---
title: "Calcium Magnesium Zinc — $1.5M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/calcium-magnesium-zinc"
last_updated: "2026-08-05T21:28:50.011Z"
locale: en
meta:
description: "Niche score 53/100 · $1.5M/yr market · 740K searches/yr. A concentrated shelf (top 5 take 79% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 53/100 · $1.5M/yr market · 740K searches/yr. A concentrated shelf (top 5 take 79% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Calcium Magnesium Zinc — $1.5M/yr Amazon US Niche (2026) - Flapen"
---
# **calcium magnesium zinc**
**Worth a look**
Shows low returns (0.0%), but a concentrated shelf (top 5 take 79% of clicks) keeps it on the watch list.
Market size 86Growth 21Conversion 95Competition 17Returns 100Price range 58Avg price 77Brand share 43Review moat 24Quality gap 22
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****12.6%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Great****$1.5M**
$1.5M/yr · 740K searches
**Avg price**
**Great****$15.80**
avg listing price — sweet spot $15–$100
**Price range**
**Good****$5.32–$28.24**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Okay****79%**
top-5 brand share — brands hold most of the demand
**Review moat**
**Bad****6,431.08**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-7.7%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****79%**
top-5 click share — a locked-up shelf
According to Flapen's Amazon United States niche tracking, calcium magnesium zinc is a $1.5M/yr Amazon United States market (740K searches/yr). The top 5 brands hold 79% of demand. Verdict: Worth a look — 53/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **calcium magnesium zinc market data**
- **Units sold / yr**
- **100K–125K**
- avg 6,000–8,000/product
- **Revenue / yr**
- **$1.6M–$2.0M**
- units × avg price
- **Conversion rate**
- **12.6%**
- **Avg BSR**
- **#164**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **83%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **71 months**
- **Avg seller age**
- **146 days**
## **Competition & brand share**
The top 5 products capture 79% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**12 **▲rising
**Sellers**
**74**
**Top-5 brand share**
**79%**
Top 20: 100%
**Top-5 click share**
**79%**
Top 20: 100%
**Open market**
**17%**
- Nature Made34% - Nature's Bounty23% - Qunol8% - SOLARAY8% - Nutricost6% - Amazing Nutrition4% - Open — no brand owns it (6 brands, 17%)
## **Demand & seasonality**
Weekly Amazon search volume, last 99 weeks — -7.7% search growth over the last 90 days.
18K13KSpike '24Prime Day '25Spike '25 seasonDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 2.0×
[**Open Trend **](https://flapen.com/research/us/health-household/calcium-magnesium-zinc/trend)
## **Top calcium magnesium zinc search terms**
- **calcium magnesium zinc**381K/yr-16.0%13.7% conv. - **calcium magnesium zinc d3**44K/yr+17.9%10.4% conv. - **calcio magnesio y zinc con vitamina d3**60K/yr-7.6%2.3% conv. - **magnesium calcium zinc supplement**34K/yr-13.4%9.9% conv. - **cal mag zinc**20K/yr+8.7%8.3% conv. - **nature made calcium magnesium zinc**23K/yr-26.3%17.4% conv. - **calcium magnesium and zinc**19K/yr+7.8%10.1% conv. - **magnesium calcium zinc**14K/yr+39.7%6.8% conv. - **magnesium zinc calcium supplement**19K/yr-15.8%7.1% conv. - **calcium magnesium zinc with vitamin d3**9K/yr+27.8%5.8% conv. [**All search terms **](https://flapen.com/research/us/health-household/calcium-magnesium-zinc/search-terms)
## **Top calcium magnesium zinc 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.
0%10%$148K20%$295K30%$443K40%$591K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 12 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Nature Made Calcium Magnesium Zinc with Vitamin D3 Dietary Calcium Supplement for Bone Support 300 Tablets**Nature Made**$11.08**4.8★20,058 rev](https://www.amazon.com/dp/B000OD1F7U) [2**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**$5.32**4.7★23,123 rev](https://www.amazon.com/dp/B002BXAMJS) [3**Qunol Calcium 3 in 1 Tablets with Calcium Magnesium & Zinc for Immune Support Bone Nerve and Muscle Health Supplement 270 Count**Qunol**$18.15**4.7★3,224 rev](https://www.amazon.com/dp/B0CCK411P5) [4**SOLARAY Calcium Magnesium Zinc Supplement - with Calcium 1000mg Magnesium 500mg - Bone Health Muscle Function Heart Health and Immune Support - Vegan 60 Day Guarantee 68 Servings 275 VegCaps**SOLARAY**$23.60**4.7★5,860 rev](https://www.amazon.com/dp/B07T3PGKQP) [5**Nutricost Calcium Magnesium & Zinc Tablets 1 415 mg 180 Tablets - Vitamin/Mineral Blend Supplement 60 Servings - Gluten Free Non-GMO**Nutricost**$13.87**4.6★568 rev](https://www.amazon.com/dp/B0CCZR81HQ)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Allin1 Calcium Magnesium Zinc Supplement with Potassium Copper Strontium