Is liquid magnesium profitable to sell on Amazon United States?

The niche generates $1.2M/yr across 38 tracked products. 7 of 7 products launched in the last 360 days are still selling. 90-day search growth is -9.3%. Flapen's verdict: Worth a look (70/100).

How competitive is the liquid magnesium niche?

29 brands and 584 sellers compete. The top 5 products take 39% of clicks and top 5 brands hold 47% of demand.

What do buyers complain about in liquid magnesium?

Top complaints mined from reviews: Taste-Overall, Sleep Quality, Magnesium. The return rate is 0.0%.

When does demand for liquid magnesium peak?

Demand is steady year-round — the busiest month runs 1.5× the quietest.

What does it cost to enter the liquid magnesium niche?

Listings span $8.04–$50.86; the average listing price is $20.99 (sweet spot $15–$100). The average incumbent carries 752 reviews — the moat a new listing must climb.

Liquid Magnesium

Worth a look

Shows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Great$20.99

avg listing price — sweet spot $15–$100

Brand share

Great47%

top-5 brand share — no brand owns this niche

Price range

Great$8.04–$50.86

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

Market size

Great$1.2M

$1.2M/yr · 837K searches

Competition

Great39%

top-5 click share — an open shelf

Conversion

Good6.6%

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

Review moat

Good751.89

avg incumbent reviews — the moat a new listing must climb

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Growth

Bad-9.3%

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

Is liquid magnesium profitable on Amazon?

According to Flapen's Amazon United States niche tracking, liquid magnesium is a $1.2M/yr Amazon United States market (837K searches/yr). The top 5 brands hold 47% of demand. Verdict: Worth a look — 70/100.

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

liquid magnesium market size & sales

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

Units sold / yr: 50K–60K; avg 1,500–2,000/product
Revenue / yr: $1.0M–$1.3M; units × avg price
Conversion rate: 6.6%
Avg BSR: #617
Page quality: 0%
Prime: 100%
Sponsored: 89%
Out of stock: 6.3%
Avg brand age: 54 months
Avg seller age: 152 days

Competition: brands, sellers & click share

Clicks spread well past the top 5 (39% combined) — an open shelf where new products get seen.

Brands

29 flat

Sellers

584

Top-5 brand share

47%

Top 20: 89%

Top-5 click share

39%

Top 20: 77%

Open market

49%

dilib21%
Trace Minerals11%
GORNVB5%
Pure Encapsulations5%
Vita Guard5%
iMATCHME4%

liquid magnesium demand & seasonality

Weekly Amazon search volume, last 104 weeks — -9.3% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.5×

Open Trend

Top liquid magnesium search terms shoppers use

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

liquid magnesium160K/yr -15.4%4.4% conv.
magnesium glycinate liquid135K/yr -17.7%5.0% conv.
liquid magnesium glycinate106K/yr -0.3%5.0% conv.
magnesium drops93K/yr -4.5%5.5% conv.
magnesium glycinate drops69K/yr -6.1%5.0% conv.
magnesium liquid76K/yr -10.2%3.7% conv.
magnesium liquid drops35K/yr -4.4%5.5% conv.
magnesium glycinate liquid drops31K/yr +2.6%4.8% conv.
liquid magnesium complex23K/yr -5.2%3.9% conv.
magnesium complex drops16K/yr -8.0%5.3% conv.

All search terms

Top liquid magnesium 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

Magnesium Glycinate Supplement Magnesium Liquid Drops with Magnesium Glycinate 500mg Vitamin B6 Ashwagandha L - Theanine Chamomile -Support Stress Relief Bone Muscle Mood Vegan

dilib$17.354.6★996 rev

Trace Minerals Liquid Ionic Magnesium 400 mg 4 fl oz

Trace Minerals$18.904.4★3,860 rev

(2 Pack) Magnesium Glycinate Liquid Drops | 1000mg Liquid Magnesium Complex with D3 L-Thea & GABA for Energy Sleep Nerve and Heart Health High Absorption Raspberry Flavor

