---
title: "Magnesium Potassium Aspartate — Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/health-household/magnesium-potassium-aspartate"
last_updated: "2026-08-12T16:27:40.576Z"
locale: en
meta:
description: "Amazon product research for magnesium potassium aspartate: demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for magnesium potassium aspartate: demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Magnesium Potassium Aspartate — Amazon US Product Research"
---
# **Magnesium Potassium Aspartate**
**Worth a look**
Shows low returns (0.0%), but a small market ($35K/yr) keeps it on the watch list.
Market size 9Growth 47Conversion 95Competition 34Returns 100Price range 78Avg price 88Brand share 46Review moat 43Quality gap 23
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****12.0%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Great****$20.19**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$6.64–$45.88**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Okay****+17.4%**
90-day search growth — must beat 0% to launch
**Brand share**
**Okay****78%**
top-5 brand share — brands hold most of the demand
**Review moat**
**Okay****2,249.94**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Okay****65%**
top-5 click share — leaders hold, buyers still browse
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Market size**
**Bad****$35K**
$35K/yr · 15K searches
## **Is magnesium potassium aspartate profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, magnesium potassium aspartate is a $35K/yr Amazon United States market (15K searches/yr). The top 5 brands hold 78% of demand. Verdict: Worth a look — 50/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **magnesium potassium aspartate market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **3K–3K**
- avg 100–250/product
- **Revenue / yr**
- **$50K–$61K**
- units × avg price
- **Conversion rate**
- **12.0%**
- **Avg BSR**
- **#607**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **63%**
- **Out of stock**
- **0.5%**
- **Avg brand age**
- **86 months**
- **Avg seller age**
- **162 days**
## **Competition: brands, sellers & click share**
The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**12 **▲rising
**Sellers**
**400**
**Top-5 brand share**
**78%**
Top 20: 100%
**Top-5 click share**
**65%**
Top 20: 100%
**Open market**
**13%**
- Country Life35% - SOLARAY12% - Horbäach11% - GNC10% - NOW Foods10% - Pure Encapsulations9% - Open — no brand owns it (6 brands, 13%)
## **magnesium potassium aspartate demand & seasonality**
Weekly Amazon search volume, last 100 weeks — +17.4% search growth over the last 90 days.
700500Spike '24Holiday '24Spike '25Holiday '25Spike '26Prime Day '26 seasonDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.4×
[**Open Trend **](https://flapen.com/research/us/health-household/magnesium-potassium-aspartate/trend)
## **Top magnesium potassium aspartate 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.
0%10%$4K20%$7K30%$11K40%$14K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 16 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Country Life Target-Mins Magnesium Potassium Aspartate 600mg/198mg 90 Tablets Certified Gluten Free Certified Vegan**Country Life**$15.45**4.7★2,615 rev](https://www.amazon.com/dp/B00020IK0U) [2**Country Life Target-Mins Magnesium 600 mg and Potassium 198 mg 180 Tablets**Country Life**$23.12**4.7★2,615 rev](https://www.amazon.com/dp/B000168HV2) [3**Horbach Magnesium Potassium Aspartate Complex | 180 Capsules**Horbäach**$6.64**4.7★316 rev](https://www.amazon.com/dp/B09HN43KXW) [4**NOW Foods Supplements Magnesium & Potassium Aspartate with Taurine Heart Health* 120 Veg Capsules**NOW Foods**$12.36**4.7★3,923 rev](https://www.amazon.com/dp/B000XHD0W0) [5**SOLARAY Magnesium Potassium with Bromelain 120 VegCaps**SOLARAY**$16.45**4.6★1,515 rev](https://www.amazon.com/dp/B00D7EQ0EG)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Potassium