Magnesium Potassium Aspartate
Worth a lookShows low returns (0.0%), but a small market ($35K/yr) keeps it on the watch list.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Conversion
Incredible12.0%search→purchase rate — share of searches ending in a sale
Avg price
Great$20.19avg listing price — sweet spot $15–$100
Price range
Great$6.64–$45.88cheapest 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
Okay78%top-5 brand share — brands hold most of the demand
Review moat
Okay2,249.94avg incumbent reviews — the moat a new listing must climb
Competition
Okay65%top-5 click share — leaders hold, buyers still browse
Quality gap
Bad4.6★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
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.No pronounced peak months · busiest ÷ quietest = 1.4×
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.
All 16 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Country Life Target-Mins Magnesium Potassium Aspartate 600mg/198mg 90 Tablets Certified Gluten Free Certified Vegan
Country Life$15.454.7★2,615 rev
Country Life Target-Mins Magnesium 600 mg and Potassium 198 mg 180 Tablets
Country Life$23.124.7★2,615 rev
Horbach Magnesium Potassium Aspartate Complex | 180 Capsules
Horbäach$6.644.7★316 rev
NOW Foods Supplements Magnesium & Potassium Aspartate with Taurine Heart Health* 120 Veg Capsules
NOW Foods$12.364.7★3,923 rev
SOLARAY Magnesium Potassium with Bromelain 120 VegCaps
SOLARAY$16.454.6★1,515 rev
Newest
by launch date
Potassium Magnesium Supplement High Strength Heart Health & Muscle Support
Nobi Nutrition$17.191,421 rev
Douglas Laboratories Magnesium/Potassium Aspartate | 250 Vegetarian Capsules
Douglas Laboratories$45.8831 rev
Horbach Magnesium Potassium Aspartate Complex | 180 Capsules
Horbäach$6.64316 rev
Nutricost Potassium (99mg) Magnesium (210 mg) Citrates 240 Capsules
Nutricost$13.853,623 rev
GNC Potassium and Magnesium Aspartate 250mg Supplement Helps Regulate Water Balance 240 Servings
GNC$34.42932 rev
Trending
90-day click momentum
GNC Potassium and Magnesium Aspartate 250mg Supplement Helps Regulate Water Balance 120 Servings
GNC$19.454.7★
SOLARAY Magnesium Potassium with Bromelain 120 VegCaps
SOLARAY$16.454.6★
MD. Life Potassium Magnesium Supplement High Absorption 90 Capsules
MD.LIFE$19.654.6★
Pure Encapsulations Potassium Magnesium (Aspartate) | Supplement to Support Heart Muscular Bone and Nerve Health* | 90 Capsules
Pure Encapsulations$20.144.6★
Nutricost Potassium (99mg) Magnesium (210 mg) Citrates 240 Capsules
Nutricost$13.854.6★
What reviews say buyers love and hate about magnesium potassium aspartate
What buyers praise and complain about, mined from review topics.What buyers love
“The capsules are of excellent quality”
“Excellent supplement for muscles and rest”
“Good deal”
“Sleep better”
“The Life Extension Potassium with Extend-Release Magnesium - really work for me”
“Effective”
“Works as advertised”
“Supplement that works”
“Best solution for leg cramps”
“Good electrolyte supplement”
What buyers complain about
“My Magnesium was low”
“the odor seems abnormal”
“This batch of vitamin is smelt so bad never been happened before”
“I noticed that my blood pressure went down to normal”
“These capsules are large”
“Dosage is 250 mg per 2 pills, so not a good value compared to others”
“Nothing noticeable”
“Not the finest supplement”
“No sirve It doesn't work”
“Irritability, sleepless, & diarrhea”
Top return reasons
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.