GORNVB$19.114.6★363 rev

Pure Encapsulations Magnesium Glycinate Liquid - Supports Bone Health & Heart Health* - Vegan Gluten Free & Non-GMO - 16.2 fl oz

Pure Encapsulations$46.314.5★742 rev

Magnesium Glycinate 500mg Liquid Drops Sugar-Free Magnesium Supplement Vegan Formula 60 mL Flavor Pineapple

Vita Guard$19.054.6★210 rev

Newest

by launch date

Magnesium Glycinate Liquid Drops 600mg High Absorption Magnesium Complex with L-Theanine Omega-3 B6 D3 Lemon Balm | Calm Sleep Brain Nerve Bone Support | 2 Fl Oz Strawberry Flavor

Yalvive$9.7665 rev

4mo ago

Liquid Magnesium Glycinate Drops for Sleep Support & Nighttime Calm Magnesium Drops with Chamomile Ashwagandha L-Theanine & GABA for Relaxation Support Gentle Absorption Strawberry Flavor 2 Fl Oz

iMATCHME$22.611,278 rev

8mo ago

2 Packs 21-in-1 Liposomal 12 Active Magnesium Complex 2000MG+ Liquid Drops - with Magnesium Glycinate Citrate etc Ashwagandha & L-Theanine CoQ10 for Mood Muscle Heart & Relaxation Nerve* Support

Vemluta$28.3269 rev

8mo ago

Magnesium Complex for Women Men 12 in 1 Liquid Magnesium Supplement

GLOVVUUP$10.2594 rev

9mo ago

Magnesium Glycinate 500mg Liquid Drops Sugar-Free Magnesium Supplement Vegan Formula 60 mL Flavor Pineapple

Vita Guard$19.05210 rev

11mo ago

What reviews say buyers love and hate about liquid magnesium

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

What buyers love

Sleep Quality27%

“Sleep like a baby”

Taste-Overall15%

“Good unique taste”

Magnesium8%

“A very good Magnesium supplement”

Quality-Overall8%

“Excellent product”

Flavor4%

“Flavor is delicious”

Efficiency3%

“Works Well”

Ease Of Use3%

“Easy to”

Stress/Anxiety2%

“This is 2nd time buying this it seems to help with relaxing”

Soothing Effect2%

“it does help me relax”

Vitamin2%

“appreciate the combination of vitamins”

What buyers complain about

Taste-Overall18%

“Almost tasteless”

Sleep Quality12%

“wouldnt go to sleep”

Magnesium8%

“Not enough magnesium”

Dosage6%

“the dosing is wrong”

Smell4%

“Toxic smell to it”

Ingredients-Overall3%

“CHANGED ACTIVE INGREDIENTS”

Color3%

“the color is darker”

Flavor3%

“My kids dont really like the strawberry flavor”

Value For Money2%

“Waste of money”

Advertised Vs Actual Product2%

“False advertising”

Top return reasons

Taste-Overall19%

Magnesium17%

Functionality-Overall17%

Color11%

Advertised Vs Actual Product11%

Ease Of Use6%

Cough Relief6%

Material Quality6%

Color Fading/Discoloration3%

Smell3%

Common liquid magnesium questions

Is liquid magnesium profitable to sell on Amazon United States?: The niche generates $1.2M/yr across 38 tracked products. 7 of 7 products launched in the last 360 days are still selling. 90-day search growth is -9.3%. Flapen's verdict: Worth a look (70/100).
How competitive is the liquid magnesium niche?: 29 brands and 584 sellers compete. The top 5 products take 39% of clicks and top 5 brands hold 47% of demand.
What do buyers complain about in liquid magnesium?: Top complaints mined from reviews: Taste-Overall, Sleep Quality, Magnesium. The return rate is 0.0%.
When does demand for liquid magnesium peak?: Demand is steady year-round — the busiest month runs 1.5× the quietest.
What does it cost to enter the liquid magnesium niche?: Listings span $8.04–$50.86; the average listing price is $20.99 (sweet spot $15–$100). The average incumbent carries 752 reviews — the moat a new listing must climb.