Is magnesium glycinate with zinc profitable to sell on Amazon United States?

The niche generates $114K/yr across 36 tracked products. 5 of 7 products launched in the last 360 days are still selling. 90-day search growth is -10.1%. Flapen's verdict: Worth a look (51/100).

How competitive is the magnesium glycinate with zinc niche?

33 brands and 642 sellers compete. The top 5 products take 51% of clicks and top 5 brands hold 51% of demand.

What do buyers complain about in magnesium glycinate with zinc?

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

When does demand for magnesium glycinate with zinc peak?

Demand peaks in Jan–Feb–Mar–Apr; the busiest month runs 2.9× the quietest.

What does it cost to enter the magnesium glycinate with zinc niche?

Listings span $5.33–$33.97; the average listing price is $20.57 (sweet spot $15–$100). The average incumbent carries 5,620 reviews — the moat a new listing must climb.

Magnesium Glycinate with Zinc

Worth a look

Shows low returns (0.0%), but soft demand (-10.1% this quarter) keeps it on the watch list.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Great$20.57

avg listing price — sweet spot $15–$100

Brand share

Great51%

top-5 brand share — no brand owns this niche

Price range

Good$5.33–$33.97

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

Conversion

Good5.3%

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

Competition

Good51%

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

Market size

Okay$114K

$114K/yr · 105K searches

Review moat

Bad5,619.5

avg incumbent reviews — the moat a new listing must climb

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Growth

Bad-10.1%

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

Signals No Dominant Brand

Is magnesium glycinate with zinc profitable on Amazon?

According to Flapen's Amazon United States niche tracking, magnesium glycinate with zinc is a $114K/yr Amazon United States market (105K searches/yr). The top 5 brands hold 51% of demand. Demand peaks in Jan–Feb–Mar–Apr. Verdict: Worth a look — 51/100.

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

magnesium glycinate with zinc market size & sales

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

Units sold / yr: 6K–8K; avg 100–250/product
Revenue / yr: $123K–$165K; units × avg price
Conversion rate: 5.3%
Avg BSR: #516
Page quality: 0%
Prime: 100%
Sponsored: 97%
Out of stock: 3.5%
Avg brand age: 53 months
Avg seller age: 149 days

Competition: brands, sellers & click share

The top 5 products take 51% of clicks — established leaders, but buyers still shop beyond them.

Brands

33 rising

Sellers

642

Top-5 brand share

51%

Top 20: 88%

Top-5 click share

51%

Top 20: 84%

Open market

44%

NATURE TARGET16%
Organics Ocean13%
DRFOSTER8%
BioEmblem7%
Nature Made7%
Dr. Berg Nutritionals5%

magnesium glycinate with zinc demand & seasonality

Weekly Amazon search volume, last 104 weeks — -10.1% search growth over the last 90 days.

Peak months: Jan, Feb, Mar, Apr · busiest ÷ quietest = 2.9×

Open Trend

Top magnesium glycinate with zinc search terms shoppers use

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

magnesium glycinate with zinc36K/yr -8.9%6.3% conv.
magnesium glycinate zinc17K/yr -24.0%5.0% conv.
magnesium glycinate and zinc15K/yr -19.6%5.3% conv.
magnesium glycinate with vitamin d10K/yr +7.9%2.1% conv.
magnesium glycinate and vitamin d7K/yr +28.6%1.2% conv.
magnesium glycinate multivitamin4K/yr +13.2%1.3% conv.
magnesium glycinate vitamin d5K/yr -13.6%4.1% conv.
zinc magnesium glycinate4K/yr -25.9%3.9% conv.
magnesium glycinate plus zinc3K/yr -20.5%7.6% conv.
magnesium glycinate d33K/yr -31.6%2.1% conv.

All search terms

Top magnesium glycinate with zinc 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 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

NATURE TARGET Magnesium Glycinate 500mg Chelated Magnesium with Zinc & Vitamin D3 for Muscle Nerve & Bone Support Heart Health & Leg Cramp Strength Immune System - 120 Capsules

NATURE TARGET$16.674.6★792 rev

Organics Ocean Pure Magnesium Glycinate with Zinc - Maximum Strength Chelated Magnesium Supplement for Women and Men for Muscle Cramps and Sleep Support - 90 Capsule

Organics Ocean$31.694.6★7,374 rev

DRFOSTER Chelated Magnesium Glycinate 500mg with Zinc 120 Veggie Capsules

DRFOSTER$14.014.7★90 rev

BioEmblem Magnesium Glycinate with Zinc - 300mg Chelated Magnesium Supplement - High Absorption Vegan Non-GMO 2-in-1 Complex - Immune Support Muscles Nerves - 90 Capsules

BioEmblem$24.534.7★347 rev

Nature Made Magnesium Complex Supplement with Vitamin D & Zinc 60 Capsules

Nature Made$14.894.7★3,879 rev

Newest

by launch date

Magnesium Glycinate Elemental Magnesium 200mg with Zinc 2mg 240 Capsules High Absorption Magnesium Supplement for Relaxation Calmness & Muscle Support Gentle on Stomach Made in USA

I LOVE HEALTH$23.8152 rev

3mo 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

Magnesium Glycinate 500mg High Absorption Capsules with Zinc (120 Count) | Vitamin C D3 & B6 | Quality Sleep Relaxation & Muscle Health Supplement For Women and Men | Chelated Form | Easy to Swallow

Sandhu's$24.362,848 rev

4mo ago

Bronson Vitamin K2+D3 Magnesium Glycinate Supplement 60 Capsules

Bronson$9.36155 rev

5mo ago

NatureWise Magnesium Glycinate 550mg + High-Dose 10000 IU Vitamin D3 K2 100 mcg - D3 K2 Magnesium Supplement - Chelated for High Absorption - Bone Support - Non-GMO USA Manufactured - [30-Day Supply]

NatureWise$14.35128 rev

9mo ago

What reviews say buyers love and hate about magnesium glycinate with zinc

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

What buyers love

Sleep Quality22%

“Great for sleeping”

Quality-Overall18%

“Amazing quality”

Magnesium12%

“Great magnesium tablets”

Value For Money5%

“They are affordable”

Vitamin5%

“Best Vitamins”

Advertised Vs Actual Product4%

“As advertised”

Muscle Pain Relief4%

“Eases muscle cramping”

Efficiency3%

“Clean and Effective”

Ease Of Chewing/Swallowing2%

“not hard to swallow”

Joint Pain2%

“They help with my back pain and knee pain”

What buyers complain about

Sleep Quality13%

“Can not sleep”

Magnesium12%

“Low dose of actual magnesium”

Dosage8%

“Dosage too high”

Functionality-Overall5%

“Not effective”

Advertised Vs Actual Product4%

“FALSE ADVERTISING”

Value For Money4%

“Way too expensive”

Side Effects4%

“made me bloated”

Size-Overall4%

“Too Big”

Quality-Overall3%

“Poor quality control”

Acid Regulator/Stomach Ache Relief3%

“Makes my stomach hurt”

Top return reasons

Magnesium15%

Dosage13%

Functionality-Overall12%

Value For Money11%

Sleep Quality8%

Advertised Vs Actual Product7%

Acid Regulator/Stomach Ache Relief5%