Is mgt profitable to sell on Amazon United States?

The niche generates $392K/yr across 23 tracked products. 5 of 6 products launched in the last 360 days are still selling. 90-day search growth is +12.6%. Flapen's verdict: Worth a look (54/100).

How competitive is the mgt niche?

20 brands and 272 sellers compete. The top 5 products take 68% of clicks and top 5 brands hold 74% of demand.

What do buyers complain about in mgt?

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

When does demand for mgt peak?

Demand is steady year-round — the busiest month runs 1.7× the quietest.

What does it cost to enter the mgt niche?

Listings span $17.77–$62.27; the average listing price is $29.34 (sweet spot $15–$100). The average incumbent carries 7,112 reviews — the moat a new listing must climb.

Mgt

Worth a look

Shows low returns (0.0%), but a deep review moat (7,112 avg reviews) keeps it on the watch list.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Incredible$29.34

avg listing price — sweet spot $15–$100

Price range

Incredible$17.77–$62.27

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

Market size

Good$392K

$392K/yr · 232K searches

Brand share

Good74%

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

Growth

Okay+12.6%

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

Competition

Okay68%

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

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Review moat

Bad7,111.83

avg incumbent reviews — the moat a new listing must climb

Is mgt profitable on Amazon?

According to Flapen's Amazon United States niche tracking, mgt is a $392K/yr Amazon United States market (232K searches/yr). The top 5 brands hold 74% of demand. Verdict: Worth a look — 54/100.

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

mgt market size & sales

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

Units sold / yr: 15K–20K; avg 1,250–1,500/product
Revenue / yr: $440K–$587K; units × avg price
Conversion rate: 5.8%
Avg BSR: #309
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 1.2%
Avg brand age: 44 months
Avg seller age: 152 days

Competition: brands, sellers & click share

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

Brands

20 rising

Sellers

272

Top-5 brand share

74%

Top 20: 100%

Top-5 click share

68%

Top 20: 97%

Open market

23%

NATURAL STACKS27%
Intelligent Labs17%
Macuhealth14%
AMANDEAN11%
Life Extension4%
Double Wood Supplements4%

mgt demand & seasonality

Weekly Amazon search volume, last 99 weeks — +12.6% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.7×

Open Trend

Top mgt search terms shoppers use

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

magnesium threonate and glycinate37K/yr +51.2%4.0% conv.
magnesium l-threonate and glycinate31K/yr +59.3%3.5% conv.
magtech magnesium34K/yr +3.3%10.0% conv.
magnesium glycinate and threonate27K/yr -12.6%3.6% conv.
magnesium glycinate and l-threonate18K/yr +0.3%1.8% conv.
magnesium glycinate threonate15K/yr -11.9%3.5% conv.
magtech12K/yr +6.0%6.1% conv.
magnesium threonate glycinate10K/yr +12.5%2.6% conv.
magtech magnesium complex10K/yr +23.0%6.6% conv.
magnesium l-threonate complex10K/yr +2.8%2.0% conv.

All search terms

Top mgt 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 23 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

MagEnhance Magnesium Complex Magtein L-Threonate Glycinate for Sleep

Intelligent Labs$29.354.6★7,540 rev

MagTech Magnesium Complex Glycinate L-Threonate and Taurate 90 Capsules

NATURAL STACKS$35.364.6★3,674 rev

MacuHealth Magnesium Glycinate & L-Threonate 145 mg - Absorbable Magnesium

Macuhealth$24.794.5★119 rev

MagTech Magnesium Complex Glycinate L-Threonate and Taurate 180 Capsules

NATURAL STACKS$62.274.6★3,674 rev

AMANDEAN Magtein Magnesium Complex. L-Threonate Glycinate Malate Triple Blend Chelated Magnesium Supplement. 90 Veggie Capsules. High Absorption Branded Ingredients. Brain Health Sleep Calm*.