Magnesium Supplement High Strength Heart Health & Muscle Support**Nobi Nutrition**$17.19**1,421 rev1y ago](https://www.amazon.com/dp/B0FC35P8SV) [**Douglas Laboratories Magnesium/Potassium Aspartate | 250 Vegetarian Capsules**Douglas Laboratories**$45.88**31 rev4y ago](https://www.amazon.com/dp/B0B6LR57G2) [**Horbach Magnesium Potassium Aspartate Complex | 180 Capsules**Horbäach**$6.64**316 rev4y ago](https://www.amazon.com/dp/B09HN43KXW) [**Nutricost Potassium (99mg) Magnesium (210 mg) Citrates 240 Capsules**Nutricost**$13.85**3,623 rev5y ago](https://www.amazon.com/dp/B099MFG54P) [**GNC Potassium and Magnesium Aspartate 250mg Supplement Helps Regulate Water Balance 240 Servings**GNC**$34.42**932 rev6y ago](https://www.amazon.com/dp/B084YWDLXS)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**GNC Potassium and Magnesium Aspartate 250mg Supplement Helps Regulate Water Balance 120 Servings**GNC**$19.45**4.7★**▲ 126%**](https://www.amazon.com/dp/B0842T9S89) [**SOLARAY Magnesium Potassium with Bromelain 120 VegCaps**SOLARAY**$16.45**4.6★**▲ 109%**](https://www.amazon.com/dp/B00D7EQ0EG) [**MD. Life Potassium Magnesium Supplement High Absorption 90 Capsules**MD.LIFE**$19.65**4.6★**▲ 74%**](https://www.amazon.com/dp/B06XH2X284) [**Pure Encapsulations Potassium Magnesium (Aspartate) | Supplement to Support Heart Muscular Bone and Nerve Health* | 90 Capsules**Pure Encapsulations**$20.14**4.6★**▲ 60%**](https://www.amazon.com/dp/B0017D4DK2) [**Nutricost Potassium (99mg) Magnesium (210 mg) Citrates 240 Capsules**Nutricost**$13.85**4.6★**▲ 47%**](https://www.amazon.com/dp/B099MFG54P)
**~~View all trending →~~**
## **What reviews say buyers love and hate about magnesium potassium aspartate**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**20%
*“The capsules are of excellent quality”*
**Muscle Pain Relief**12%
*“Excellent supplement for muscles and rest”*
**Value For Money**7%
*“Good deal”*
**Sleep Quality**7%
*“Sleep better”*
**Magnesium**6%
*“The Life Extension Potassium with Extend-Release Magnesium - really work for me”*
**Efficiency**6%
*“Effective”*
**Advertised Vs Actual Product**6%
*“Works as advertised”*
**Vitamin**5%
*“Supplement that works”*
**Joint Pain**4%
*“Best solution for leg cramps”*
**Minerals**2%
*“Good electrolyte supplement”*
### **What buyers complain about **
**Magnesium**15%
*“My Magnesium was low”*
**Smell**8%
*“the odor seems abnormal”*
**Vitamin**6%
*“This batch of vitamin is smelt so bad never been happened before”*
**Blood Pressure**5%
*“I noticed that my blood pressure went down to normal”*
**Size-Overall**5%
*“These capsules are large”*
**Dosage**5%
*“Dosage is 250 mg per 2 pills, so not a good value compared to others”*
**Visibility**4%
*“Nothing noticeable”*
**Nutritional Content**4%
*“Not the finest supplement”*
**Functionality-Overall**4%
*“No sirve It doesn't work”*
**Allergies**4%
*“Irritability, sleepless, & diarrhea”*
### **Top return reasons **
**Magnesium**100%
## **Common magnesium potassium aspartate questions**
- **Is magnesium potassium aspartate profitable to sell on Amazon United States?**
- The niche generates $35K/yr across 16 tracked products. 90-day search growth is +17.4%. Flapen's verdict: Worth a look (50/100).
- **How competitive is the magnesium potassium aspartate niche?**
- 12 brands and 400 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 78% of demand.
- **What do buyers complain about in magnesium potassium aspartate?**
- Top complaints mined from reviews: Magnesium, Smell, Vitamin. The return rate is 0.0%.
- **When does demand for magnesium potassium aspartate peak?**
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- **What does it cost to enter the magnesium potassium aspartate niche?**
- Listings span $6.64–$45.88; the average listing price is $20.19 (sweet spot $15–$100). The average incumbent carries 2,250 reviews — the moat a new listing must climb.
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