Is triple mag profitable to sell on Amazon United States?

The niche generates $11K/yr across 7 tracked products. 90-day search growth is -9.7%. Flapen's verdict: Skip it (37/100).

How competitive is the triple mag niche?

7 brands and 14 sellers compete. The top 5 products take 92% of clicks and top 5 brands hold 92% of demand.

What do buyers complain about in triple mag?

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

When does demand for triple mag peak?

Demand peaks in Oct; the busiest month runs 1.7× the quietest.

What does it cost to enter the triple mag niche?

Listings span $9.83–$30.20; the average listing price is $21.55 (sweet spot $15–$100). The average incumbent carries 7,504 reviews — the moat a new listing must climb.

triple mag

Skip it

A small market ($11K/yr) — this niche doesn't clear our bar today.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Great$21.55

avg listing price — sweet spot $15–$100

Conversion

Great10.0%

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

Price range

Great$9.83–$30.20

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

Review moat

Bad7,504.43

avg incumbent reviews — the moat a new listing must climb

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Growth

Bad-9.7%

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

Brand share

Bad92%

top-5 brand share — brand-locked demand

Competition

Bad92%

top-5 click share — a locked-up shelf

Market size

Bad$11K

$11K/yr · 5K searches

According to Flapen's Amazon United States niche tracking, triple mag is a $11K/yr Amazon United States market (5K searches/yr). The top 5 brands hold 92% of demand. Demand peaks in Oct. Verdict: Skip it — 37/100.

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

triple mag market data

Units sold / yr: 500–750; avg 100–250/product
Revenue / yr: $11K–$16K; units × avg price
Conversion rate: 10.0%
Avg BSR: #408
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 0.0%
Avg brand age: 65 months
Avg seller age: 175 days

Competition & brand share

The top 5 products capture 92% of clicks — a locked-up shelf that new listings rarely crack.

Brands

7 rising

Sellers

Top-5 brand share

92%

Top 20: 100%

Top-5 click share

92%

Top 20: 100%

Open market

Vital Nutrients62%
BioEmblem11%
Integrative Therapeutics7%
Natural Rhythm6%
WoSporT6%
Swanson4%
Open — no brand owns it (1 brand, 4%)

Demand & seasonality

Weekly Amazon search volume, last 99 weeks — -9.7% search growth over the last 90 days.

Peak months: Oct · busiest ÷ quietest = 1.7×

Open Trend

Top triple mag 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 7 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Vital Nutrients Triple Magnesium Complex Supplement | Vegan Magnesium Glycinate Malate & Oxide 250mg | Easily Absorbed Magnesium Supplement for Stress Muscle Heart Bone Support | 90 Capsules

Vital Nutrients$25.274.7★1,640 rev

BioEmblem Triple Magnesium Complex | 300mg Magnesium Glycinate Malate & Citrate | High Absorption Chelated Formula | Vegan Non-GMO Gluten-Free | 90 Capsules

BioEmblem$26.084.6★32,186 rev

Integrative Therapeutics Tri-Magnesium - Supports Cellular Energy & Energy Metabolism* - Magnesium Supplement for Heart & Nerve Health Support* - Third-Party Tested - 90 Capsules (90 Servings)

Integrative Therapeutics$20.444.7★2,466 rev

Natural Rhythm Triple Calm Magnesium Complex - 120 Capsules Chelated Magnesium Glycinate Taurate & Malate High Absorption Supplement for Sleep Stress Muscle & Heart Support Non-GMO Vegan

Natural Rhythm$21.414.6★10,945 rev

Tactical Triple 5.56 Fast Mag Pouch Molle Open Top Hunting Tactical Nylon Magazine Pouch Airsoft Carrier Pocket(High)

WoSporT$30.204.7★46 rev

Newest

by launch date

Tactical Triple 5.56 Fast Mag Pouch Molle Open Top Hunting Tactical Nylon Magazine Pouch Airsoft Carrier Pocket(High)

WoSporT$30.2046 rev

3y ago

BioEmblem Triple Magnesium Complex | 300mg Magnesium Glycinate Malate & Citrate | High Absorption Chelated Formula | Vegan Non-GMO Gluten-Free | 90 Capsules

BioEmblem$26.0832,186 rev

7y ago

Natural Rhythm Triple Calm Magnesium Complex - 120 Capsules Chelated Magnesium Glycinate Taurate & Malate High Absorption Supplement for Sleep Stress Muscle & Heart Support Non-GMO Vegan

Natural Rhythm$21.4110,945 rev

10y ago

Natures Truth Triple Magnesium Complex Supplement | 100 Capsules | 420 mg Magnesium Oxide Citrate & Aspartate | Non-GMO & Gluten Free

Nature's Truth$9.83824 rev

11y ago

Integrative Therapeutics Tri-Magnesium - Supports Cellular Energy & Energy Metabolism* - Magnesium Supplement for Heart & Nerve Health Support* - Third-Party Tested - 90 Capsules (90 Servings)

Integrative Therapeutics$20.442,466 rev

17y ago

What buyers say about triple mag

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

What buyers love

Sleep Quality20%

“Helps with sleep”

Magnesium15%

“Very good magnesium glycinate supplement”

Quality-Overall14%

“consistent quality”

Vitamin6%

“Quality vitamins”

Efficiency6%

“Works well”

Advertised Vs Actual Product5%

“Works as advertised”

Value For Money4%

“Reasonably priced”

Stress/Anxiety2%

“It helps me reduce my stress”

Muscle Pain Relief2%

“it can also help with muscle cramps”

Soothing Effect2%

“also very calming”

What buyers complain about

Magnesium10%

“Not the best forms of magnesium in this bottle”

Sleep Quality10%

“However it did not help with my sleep at all”

Functionality-Overall8%

“Didnt work for me”

Acid Regulator/Stomach Ache Relief7%

“Stomach ache”

Quality-Overall6%

“Poor quality control”

Side Effects4%

“I cant say I feel anything when I take these”

Regulates Digestion3%

“Diarrhea”

Inflammation3%

“Product causes joint inflammation”

Size-Overall3%

“It is a smaller pill than my previous other manufacturers purchases”

Value For Money2%

“reduce the price”

Top return reasons

Functionality-Overall17%

Defective Material/Parts17%

Dosage17%

Stitch/Finish/Polish17%

Color17%

Joint Pain17%

Common questions

Is triple mag profitable to sell on Amazon United States?: The niche generates $11K/yr across 7 tracked products. 90-day search growth is -9.7%. Flapen's verdict: Skip it (37/100).
How competitive is the triple mag niche?: 7 brands and 14 sellers compete. The top 5 products take 92% of clicks and top 5 brands hold 92% of demand.
What do buyers complain about in triple mag?: Top complaints mined from reviews: Magnesium, Sleep Quality, Functionality-Overall. The return rate is 0.0%.
When does demand for triple mag peak?: Demand peaks in Oct; the busiest month runs 1.7× the quietest.
What does it cost to enter the triple mag niche?: Listings span $9.83–$30.20; the average listing price is $21.55 (sweet spot $15–$100). The average incumbent carries 7,504 reviews — the moat a new listing must climb.