calcium gluconate
Worth a lookShows low returns (0.0%), but a small market ($59K/yr) keeps it on the watch list.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Avg price
Incredible$37.83avg listing price — sweet spot $15–$100
Review moat
Great450.96avg incumbent reviews — the moat a new listing must climb
Conversion
Good6.7%search→purchase rate — share of searches ending in a sale
Brand share
Good64%top-5 brand share — brands hold most of the demand
Competition
Good51%top-5 click share — leaders hold, buyers still browse
Price range
Okay$9.97–$183.78cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Okay+2.7%90-day search growth — must beat 0% to launch
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Market size
Bad$59K$59K/yr · 24K searches
According to Flapen's Amazon United States niche tracking, calcium gluconate is a $59K/yr Amazon United States market (24K searches/yr). The top 5 brands hold 64% of demand. Verdict: Worth a look — 52/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
calcium gluconate market data
- Units sold / yr
- 2K–2K
- avg 0–100/product
- Revenue / yr
- $57K–$76K
- units × avg price
- Conversion rate
- 6.7%
- Avg BSR
- #1,078
- Page quality
- 0%
- Prime
- 85%
- Sponsored
- 67%
- Out of stock
- 7.1%
- Avg brand age
- 119 months
- Avg seller age
- 174 days
Competition & brand share
The top 5 products take 51% of clicks — established leaders, but buyers still shop beyond them.Brands
20 rising
Sellers
60
Top-5 brand share
64%
Top 20: 100%
Top-5 click share
51%
Top 20: 94%
Open market
29%
- FREEDA20%
- BulkSupplements16%
- Durvet11%
- Nutricost9%
- Daily Manufacturing8%
- SMNutrition7%
Top calcium gluconate 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Freeda Calcium Gluconate Kosher Vegan Calcium Supplement Easy to Digest & Absorb Supports Bone Strength Pure Calcium Without Vitamin D (100 Capsules)
FREEDA$23.314.3★110 rev
Durvet Calcium Gluconate 23 Percent Solution
Durvet$13.764.7★203 rev
BulkSupplements.com Calcium Gluconate Powder - Calcium Supplement Easily Absorbed - Unflavored & Gluten Free 600mg per Serving 500g (1.1 lbs) (Pack of 1)
BulkSupplements$24.824.6★260 rev
Nutricost Calcium D-Glucarate 500mg 120 Capsules Gluten Free GMO-Free
Nutricost$18.764.7★565 rev
Calcium D-Glucarate 500mg CDG for Liver Detox & Hormone Balance Support
SMNutrition$29.114.6★2,612 rev
Newest
by launch date
mGanna Calcium Gluconate Powder Fine White Powder 0.5lbs /227 GMS High Purity Multi-Purpose Ingredient
mGanna$12.815 rev
Bronson Calcium 1200mg Per Serving Plus Vitamin D3 1000 IU High Potency Formula Non-GMO 120 Tablets
Bronson$10.012,213 rev
Calcium Gluconate Gel 2.5% - Hydrofluoric Acid Neutralizing Gel 30g Tube
Attard's Minerals$46.799 rev
Earth Harmony Calcium D-Glucarate 1200mg - Advanced Detoxification Support & Double The Strength of Calcium D Glucarate 500mg - 120 Capsules (2-Month Supply)
Earth Harmony Naturals$23.95218 rev
Nutricost Calcium D-Glucarate 500mg 120 Capsules Gluten Free GMO-Free
Nutricost$18.76565 rev
Trending
90-day click momentummGanna Calcium Gluconate Powder Fine White Powder 0.5lbs /227 GMS High Purity Multi-Purpose Ingredient
mGanna$12.815.0★
BulkSupplements.com Calcium Gluconate Powder - Calcium Gluconate Supplement - Gluten Free 600mg per Serving 1kg (2.2 lbs) (Pack of 5)
BulkSupplements$183.784.6★
Medique Calcium Gluconate Gel Tube 25g
Medique$112.750.0★
Calcium Gluconate Gel 2.5% - Hydrofluoric Acid Neutralizing Gel 30g Tube
Attard's Minerals$46.794.9★
Daily Manufacturing Calcium Gluconate Powder
Daily Manufacturing$22.604.2★
What buyers say about calcium gluconate
What buyers praise and complain about, mined from review topics.What buyers love
“I like this Calcium”
“Premium purity and quality packaging for this bulk powder”
“Easy to Swallow”
“Supplements are great”
“Good value for money”
“Great easy product”
“healthy hormone balance”
“High quality ingredients”
“It's the recommended dosage of these supplements”
“À taste vitamin”
What buyers complain about
“Calcium too big”
“it did not stand out as much as I expected for the price”
“Pills are quite large”
“Causes stomach pain”
“Small technical analysis. A serving for this one is not 600mg of calcium”
“Tough to swallow”
“caused a serious rash on my skin”
“It may just not work for me”
“It would be a great supplement for some just not me”
“STINKS”
Top return reasons
Common questions
- Is calcium gluconate profitable to sell on Amazon United States?
- The niche generates $59K/yr across 27 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +2.7%. Flapen's verdict: Worth a look (52/100).
- How competitive is the calcium gluconate niche?
- 20 brands and 60 sellers compete. The top 5 products take 51% of clicks and top 5 brands hold 64% of demand.
- What do buyers complain about in calcium gluconate?
- Top complaints mined from reviews: Calcium, Value For Money, Size-Overall. The return rate is 0.0%.
- What does it cost to enter the calcium gluconate niche?
- Listings span $9.97–$183.78; the average listing price is $37.83 (sweet spot $15–$100). The average incumbent carries 451 reviews — the moat a new listing must climb.