Is magnesium chloride profitable to sell on Amazon United States?

The niche generates $346K/yr across 21 tracked products. 90-day search growth is -11.8%. Flapen's verdict: Worth a look (50/100).

How competitive is the magnesium chloride niche?

18 brands and 545 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 69% of demand.

What do buyers complain about in magnesium chloride?

Top complaints mined from reviews: Value For Money, Magnesium, Size-Overall. The return rate is 0.1%.

When does demand for magnesium chloride peak?

Demand peaks in Jan; the busiest month runs 1.9× the quietest.

What does it cost to enter the magnesium chloride niche?

Listings span $8.12–$28.33; the average listing price is $16.77 (sweet spot $15–$100). The average incumbent carries 4,513 reviews — the moat a new listing must climb.

Magnesium Chloride

Worth a look

Shows low returns (0.1%), but soft demand (-11.8% this quarter) keeps it on the watch list.

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Avg price

Great$16.77

avg listing price — sweet spot $15–$100

Price range

Good$8.12–$28.33

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

Conversion

Good5.8%

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

Brand share

Good69%

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

Market size

Good$346K

$346K/yr · 354K searches

Competition

Okay65%

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

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Review moat

Bad4,512.76

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-11.8%

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

Is magnesium chloride profitable on Amazon?

According to Flapen's Amazon United States niche tracking, magnesium chloride is a $346K/yr Amazon United States market (354K searches/yr). The top 5 brands hold 69% of demand. Demand peaks in Jan. Verdict: Worth a look — 50/100.

Data updated Jul 28, 2026 · scored weekly · How we score niches

magnesium chloride market size & sales

Units sold, revenue, conversion and listing quality across the tracked shelf.

Units sold / yr: 20K–25K; avg 1,000–1,250/product
Revenue / yr: $335K–$419K; units × avg price
Conversion rate: 5.8%
Avg BSR: #1,092
Page quality: 0%
Prime: 100%
Sponsored: 76%
Out of stock: 8.1%
Avg brand age: 67 months
Avg seller age: 158 days

Competition: brands, sellers & click share

The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them.

Brands

18 rising

Sellers

545

Top-5 brand share

69%

Top 20: 100%

Top-5 click share

65%

Top 20: 99%

Open market

26%

Double Wood Supplements26%
Slow-Mag14%
Nutricost12%
PURE ORIGINAL INGREDIENTS11%
Ancient Minerals5%
NOW Foods5%

magnesium chloride demand & seasonality

Weekly Amazon search volume, last 104 weeks — -11.8% search growth over the last 90 days.

Peak months: Jan · busiest ÷ quietest = 1.9×

Open Trend

Top magnesium chloride search terms shoppers use

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

magnesium chloride220K/yr -17.6%5.5% conv.
cloruro de magnesio81K/yr +3.9%2.4% conv.
magnesium chloride capsules9K/yr +129.8%6.4% conv.
cloruro de magnesio en capsulas19K/yr -20.4%1.8% conv.
magnesium chloride supplement17K/yr -50.9%4.5% conv.
magnesium-chloride6K/yr -8.8%2.0% conv.
magnesium chloride hexahydrate3K/yr +6.3%6.1% conv.

All search terms

Top magnesium chloride 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 21 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Magnesium Chloride (Cloruro De Magnesio) - 180 Capsules 1 000mg Per Serving Supports Digestive and Bone Health - Non-GMO and Gluten Free by Double Wood Supplements

Double Wood Supplements$19.774.6★3,945 rev

Nutricost Magnesium Chloride (2LBS) Gluten-Free Vegetarian GMO-Free

Nutricost$24.884.7★179 rev

SlowMag Muscle & Heart Magnesium Chloride Supplement with Calcium 120 Count Supports Muscle Relaxation Heart Nerve & Bone Health High Absorption

Slow-Mag$16.734.7★10,984 rev

Pure Original Ingredients Magnesium Chloride (1 lb) Eco-Friendly Packaging Crystal Powder Magnesium Supplement

PURE ORIGINAL INGREDIENTS$15.264.5★3,166 rev

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

NOW Foods$15.334.8★5,895 rev

Newest

by launch date

10oz Food Grade Magnesium Chloride Powder - 100% Pure Magnesium Chloride

Holamdo$9.0665 rev

1y ago

Nutricost Magnesium Chloride (2LBS) Gluten-Free Vegetarian GMO-Free

Nutricost$24.88179 rev

2y ago

Cloruro de Magnesio 100% Pure Magnesium Chloride Food Grade Powder | Highly Absorbable Edible Magnesium Supplement | for Daily Use or Magnesium Oil Preparation | Unflavored | 300 g / 10.58 oz

MS Finechem$9.8494 rev

2y ago

Micro Ingredients Magnesium Flakes 6lbs | Great Alternative to Epsom Salt for Foot & Body Bath Soaks | High Absorption | Natural Magnesium Chloride Minerals | Relaxation & Skin Hydration Support

Micro Ingredients$24.821,293 rev

3y ago

Liquid Magnesium | 8 oz - Ionic Magnesium Chloride Highest & Fastest Absorption - Calm Mood Sleep Muscle Cramps & Spasms Natural Laxative Vegan Glass Bottle (96 Servings)

Triquetra Health$23.681,103 rev

6y ago

What reviews say buyers love and hate about magnesium chloride

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

What buyers love

Quality-Overall25%

“This powder is great quality”

Magnesium8%

“Good magnesium supplement”

Value For Money7%

“price was reasonable”

Muscle Pain Relief6%

“helps with muscle soreness”

Sleep Quality6%

“I sleep good”

Efficiency5%

“Very effective”

Advertised Vs Actual Product4%

“As advertised”

Soft Feel4%

“Leaves skin soft”

Salt Content3%

“Love this salt”

Ease Of Use2%

“Ease of use”

What buyers complain about

Value For Money16%

“but costly”

Magnesium6%

“it may be uncomfortable to the skin if your real low in magnesium”

Size-Overall6%

“The bag to me is smaller”

Ease Of Chewing/Swallowing5%

“break down as you are trying to swallow them with water”

Allergies4%

“It really burned my skin”

Quality-Overall3%

“the quality is not great”

Pain Relief-Overall3%

“The calf still hurts”

Advertised Vs Actual Product3%

“Misleading”

Taste-Overall3%

“(1/2 teaspoon in water: doesn't taste great”

Smell3%

“'scent't as expected”

Top return reasons

Size-Overall32%

Advertised Vs Actual Product20%

Value For Money10%

Leak-Proof10%

Functionality-Overall7%

Smell4%

Moist/Dry3%

Compatibility-Overall2%

Gap/Hole2%

Adhesion/Stickiness2%

Common magnesium chloride questions

Is magnesium chloride profitable to sell on Amazon United States?: The niche generates $346K/yr across 21 tracked products. 90-day search growth is -11.8%. Flapen's verdict: Worth a look (50/100).
How competitive is the magnesium chloride niche?: 18 brands and 545 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 69% of demand.
What do buyers complain about in magnesium chloride?: Top complaints mined from reviews: Value For Money, Magnesium, Size-Overall. The return rate is 0.1%.
When does demand for magnesium chloride peak?: Demand peaks in Jan; the busiest month runs 1.9× the quietest.
What does it cost to enter the magnesium chloride niche?: Listings span $8.12–$28.33; the average listing price is $16.77 (sweet spot $15–$100). The average incumbent carries 4,513 reviews — the moat a new listing must climb.