---
title: "Calcium Magnesium Potassium Supplement — $124K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/calcium-magnesium-potassium-supplement"
last_updated: "2026-08-10T20:40:01.303Z"
locale: en
meta:
description: "Niche score 43/100 · $124K/yr market · 81K searches/yr · $21.20 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 43/100 · $124K/yr market · 81K searches/yr · $21.20 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Calcium Magnesium Potassium Supplement — $124K/yr Amazon US Niche (2026) - Flapen"
---
# **calcium magnesium potassium supplement**
**Skip it**
A concentrated shelf (top 5 take 83% of clicks) — this niche doesn't clear our bar today.
Market size 28Growth 30Conversion 76Competition 14Returns 100Price range 74Avg price 91Brand share 19Review moat 25Quality gap 32
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$21.20**
avg listing price — sweet spot $15–$100
**Conversion**
**Great****7.2%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Good****$5.32–$42.42**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Growth**
**Okay****+3.7%**
90-day search growth — must beat 0% to launch
**Market size**
**Okay****$124K**
$124K/yr · 81K searches
**Review moat**
**Bad****4,324.08**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Bad****93%**
top-5 brand share — brand-locked demand
**Competition**
**Bad****83%**
top-5 click share — a locked-up shelf
According to Flapen's Amazon United States niche tracking, calcium magnesium potassium supplement is a $124K/yr Amazon United States market (81K searches/yr). The top 5 brands hold 93% of demand. Verdict: Skip it — 43/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **calcium magnesium potassium supplement market data**
- **Units sold / yr**
- **6K–8K**
- avg 500–750/product
- **Revenue / yr**
- **$127K–$170K**
- units × avg price
- **Conversion rate**
- **7.2%**
- **Avg BSR**
- **#601**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **92%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **77 months**
- **Avg seller age**
- **155 days**
## **Competition & brand share**
The top 5 products capture 83% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**8 **▲rising
**Sellers**
**502**
**Top-5 brand share**
**93%**
Top 20: 100%
**Top-5 click share**
**83%**
Top 20: 100%
**Open market**
**4%**
- Country Life53% - Best Naturals20% - MD.LIFE8% - BlueBonnet8% - Nature's Bounty3% - Clean Nutraceuticals3% - Open — no brand owns it (2 brands, 4%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +3.7% search growth over the last 90 days.
3K2KBlack Friday '24Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.3×
[**Open Trend **](https://flapen.com/research/us/health-household/calcium-magnesium-potassium-supplement/trend)
## **Top calcium magnesium potassium supplement search terms**
- **country life**18K/yr+11.8%0.7% conv. - **calcium magnesium potassium**20K/yr-4.2%11.3% conv. - **calcium potassium magnesium**7K/yr+26.6%4.0% conv. - **magnesium potassium calcium supplement**5K/yr+74.1%7.9% conv. - **certified organic calcium magnesium potassium**3K/yr+78.2%0.1% conv. - **country life vitamins**6K/yr-2.8%1.8% conv. - **magnesium calcium potassium**4K/yr-20.3%8.7% conv. - **calcium magnesium potassium supplement**4K/yr-34.1%12.6% conv. - **potassium magnesium calcium supplement**5K/yr-22.9%8.2% conv. - **magnesium potassium calcium**3K/yr-11.3%7.5% conv. [**All search terms **](https://flapen.com/research/us/health-household/calcium-magnesium-potassium-supplement/search-terms)
## **Top calcium magnesium potassium 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.
0%10%$12K20%$25K30%$37K40%$50K101001K10K100K 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**Country Life Target Mins - Calcium Magnesium Potassium Bone & Heart Health Supplement 1000mg Calcium 500mg Magnesium Supports Calcium Utilization 180 Tablets Certified Gluten Free & Vegan**Country Life**$22.95**4.6★9,646 rev](https://www.amazon.com/dp/B00117ZTOS) [2**Best Naturals Calcium Magnesium Potassium - 120 Tablets - Non-GMO & Gluten Free**Best Naturals**$14.21**4.6★533 rev](https://www.amazon.com/dp/B0BLXQXSK3) [3**Country Life Calcium Magnesium Potassium 90 CT**Country Life**$17.31**4.6★9,646 rev](https://www.amazon.com/dp/B000WSGBLW) [4**MD. Life Potassium Magnesium Zinc Calcium Supplement - 120 Capsules - Potassium Magnesium Zinc Supplement Supports Bone Health & Muscle Health Promotes Calcium Absorption and Immune Function**MD.LIFE**$17.92**4.6★77 rev](https://www.amazon.com/dp/B0DXRCZB1L) [5**Bluebonnet Calcium Magnesium Potassium Supplement for Women & Men - Supports Healthy