Is zinc magnesium aspartate profitable to sell on Amazon United States?

The niche generates $32K/yr across 6 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -12.3%. Flapen's verdict: Skip it (37/100).

How competitive is the zinc magnesium aspartate niche?

5 brands and 21 sellers compete. The top 5 products take 96% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in zinc magnesium aspartate?

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

When does demand for zinc magnesium aspartate peak?

Demand peaks in Jul–Aug; the busiest month runs 1.8× the quietest.

What does it cost to enter the zinc magnesium aspartate niche?

Listings span $9.96–$35.50; the average listing price is $21.83 (sweet spot $15–$100). The average incumbent carries 5,170 reviews — the moat a new listing must climb.

zinc magnesium aspartate

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Great$21.83

avg listing price — sweet spot $15–$100

Conversion

Great10.9%

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

Price range

Great$9.96–$35.50

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Review moat

Bad5,169.5

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-12.3%

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

Market size

Bad$32K

$32K/yr · 13K searches

Competition

Bad96%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, zinc magnesium aspartate is a $32K/yr Amazon United States market (13K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jul–Aug. Verdict: Skip it — 37/100.

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

zinc magnesium aspartate market data

Units sold / yr: 2K–2K; avg 250–500/product
Revenue / yr: $33K–$44K; units × avg price
Conversion rate: 10.9%
Avg BSR: #741
Page quality: 0%
Prime: 100%
Sponsored: 83%
Out of stock: 12.8%
Avg brand age: 83 months
Avg seller age: 162 days

Competition & brand share

The top 5 products capture 96% of clicks — a locked-up shelf that new listings rarely crack.

Brands

5 rising

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

96%

Top 20: 100%

Open market

Optimum Nutrition76%
Double Wood Supplements8%
Force Factor6%
NOW Foods6%
JYM Supplement Science4%

Demand & seasonality

Weekly Amazon search volume, last 99 weeks — -12.3% search growth over the last 90 days.

Peak months: Jul, Aug · busiest ÷ quietest = 1.8×

Open Trend

Top zinc magnesium aspartate 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 6 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Optimum Nutrition Zinc and Magnesium Aspartate Recovery Supplement 180 Ct

Optimum Nutrition$35.504.6★12,630 rev

Optimum Nutrition Zinc and Magnesium Aspartate Recovery Supplement 90 Ct

Optimum Nutrition$22.484.6★12,630 rev

ZMA Supplement for Men and Women (Over 100% Daily Value of Zinc Magnesium Aspartate Vitamin B6) 501mg 90 Capsules for Restfulness and Active Lifestyle Support by Double Wood Supplements

Double Wood Supplements$9.964.5★129 rev

Force Factor Zinc Magnesium Aspartate Zinc Magnesium Supplement to Improve Muscle Recovery & Performance Promote Better Sleep & Relaxation Boost Immune Health 60 Tablets

Force Factor$11.204.3★210 rev

NOW Foods Sports Nutrition ZMA (Zinc Magnesium and Vitamin B-6) Enhanced Absorption Sports Recovery* 180 Capsules

NOW Foods$24.684.6★2,845 rev

Newest

by launch date

ZMA Supplement for Men and Women (Over 100% Daily Value of Zinc Magnesium Aspartate Vitamin B6) 501mg 90 Capsules for Restfulness and Active Lifestyle Support by Double Wood Supplements

Double Wood Supplements$9.96129 rev

11mo ago

Force Factor Zinc Magnesium Aspartate Zinc Magnesium Supplement to Improve Muscle Recovery & Performance Promote Better Sleep & Relaxation Boost Immune Health 60 Tablets

Force Factor$11.20210 rev

5y ago

Omega JYM Fish Oil Supplement for Men & Women EPA DHA DPA - 120 Softgels

JYM Supplement Science$27.172,573 rev

10y ago

NOW Foods Sports Nutrition ZMA (Zinc Magnesium and Vitamin B-6) Enhanced Absorption Sports Recovery* 180 Capsules

NOW Foods$24.682,845 rev

17y ago

Optimum Nutrition Zinc and Magnesium Aspartate Recovery Supplement 90 Ct

Optimum Nutrition$22.4812,630 rev

20y ago

What buyers say about zinc magnesium aspartate

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

What buyers love

Sleep Quality35%

“helped me improve my sleep quality”

Quality-Overall14%

“Good quality”

Advertised Vs Actual Product7%

“Product is as expected”

Value For Money7%

“Affordable product”

Muscle Pain Relief6%

“Helps with muscle recovery and sleep”

Stress/Anxiety4%

“I do wake up feeling recovered though”

Snore Relief2%

“Deeper sleep”

Joint Pain2%

“Great product, definitely help with my bone health”

Inflammation2%

“plus helps my inflamation”

Vitamin2%

“The supplement worked well”

What buyers complain about

Charging17%

“Wrong packaging and charge”

Dosage14%

“Would love more if the dosage was two capsules instead of three”

Sleep Quality8%

“Gave me insomnia”

Side Effects8%

“Side effects”

Value For Money4%

“it became priced out of range”

Smell3%

“have an odd scent”

Size-Overall3%

“The pills are quite large”

Top return reasons

Functionality-Overall67%

Value For Money33%

Common questions

Is zinc magnesium aspartate profitable to sell on Amazon United States?: The niche generates $32K/yr across 6 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -12.3%. Flapen's verdict: Skip it (37/100).
How competitive is the zinc magnesium aspartate niche?: 5 brands and 21 sellers compete. The top 5 products take 96% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in zinc magnesium aspartate?: Top complaints mined from reviews: Charging, Dosage, Sleep Quality. The return rate is 0.0%.
When does demand for zinc magnesium aspartate peak?: Demand peaks in Jul–Aug; the busiest month runs 1.8× the quietest.
What does it cost to enter the zinc magnesium aspartate niche?: Listings span $9.96–$35.50; the average listing price is $21.83 (sweet spot $15–$100). The average incumbent carries 5,170 reviews — the moat a new listing must climb.