zinc and magnesium supplement
Worth a lookShows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Avg price
Great$19.61avg listing price — sweet spot $15–$100
Brand share
Great57%top-5 brand share — no brand owns this niche
Conversion
Great7.4%search→purchase rate — share of searches ending in a sale
Price range
Good$5.32–$36.44cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Good$605K$605K/yr · 417K searches
Competition
Good50%top-5 click share — leaders hold, buyers still browse
Growth
Bad-2.1%90-day search growth — must beat 0% to launch
Review moat
Bad5,417.71avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
According to Flapen's Amazon United States niche tracking, zinc and magnesium supplement is a $605K/yr Amazon United States market (417K searches/yr). The top 5 brands hold 57% of demand. Demand peaks in Aug–Sep. Verdict: Worth a look — 59/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
zinc and magnesium supplement market data
- Units sold / yr
- 30K–40K
- avg 1,250–1,500/product
- Revenue / yr
- $588K–$784K
- units × avg price
- Conversion rate
- 7.4%
- Avg BSR
- #365
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 92%
- Out of stock
- 0.0%
- Avg brand age
- 64 months
- Avg seller age
- 148 days
Competition & brand share
The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.Brands
21 rising
Sellers
638
Top-5 brand share
57%
Top 20: 99%
Top-5 click share
50%
Top 20: 95%
Open market
37%
- Nature's Bounty17%
- Nature Made16%
- NutraChamps10%
- Optimum Nutrition8%
- Nutricost7%
- Nobi Nutrition5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -2.1% search growth over the last 90 days.Peak months: Aug, Sep · busiest ÷ quietest = 2.5×
Top zinc and magnesium supplement search terms
- zinc and magnesium supplement56K/yr
- magnesium zinc55K/yr
- zinc magnesium supplements49K/yr
- magnesium and zinc44K/yr
- zinc magnesium29K/yr
- magnesium zinc vitamin d314K/yr
- magnesium with zinc21K/yr
- magnesium and zinc supplement20K/yr
- zinc and magnesium17K/yr
- zinc magnesium vitamin d19K/yr
Top zinc and 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Natures Bounty Calcium Magnesium & Zinc Caplets Immune & Bone Health Daily Supplement 1000mg Calcium 400mg Magnesium 600 IU Vitamin D Gluten Free 100 Caplets
Nature's Bounty$5.324.7★23,123 rev
Magnesium Zinc & Vitamin D3 Supplement - Most Bioavailable Forms; Magnesium Glycinate Malate Citrate - Bone Muscle & Heart Health Immune Support - 120 Vegan Capsules
NutraChamps$21.124.6★1,956 rev
Nature Made Magnesium Complex Supplement with Vitamin D & Zinc for Immune Support Magnesium Glycinate Malate Citrate & Oxide for Muscle Nerve Heart & Bone Support 60 Capsules 30 Day Supply
Nature Made$14.894.7★3,852 rev
Nutricost Calcium Magnesium & Zinc Tablets 1 415 mg 180 Tablets - Vitamin/Mineral Blend Supplement 60 Servings - Gluten Free Non-GMO
Nutricost$13.874.6★568 rev
Nature Made Calcium Magnesium Zinc with Vitamin D3 Dietary Calcium Supplement for Bone Support 300 Tablets
Nature Made$11.084.8★20,058 rev
Newest
by launch date
Vitalitown Magnesium Zinc with Vitamins D3 & B6 Chelated Magnesium Glycinate Malate Citrate Taurate High Absorption for Sleep Bone Heart Immune Digestive Support 60 Caps
Vitalitown$10.4433 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$9.96124 rev
Magnesium Zinc & Vitamin D3 | 260MG Complex | High Absorption Mag Citrate Glycinate & Malate | Muscle Nerve Function & Bone Health Support | Zinc and Magnesium Supplement with VIT D3 | 60 Ct.
Nobi Nutrition$15.7876 rev
Zinc and Magnesium Supplement with Vitamin B6 | Womens Hormone Balance Menstrual Cycle & Immune Support | High Absorption Chelated Magnesium Glycinate with Zinc Picolinate and VIT B6 | 60 Ct
Nobi Nutrition$9.91209 rev
Zinc and Magnesium Supplement Zinc Magnesium Aspartate Post Workout Gummies for Men Women with Vitamin B6 B12 D3 Turmeric for Nighttime Recovery Reduce Fatigue Boost Immunity & Sleep 120 Count
NEVISS$36.44320 rev
Trending
90-day click momentumVitalitown Magnesium Zinc with Vitamins D3 & B6 Chelated Magnesium Glycinate Malate Citrate Taurate High Absorption for Sleep Bone Heart Immune Digestive Support 60 Caps
Vitalitown$10.444.9★
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$9.964.6★
Magnesium Zinc & Vitamin D3 Supplement - Most Bioavailable Forms; Magnesium Glycinate Malate Citrate - Bone Muscle & Heart Health Immune Support - 120 Vegan Capsules
NutraChamps$21.124.6★
Zinc and Magnesium Supplement Zinc Magnesium Aspartate Post Workout Gummies for Men Women with Vitamin B6 B12 D3 Turmeric for Nighttime Recovery Reduce Fatigue Boost Immunity & Sleep 120 Count
NEVISS$36.444.6★
Magnesium Zinc & Vitamin D3 | 260MG Complex | High Absorption Mag Citrate Glycinate & Malate | Muscle Nerve Function & Bone Health Support | Zinc and Magnesium Supplement with VIT D3 | 60 Ct.
Nobi Nutrition$15.784.7★
What buyers say about zinc and magnesium supplement
What buyers praise and complain about, mined from review topics.What buyers love
“Affordable quality”
“Helps me sleep”
“Good magnesium supplement”
“Great communication of vitamins”
“Great deal”
“Really helps relax my muscles”
“Accurate description”
“Clean and Effective”
“not hard to swallow”
“Eliminates leg cramps”
What buyers complain about
“Really expensive”
“Doesn't give you any bettee sleep”
“Maybe the whole Magnesium Glycinate thing is a scam”
“anything over 600-800 IU is toxic”
“Rancid Smell & Off Gasing”
“Didn't work for me”
“pills were too big”
“Wasnt swallow”
“It was the only vitamin I'd take”
“got the worst headache”
Top return reasons
Common questions
- Is zinc and magnesium supplement profitable to sell on Amazon United States?
- The niche generates $605K/yr across 24 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is -2.1%. Flapen's verdict: Worth a look (59/100).
- How competitive is the zinc and magnesium supplement niche?
- 21 brands and 638 sellers compete. The top 5 products take 50% of clicks and top 5 brands hold 57% of demand.
- What do buyers complain about in zinc and magnesium supplement?
- Top complaints mined from reviews: Value For Money, Sleep Quality, Magnesium. The return rate is 0.0%.
- When does demand for zinc and magnesium supplement peak?
- Demand peaks in Aug–Sep; the busiest month runs 2.5× the quietest.
- What does it cost to enter the zinc and magnesium supplement niche?
- Listings span $5.32–$36.44; the average listing price is $19.61 (sweet spot $15–$100). The average incumbent carries 5,418 reviews — the moat a new listing must climb.