Bones - Calcium 1000mg Mineral Supplement Chelate Form - Non-GMO Vegan Gluten-Free 90 Caplets**BlueBonnet**$14.25**4.4★1,077 rev](https://www.amazon.com/dp/B001RMEOW0)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Oxify Calcium Magnesium Potassium | 120 Tablets | Gluten-Free Non-GMO | Supplement Made in USA**Oxify**$15.17**25 rev6mo ago](https://www.amazon.com/dp/B0GJ6TRT2B) [**Potassium Magnesium Calcium Zinc Liquid Complex Chelated Minerals with Vitamin D3 B6 B12 & CoQ10 for Daily Mineral Heart Muscle Sleep & Antioxidant Support 2 Fl Oz (60 mL)**MEGNETA**$21.30**69 rev1y ago](https://www.amazon.com/dp/B0F23K23WS) [**MD. Life Potassium Magnesium Zinc Calcium Supplement - 120 Capsules - Potassium Magnesium Zinc Supplement Supports Bone Health & Muscle Health Promotes Calcium Absorption and Immune Function**MD.LIFE**$17.92**77 rev1y ago](https://www.amazon.com/dp/B0DXRCZB1L) [**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) [**Best Naturals Calcium Magnesium Potassium - 120 Tablets - Non-GMO & Gluten Free**Best Naturals**$14.21**533 rev3y ago](https://www.amazon.com/dp/B0BLXQXSK3)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Oxify Calcium Magnesium Potassium | 120 Tablets | Gluten-Free Non-GMO | Supplement Made in USA**Oxify**$15.17**4.8★**▲ 302%**](https://www.amazon.com/dp/B0GJ6TRT2B) [**MD. Life Potassium Magnesium Zinc Calcium Supplement - 120 Capsules - Potassium Magnesium Zinc Supplement Supports Bone Health & Muscle Health Promotes Calcium Absorption and Immune Function**MD.LIFE**$17.92**4.6★**▲ 175%**](https://www.amazon.com/dp/B0DXRCZB1L) [**Country Life Calcium Magnesium Potassium 90 CT**Country Life**$17.31**4.6★**▲ 17%**](https://www.amazon.com/dp/B000WSGBLW) [**Country Life Coenzyme B-Complex with Methylfolate and B12 240 Capsules**Country Life**$42.42**4.7★**▲ 12%**](https://www.amazon.com/dp/B001LXRWWE) [**Potassium Magnesium Calcium Zinc Liquid Complex Chelated Minerals with Vitamin D3 B6 B12 & CoQ10 for Daily Mineral Heart Muscle Sleep & Antioxidant Support 2 Fl Oz (60 mL)**MEGNETA**$21.30**4.1★**— 4%**](https://www.amazon.com/dp/B0F23K23WS)
**~~View all trending →~~**
## **What buyers say about calcium magnesium potassium supplement**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Vitamin**13%
*“Great daily vitamin”*
**Quality-Overall**10%
*“It's a nice quality supplement at a reasonable value”*
**Value For Money**10%
*“Good deal”*
**Calcium**5%
*“Calcium+ Prompt delivery”*
**Advertised Vs Actual Product**5%
*“As described”*
**Muscle Pain Relief**5%
*“relaxes muscles after a work out”*
**Ease Of Chewing/Swallowing**4%
*“Easy to take capsules”*
**Minerals**3%
*“I like that it combines three key minerals in one”*
**Joint Pain**3%
*“Help with legs pain”*
**Ease Of Use**3%
*“easy to use”*
### **What buyers complain about **
**Size-Overall**19%
*“The capsules are very large”*
**Dosage**9%
*“Not a High-Dose Solution”*
**Taste-Overall**6%
*“Taste awful”*
**Magnesium**4%
*“The hard pill form of magnesium is worthless”*
**Ease Of Chewing/Swallowing**4%
*“Just that it is too big to swallow”*
**Value For Money**3%
*“It's REALLY expensive”*
**Calcium**3%
*“I didnt want to change the brand, or grams, as it would have affected her calcium blood levels”*
**Vitamin**3%
*“Not loaded with useless b vitamins”*
**Hard Feel**3%
*“But this last batch is hard like it has bones in it or something”*
**Functionality-Overall**3%
*“Can't tell if it works or not”*
### **Top return reasons **
**Value For Money**33%
**Material Quality**17%
**Calcium**17%
**Vitamin**17%
**Ingredients-Overall**17%
## **Common questions**
- **Is calcium magnesium potassium supplement profitable to sell on Amazon United States?**
- The niche generates $124K/yr across 12 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +3.7%. Flapen's verdict: Skip it (43/100).
- **How competitive is the calcium magnesium potassium supplement niche?**
- 8 brands and 502 sellers compete. The top 5 products take 83% of clicks and top 5 brands hold 93% of demand.
- **What do buyers complain about in calcium magnesium potassium supplement?**
- Top complaints mined from reviews: Size-Overall, Dosage, Taste-Overall. The return rate is 0.0%.
- **When does demand for calcium magnesium potassium supplement peak?**
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- **What does it cost to enter the calcium magnesium potassium supplement niche?**
- Listings span $5.32–$42.42; the average listing price is $21.20 (sweet spot $15–$100). The average incumbent carries 4,324 reviews — the moat a new listing must climb.
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