AMANDEAN$31.684.6★1,025 rev

Newest

by launch date

Designs for Health Magnesium Glycinate Complex - High Absorption Patented Magnesium Complex - Promotes Calm Sleep Energy Bone & Heart Health and Immune Support - Vegan Gluten Free (90 Capsules)

Designs for Health$24.444,494 rev

4mo ago

Magnesium Complex for Women & Men 500mg (7-in-1) Magnesium Glycinate with Vegan D3 B6 and Manganese (Made In USA) + Gluconate Citrate Malate Taurate Orotate Carbonate (Oxide-Free) Small Capsule

Etta Vita$26.28402 rev

4mo ago

Liposomal Magnesium Complex 900mg 14-in-1 Magnesium Glycinate + L-Threonate Citrate Taurate & Malate Sleep Muscle & Brain Support 90 Capsules

Plus+Ultra$27.85142 rev

9mo ago

MacuHealth Magnesium Glycinate & L-Threonate 145 mg - Absorbable Magnesium

Macuhealth$24.79119 rev

9mo ago

Magnesium L-Threonate Complex 4 Bioavailable Magnesiums Patented Magtein

American Research Supplements$29.8995 rev

10mo ago

What reviews say buyers love and hate about mgt

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

What buyers love

Sleep Quality23%

“Great night sleep”

Quality-Overall17%

“Amazing quality”

Magnesium16%

“Best magnesium complex so far”

Vitamin4%

“Favorite vitamin”

Efficiency3%

“Effective”

Advertised Vs Actual Product3%

“what I received is accurate”

Value For Money3%

“price was fair”

Muscle Pain Relief2%

“Eases muscle cramping”

Stress/Anxiety2%

“Helps with anxiety and stress”

Ease Of Chewing/Swallowing2%

“Easy to swallow”

What buyers complain about

Sleep Quality14%

“Didn't always help me sleep”

Magnesium7%

“Magnesium not for all”

Dosage6%

“Unclear dosage instructions”

Value For Money6%

“So expensive”

Side Effects6%

“gave me headaches”

Functionality-Overall5%

“Doesnt work as described”

Quality-Overall4%

“Poor Quality Control”

Acid Regulator/Stomach Ache Relief4%

“Stomach pain”

Size-Overall4%

“Too Big”

Ease Of Chewing/Swallowing2%

“VERY DIFFICULT TO SWALLOW”

Top return reasons

Magnesium20%

Functionality-Overall15%

Value For Money12%

Sleep Quality11%

Dosage8%

Acid Regulator/Stomach Ache Relief8%

Size-Overall4%

Advertised Vs Actual Product3%

Heart Health2%

Ease Of Chewing/Swallowing2%

Common mgt questions

Is mgt profitable to sell on Amazon United States?: The niche generates $392K/yr across 23 tracked products. 5 of 6 products launched in the last 360 days are still selling. 90-day search growth is +12.6%. Flapen's verdict: Worth a look (54/100).
How competitive is the mgt niche?: 20 brands and 272 sellers compete. The top 5 products take 68% of clicks and top 5 brands hold 74% of demand.
What do buyers complain about in mgt?: Top complaints mined from reviews: Sleep Quality, Magnesium, Dosage. The return rate is 0.0%.
When does demand for mgt peak?: Demand is steady year-round — the busiest month runs 1.7× the quietest.
What does it cost to enter the mgt niche?: Listings span $17.77–$62.27; the average listing price is $29.34 (sweet spot $15–$100). The average incumbent carries 7,112 reviews — the moat a new listing must climb.

Mgt

Is mgt profitable on Amazon?

mgt market size & sales

Competition: brands, sellers & click share

mgt demand & seasonality

Top mgt search terms shoppers use

Top mgt products & what they sell for

Top sellers

Newest

Trending

What reviews say buyers love and hate about mgt

What buyers love

What buyers complain about

Top return reasons

Common mgt questions

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