Is tri magnesium supplement profitable to sell on Amazon United States?

The niche generates $282K/yr across 7 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +6.3%. Flapen's verdict: Worth a look (50/100).

How competitive is the tri magnesium supplement niche?

6 brands and 10 sellers compete. The top 5 products take 92% of clicks and top 5 brands hold 96% of demand.

What do buyers complain about in tri magnesium supplement?

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

When does demand for tri magnesium supplement peak?

Demand peaks in Jan–Feb; the busiest month runs 2.8× the quietest.

What does it cost to enter the tri magnesium supplement niche?

Listings span $14.98–$54.40; the average listing price is $29.90 (sweet spot $15–$100). The average incumbent carries 5,674 reviews — the moat a new listing must climb.

tri magnesium supplement

Worth a look

Shows low returns (0.0%), but a concentrated shelf (top 5 take 92% of clicks) keeps it on the watch list.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Conversion

Great12.0%

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

Avg price

Incredible$29.90

avg listing price — sweet spot $15–$100

Price range

Incredible$14.98–$54.40

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Market size

Good$282K

$282K/yr · 79K searches

Growth

Okay+6.3%

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

Review moat

Bad5,674.43

avg incumbent reviews — the moat a new listing must climb

Brand share

Bad96%

top-5 brand share — brand-locked demand

Competition

Bad92%

top-5 click share — a locked-up shelf

According to Flapen's Amazon United States niche tracking, tri magnesium supplement is a $282K/yr Amazon United States market (79K searches/yr). The top 5 brands hold 96% of demand. Demand peaks in Jan–Feb. Verdict: Worth a look — 50/100.

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

tri magnesium supplement market data

Units sold / yr: 8K–10K; avg 3,000–4,000/product
Revenue / yr: $239K–$299K; units × avg price
Conversion rate: 12.0%
Avg BSR: #810
Page quality: 0%
Prime: 86%
Sponsored: 86%
Out of stock: 0.0%
Avg brand age: 62 months
Avg seller age: 150 days

Competition & brand share

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

Brands

6 rising

Sellers

Top-5 brand share

96%

Top 20: 100%

Top-5 click share

92%

Top 20: 100%

Open market

Integrative Therapeutics72%
DAVINCI9%
NEURO SALT6%
tnvitamins6%
BioEmblem4%
Vital Nutrients4%
Open — no brand owns it (0%)

Demand & seasonality

Weekly Amazon search volume, last 101 weeks — +6.3% search growth over the last 90 days.

Peak months: Jan, Feb · busiest ÷ quietest = 2.8×

Open Trend

Top tri magnesium supplement search terms

magnesium trioxide22K/yr -8.6%0.3% conv.
tri magnesium10K/yr +53.8%9.8% conv.
tri magnesium supplement18K/yr -30.8%5.2% conv.
magnesium trioxide dr oz3K/yr +241.9%0.8% conv.
tri magnesium integrative therapeutics5K/yr +81.5%24.7% conv.
trimagnesium integrative therapeutics5K/yr +31.3%23.7% conv.
trimagnesium7K/yr -3.6%6.3% conv.
tri mag3K/yr -20.9%10.3% conv.
trimag3K/yr -1.9%11.3% conv.
integrative tri magnesium3K/yr -26.7%25.9% conv.

All search terms

Top tri magnesium supplement 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

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

DAVINCI Tri-Mag 300 - Triple Complex with Magnesium Glycinate Taurinate & Malate - Calm Magnesium Supplement for Sleep - Nerve Support Formula - 120 Capsules (30 Servings)

DAVINCI$27.814.6★507 rev

Neuro Salt Capsules dr oz 90 Capsules Electrolyte & Mineral Support Formula Daily Hydration & Balance Naturally Sourced Ingredients Easy-to-Take Capsules (2)

NEURO SALT$54.403.2★24 rev

Triple Magnesium Complex Supplement 500mg: Magnesium Glycinate Citrate & Oxide - 120 Capsules (4 Month Supply!) | 1 Capsule Serving Provides 125% Daily Value | Non-GMO Made in the USA!

tnvitamins$14.984.5★432 rev

Integrative Therapeutics Tri-Magnesium - Supports Cellular Energy & Energy Metabolism* - Magnesium Supplement for Heart & Nerve Health Support* - Third-Party Tested - 180 Capsules (180 Servings)

Integrative Therapeutics$40.334.7★2,466 rev

Newest

by launch date

Neuro Salt Capsules dr oz 90 Capsules Electrolyte & Mineral Support Formula Daily Hydration & Balance Naturally Sourced Ingredients Easy-to-Take Capsules (2)

NEURO SALT$54.4024 rev

3mo ago

Triple Magnesium Complex Supplement 500mg: Magnesium Glycinate Citrate & Oxide - 120 Capsules (4 Month Supply!) | 1 Capsule Serving Provides 125% Daily Value | Non-GMO Made in the USA!

tnvitamins$14.98432 rev

1y ago

Integrative Therapeutics Tri-Magnesium - Supports Cellular Energy & Energy Metabolism* - Magnesium Supplement for Heart & Nerve Health Support* - Third-Party Tested - 180 Capsules (180 Servings)

Integrative Therapeutics$40.332,466 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

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 tri magnesium supplement

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

What buyers love

Sleep Quality23%

“Sleep has improved”

Magnesium18%

“Best Magnesium”

Quality-Overall13%

“the quality feels reliable”

Vitamin6%

“Vitamin for good use”

Efficiency5%

“Works Fast”

Advertised Vs Actual Product3%

“Works as advertised”

Value For Money3%

“Good deal”

Acid Regulator/Stomach Ache Relief2%

“No stomach issues”

Ease Of Use2%

“The capsules are convenient”

Regulates Digestion2%

“It also helps with digestion”

What buyers complain about

Sleep Quality11%

“I could not sleep”

Value For Money9%

“Not a great value”

Dosage8%

“I got half the dose than what is advertised”

Magnesium7%

“I did not like this Magnesium supplement”

Acid Regulator/Stomach Ache Relief7%

“Stomach ache”

Functionality-Overall6%

“OK. It didn't seem to be as active as I thought it would”

Side Effects6%

“For me it caused gastrointestinal problems”

Quality-Overall3%

“Poor quality control”

Size-Overall3%

“TINY bottle”

Taste-Overall2%

“Tastes moldy”

Top return reasons

Magnesium21%

Leak-Proof14%

Functionality-Overall14%

Dosage14%

Value For Money14%

Acid Regulator/Stomach Ache Relief14%

Heart Health7%

Common questions

Is tri magnesium supplement profitable to sell on Amazon United States?: The niche generates $282K/yr across 7 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +6.3%. Flapen's verdict: Worth a look (50/100).
How competitive is the tri magnesium supplement niche?: 6 brands and 10 sellers compete. The top 5 products take 92% of clicks and top 5 brands hold 96% of demand.
What do buyers complain about in tri magnesium supplement?: Top complaints mined from reviews: Sleep Quality, Value For Money, Dosage. The return rate is 0.0%.
When does demand for tri magnesium supplement peak?: Demand peaks in Jan–Feb; the busiest month runs 2.8× the quietest.
What does it cost to enter the tri magnesium supplement niche?: Listings span $14.98–$54.40; the average listing price is $29.90 (sweet spot $15–$100). The average incumbent carries 5,674 reviews — the moat a new listing must climb.