Silica Vitamin D3 K2 Boron Vitamin B1 B12 Red Clover Herb Alfalfa Basil Pills for Men & Women Clean Nutra Osteo Defend**Clean Nutraceuticals**$28.24**784 rev1y ago](https://www.amazon.com/dp/B0DCH5HRSW) [**Vitamatic Calcium Magnesium Zinc D3 Boron | 365 Coated Tablets Supplement | Calcium 1200 mg Magnesium 420mg Zinc 25mg Vitamin D3 1000 IU Boron 1 mg | Non-GMO | Gluten Free | Made in USA**Vitamatic**$17.61**805 rev2y ago](https://www.amazon.com/dp/B0CXPDVRHT) [**Nutricost Calcium Magnesium & Zinc Tablets 1 415 mg 180 Tablets - Vitamin/Mineral Blend Supplement 60 Servings - Gluten Free Non-GMO**Nutricost**$13.87**568 rev3y ago](https://www.amazon.com/dp/B0CCZR81HQ) [**Qunol Calcium 3 in 1 Tablets with Calcium Magnesium & Zinc for Immune Support Bone Nerve and Muscle Health Supplement 270 Count**Qunol**$18.15**3,224 rev3y ago](https://www.amazon.com/dp/B0CCK411P5) [**Calcium Magnesium Zinc with Vitamin D3 | Calcium Supplement | Calcium Magnesium Zinc | Calcium 600 mg with vitamin D3 | Calcium Magnesium Supplement + STS Sticker.**STS Home**$18.41**420 rev3y ago](https://www.amazon.com/dp/B0BK6JM1Q4)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Allin1 Calcium Magnesium Zinc Supplement with Potassium Copper Strontium Silica Vitamin D3 K2 Boron Vitamin B1 B12 Red Clover Herb Alfalfa Basil Pills for Men & Women Clean Nutra Osteo Defend**Clean Nutraceuticals**$28.24**4.6★**▲ 40%**](https://www.amazon.com/dp/B0DCH5HRSW) [**Calcium Magnesium Zinc with Vitamin D3 | Calcium Supplement | Calcium Magnesium Zinc | Calcium 600 mg with vitamin D3 | Calcium Magnesium Supplement + STS Sticker.**STS Home**$18.41**4.7★**▲ 17%**](https://www.amazon.com/dp/B0BK6JM1Q4) [**Vitamatic Calcium Magnesium Zinc D3 Boron | 365 Coated Tablets Supplement | Calcium 1200 mg Magnesium 420mg Zinc 25mg Vitamin D3 1000 IU Boron 1 mg | Non-GMO | Gluten Free | Made in USA**Vitamatic**$17.61**4.5★**▲ 11%**](https://www.amazon.com/dp/B0CXPDVRHT) [**Nutricost Calcium Magnesium & Zinc Tablets 1 415 mg 180 Tablets - Vitamin/Mineral Blend Supplement 60 Servings - Gluten Free Non-GMO**Nutricost**$13.87**4.6★**— 9%**](https://www.amazon.com/dp/B0CCZR81HQ) [**Nature Made Calcium Magnesium Zinc with Vitamin D3 Dietary Calcium Supplement for Bone Support 300 Tablets**Nature Made**$11.08**4.8★**— 7%**](https://www.amazon.com/dp/B000OD1F7U)
**~~View all trending →~~**
## **What buyers say about calcium magnesium zinc**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**19%
*“They look as good as the more expensive brand”*
**Vitamin**15%
*“Good source of vitamins”*
**Value For Money**13%
*“GREAT PRICE”*
**Calcium**8%
*“A Good Calcium”*
**Advertised Vs Actual Product**7%
*“As advertised”*
**Ease Of Chewing/Swallowing**4%
*“This is the best for me because easy swallowing”*
**Joint Pain**2%
*“this really really helped a lot especially with my joint pain too”*
**Efficiency**2%
*“Seems like it help”*
**Nutritional Content**2%
*“Nice supplement”*
**Magnesium**2%
*“the magnesium is really great for absorbing that”*
### **What buyers complain about **
**Ease Of Chewing/Swallowing**17%
*“Wasnt swallow”*
**Size-Overall**14%
*“Very large”*
**Dosage**11%
*“Content of each is very low per dosage compared to other brands at the same cost”*
**Calcium**5%
*“I can tell immediately when supplements dont actually contain the percentages of calcium they say”*
**Vitamin**4%
*“Vitamins r too big to swallow”*
**Quality-Overall**3%
*“Very bad batch here”*
**Value For Money**3%
*“It's REALLY expensive”*
**Taste-Overall**3%
*“They don't taste great”*
**Magnesium**3%
*“Magnesium citrate also causes loose stool”*
**Hard Feel**2%
*“But this last batch is hard like it has bones in it or something”*
### **Top return reasons **
**Magnesium**33%
**Value For Money**17%
**Calcium**17%
**Vitamin**17%
**Advertised Vs Actual Product**17%
## **Common questions**
- **Is calcium magnesium zinc profitable to sell on Amazon United States?**
- The niche generates $1.5M/yr across 12 tracked products. 90-day search growth is -7.7%. Flapen's verdict: Worth a look (53/100).
- **How competitive is the calcium magnesium zinc niche?**
- 12 brands and 74 sellers compete. The top 5 products take 79% of clicks and top 5 brands hold 79% of demand.
- **What do buyers complain about in calcium magnesium zinc?**
- Top complaints mined from reviews: Ease Of Chewing/Swallowing, Size-Overall, Dosage. The return rate is 0.0%.
- **When does demand for calcium magnesium zinc peak?**
- Demand is steady year-round — the busiest month runs 2.0× the quietest.
- **What does it cost to enter the calcium magnesium zinc niche?**
- Listings span $5.32–$28.24; the average listing price is $15.80 (sweet spot $15–$100). The average incumbent carries 6,431 reviews — the moat a new listing must climb.
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