calcium magnesium potassium supplement
Skip itA concentrated shelf (top 5 take 83% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Avg price
Great$21.20avg listing price — sweet spot $15–$100
Conversion
Great7.2%search→purchase rate — share of searches ending in a sale
Price range
Good$5.32–$42.42cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Okay4.6★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
Bad4,324.08avg incumbent reviews — the moat a new listing must climb
Brand share
Bad93%top-5 brand share — brand-locked demand
Competition
Bad83%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
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.No pronounced peak months · busiest ÷ quietest = 1.3×
Top calcium magnesium potassium supplement search terms
- country life18K/yr
- calcium magnesium potassium20K/yr
- calcium potassium magnesium7K/yr
- magnesium potassium calcium supplement5K/yr
- certified organic calcium magnesium potassium3K/yr
- country life vitamins6K/yr
- magnesium calcium potassium4K/yr
- calcium magnesium potassium supplement4K/yr
- potassium magnesium calcium supplement5K/yr
- magnesium potassium calcium3K/yr
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.
All 12 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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$22.954.6★9,646 rev
Best Naturals Calcium Magnesium Potassium - 120 Tablets - Non-GMO & Gluten Free
Best Naturals$14.214.6★533 rev
Country Life Calcium Magnesium Potassium 90 CT
Country Life$17.314.6★9,646 rev
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$17.924.6★77 rev
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$14.254.4★1,077 rev
Newest
by launch date
Oxify Calcium Magnesium Potassium | 120 Tablets | Gluten-Free Non-GMO | Supplement Made in USA
Oxify$15.1725 rev
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$21.3069 rev
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$17.9277 rev
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$28.24784 rev
Best Naturals Calcium Magnesium Potassium - 120 Tablets - Non-GMO & Gluten Free
Best Naturals$14.21533 rev
Trending
90-day click momentumOxify Calcium Magnesium Potassium | 120 Tablets | Gluten-Free Non-GMO | Supplement Made in USA
Oxify$15.174.8★
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$17.924.6★
Country Life Calcium Magnesium Potassium 90 CT
Country Life$17.314.6★
Country Life Coenzyme B-Complex with Methylfolate and B12 240 Capsules
Country Life$42.424.7★
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$21.304.1★
What buyers say about calcium magnesium potassium supplement
What buyers praise and complain about, mined from review topics.What buyers love
“Great daily vitamin”
“It's a nice quality supplement at a reasonable value”
“Good deal”
“Calcium+ Prompt delivery”
“As described”
“relaxes muscles after a work out”
“Easy to take capsules”
“I like that it combines three key minerals in one”
“Help with legs pain”
“easy to use”
What buyers complain about
“The capsules are very large”
“Not a High-Dose Solution”
“Taste awful”
“The hard pill form of magnesium is worthless”
“Just that it is too big to swallow”
“It's REALLY expensive”
“I didnt want to change the brand, or grams, as it would have affected her calcium blood levels”
“Not loaded with useless b vitamins”
“But this last batch is hard like it has bones in it or something”
“Can't tell if it works or not”
Top return reasons
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.