

Magnesium Bath Flakes - Dead Sea Salt Dead Sea Salts for Soaking Magnesium Flakes for Bath - Enhanced with Aloe Vera (3 Pound)

Magnum Solace$8.03186 rev

1y ago

Dr Teals Epsom Salt Magnesium Soak Restorative Minerals with Magnesium Potassium & Zinc 3 lbs

Dr Teal's$5.822,263 rev

2y ago

What buyers say about magnesium flakes

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

What buyers love

Quality-Overall26%

“Reliable product”

Value For Money23%

“Good Value”

Smell8%

“Amazing scent”

Advertised Vs Actual Product7%

“As described”

Efficiency3%

“very effective for many purposes”

Ease Of Use3%

“Ease of use”

Soft Feel2%

“Leaves skin soft”

Magnesium2%

“It's the highest quality magnesium I've found”

Sleep Quality2%

“Really help you sleep well”

Muscle Pain Relief2%

“A great cure for sore muscles”

What buyers complain about

Value For Money19%

“Not worth it”

Smell15%

“Not Fragrance Free”

Size-Overall7%

“The bag to me is smaller”

Allergies5%

“Made me itch”

Advertised Vs Actual Product4%

“Doesn't live up to description”

Hard Feel4%

“Hard as a ROCK”

Quality-Overall4%

“Garbage”

Leak-Proof3%

“When I opened my Amazon package I found that my Epson salt bag was leaking”

Functionality-Overall3%

“Didn't resolve like they should have”

Pain Relief-Overall2%

“sometimes after a trip my body hurts”

Top return reasons

Leak-Proof18%

Value For Money14%

Size-Overall13%

Advertised Vs Actual Product13%

Smell12%

Functionality-Overall7%

Gap/Hole4%

Quality-Overall2%

Defective Material/Parts2%

Ingredients-Overall2%

Common questions

Is magnesium flakes profitable to sell on Amazon United States?: The niche generates $2.2M/yr across 17 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -15.0%. Flapen's verdict: Worth a look (53/100).
How competitive is the magnesium flakes niche?: 10 brands and 522 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 90% of demand.
What do buyers complain about in magnesium flakes?: Top complaints mined from reviews: Value For Money, Smell, Size-Overall. The return rate is 0.2%.
When does demand for magnesium flakes peak?: Demand is steady year-round — the busiest month runs 1.4× the quietest.
What does it cost to enter the magnesium flakes niche?: Listings span $3.40–$40.64; the average listing price is $19.40 (sweet spot $15–$100). The average incumbent carries 7,972 reviews — the moat a new listing must climb.