Is magnesium glycinate liquid profitable to sell on Amazon United States?

The niche generates $470K/yr across 20 tracked products. 5 of 5 products launched in the last 360 days are still selling. 90-day search growth is -8.4%. Flapen's verdict: Worth a look (60/100).

How competitive is the magnesium glycinate liquid niche?

17 brands and 532 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 64% of demand.

What do buyers complain about in magnesium glycinate liquid?

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

When does demand for magnesium glycinate liquid peak?

Demand is steady year-round — the busiest month runs 1.3× the quietest.

What does it cost to enter the magnesium glycinate liquid niche?

Listings span $8.04–$50.86; the average listing price is $20.46 (sweet spot $15–$100). The average incumbent carries 692 reviews — the moat a new listing must climb.

Magnesium Glycinate Liquid

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$20.46

avg listing price — sweet spot $15–$100

Price range

Great$8.04–$50.86

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

Conversion

Good6.6%

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

Review moat

Good692.45

avg incumbent reviews — the moat a new listing must climb

Brand share

Good64%

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

Market size

Good$470K

$470K/yr · 350K searches

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Competition

Okay57%

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

Growth

Bad-8.4%

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

Is magnesium glycinate liquid profitable on Amazon?

According to Flapen's Amazon United States niche tracking, magnesium glycinate liquid is a $470K/yr Amazon United States market (350K searches/yr). The top 5 brands hold 64% of demand. Verdict: Worth a look — 60/100.

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

magnesium glycinate liquid market size & sales

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

Units sold / yr: 20K–25K; avg 750–1,000/product
Revenue / yr: $409K–$512K; units × avg price
Conversion rate: 6.6%
Avg BSR: #671
Page quality: 0%
Prime: 100%
Sponsored: 95%
Out of stock: 4.6%
Avg brand age: 46 months
Avg seller age: 159 days

Competition: brands, sellers & click share

The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them.

Brands

17 flat

Sellers

532

Top-5 brand share

64%

Top 20: 100%

Top-5 click share

57%

Top 20: 100%

Open market

30%

dilib29%
Trace Minerals11%
Vita Guard10%
Pure Encapsulations8%
Vita letuo6%
GORNVB6%

magnesium glycinate liquid demand & seasonality

Weekly Amazon search volume, last 104 weeks — -8.4% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.3×

Open Trend

Top magnesium glycinate liquid search terms shoppers use

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

magnesium glycinate liquid135K/yr -17.7%5.0% conv.
liquid magnesium glycinate106K/yr -0.3%4.5% conv.
magnesium glycinate drops69K/yr -6.1%4.7% conv.
magnesium glycinate liquid drops31K/yr +2.6%4.6% conv.
magnesium glycinate drops for adults9K/yr -13.2%5.7% conv.

All search terms

Top magnesium glycinate liquid 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 20 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

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

Vita Guard$19.054.6★210 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

Trace Minerals Magnesium Glycinate Liquid Supplement Lemon Lime 8 fl oz

Trace Minerals$21.884.4★170 rev

Magnesium Glycinate Liquid Drops Pure Magnesium Glycinate 400mg for Bone 6X High Absorption Liquid Magnesium Supplement Vegan Non-GMO Gluten-Free | 30 Servings

Vita letuo$9.964.5★427 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

Vita Guard Magnesium Glycinate 500mg Liquid Drops | High-Absorption Liquid Magnesium for Relaxation Sleep Support & Muscle Wellness | Sugar-Free Vegan Non-GMO Magnesium Supplement

Vita Guard$19.8164 rev

9mo ago

Pure Magnesium Glycinate 400mg Liquid Drops High Absorption Chelated Calm Magnesium with Zinc for Sleep Relaxation Muscle Bone Nerve & Brain Health Non GMO Vegan for Women Men & Kids

JUIWEFKK$9.9874 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 magnesium glycinate liquid

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

What buyers love

Sleep Quality27%

“Sleep like a baby”

Taste-Overall16%

“Good unique taste”

Magnesium8%

“Best magnesium”

Quality-Overall8%

“Overall, this has been an easy addition to my wellness routine, and Im very satisfied with the quality and taste”

Ease Of Use4%

“It is easy to operate”

Flavor3%

“Natural flavor”

Efficiency3%

“It works quickly”

Muscle Pain Relief2%

“Muscle cramps gone”

Vitamin2%

“Love this vitamin”

Value For Money2%

“Worth money”

What buyers complain about

Taste-Overall20%

“Almost tasteless”

Sleep Quality9%

“Can't sleep”

Magnesium8%

“Serving size of magnesium ridiculously low”

Ingredients-Overall5%

“Did the ingredients change”

Dosage4%

“No Dosage Mark”

Color3%

“was a different color”

Advertised Vs Actual Product3%

“doesn't seem to work like advertised”

Smell3%

“it smells different”

Flavor2%

“I wish I could find a candy with this exact flavor”

Value For Money2%

“A little expensive”

Top return reasons

Taste-Overall23%

Magnesium20%

Functionality-Overall20%

Color10%

Material Quality7%

Ease Of Use7%

Cough Relief7%

Sour3%

Color Fading/Discoloration3%

Common magnesium glycinate liquid questions

Is magnesium glycinate liquid profitable to sell on Amazon United States?: The niche generates $470K/yr across 20 tracked products. 5 of 5 products launched in the last 360 days are still selling. 90-day search growth is -8.4%. Flapen's verdict: Worth a look (60/100).
How competitive is the magnesium glycinate liquid niche?: 17 brands and 532 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 64% of demand.
What do buyers complain about in magnesium glycinate liquid?: Top complaints mined from reviews: Taste-Overall, Sleep Quality, Magnesium. The return rate is 0.0%.
When does demand for magnesium glycinate liquid peak?: Demand is steady year-round — the busiest month runs 1.3× the quietest.
What does it cost to enter the magnesium glycinate liquid niche?: Listings span $8.04–$50.86; the average listing price is $20.46 (sweet spot $15–$100). The average incumbent carries 692 reviews — the moat a new listing must climb.