---
title: "Calcium Gluconate — $59K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/calcium-gluconate"
last_updated: "2026-08-06T19:08:23.833Z"
locale: en
meta:
description: "Niche score 52/100 · $59K/yr market · 24K searches/yr · $37.83 avg price. A small market ($59K/yr) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 52/100 · $59K/yr market · 24K searches/yr · $37.83 avg price. A small market ($59K/yr) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Calcium Gluconate — $59K/yr Amazon US Niche (2026) - Flapen"
---
# **calcium gluconate**
**Worth a look**
Shows low returns (0.0%), but a small market ($59K/yr) keeps it on the watch list.
Market size 15Growth 28Conversion 72Competition 57Returns 100Price range 49Avg price 95Brand share 68Review moat 77Quality gap 23
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$37.83**
avg listing price — sweet spot $15–$100
**Review moat**
**Great****450.96**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Good****6.7%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Good****64%**
top-5 brand share — brands hold most of the demand
**Competition**
**Good****51%**
top-5 click share — leaders hold, buyers still browse
**Price range**
**Okay****$9.97–$183.78**
cheapest 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**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Market size**
**Bad****$59K**
$59K/yr · 24K searches
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")
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 ~~](https://flapen.com/research/methodology)
## **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.
0%4%$2K8%$5K12%$7K16%$10K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Freeda Calcium Gluconate Kosher Vegan Calcium Supplement Easy to Digest & Absorb Supports Bone Strength Pure Calcium Without Vitamin D (100 Capsules)**FREEDA**$23.31**4.3★110 rev](https://www.amazon.com/dp/B003388A1M) [2**Durvet Calcium Gluconate 23 Percent Solution**Durvet**$13.76**4.7★203 rev](https://www.amazon.com/dp/B000HHLREY) [3**BulkSupplements.com Calcium Gluconate Powder - Calcium Supplement Easily Absorbed - Unflavored & Gluten Free 600mg per Serving 500g (1.1 lbs) (Pack of 1)**BulkSupplements**$24.82**4.6★260 rev](https://www.amazon.com/dp/B00EISPYE2) [4**Nutricost Calcium D-Glucarate 500mg 120 Capsules Gluten Free GMO-Free**Nutricost**$18.76**4.7★565 rev](https://www.amazon.com/dp/B09NPFFSVC) [5**Calcium D-Glucarate 500mg CDG for Liver Detox & Hormone Balance Support**SMNutrition**$29.11**4.6★2,612 rev](https://www.amazon.com/dp/B07CNRG74Y)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**mGanna Calcium Gluconate Powder Fine White Powder 0.5lbs /227 GMS High Purity Multi-Purpose Ingredient**mGanna**$12.81**5 rev4mo ago](https://www.amazon.com/dp/B0GTM8WG5R) [**Bronson Calcium 1200mg Per Serving Plus Vitamin D3 1000 IU High Potency Formula Non-GMO 120 Tablets**Bronson**$10.01**2,213 rev1y ago](https://www.amazon.com/dp/B0DGMNWWXM) [**Calcium Gluconate Gel 2.5% - Hydrofluoric Acid Neutralizing Gel 30g Tube**Attard's Minerals**$46.79**9 rev2y ago](https://www.amazon.com/dp/B0CPR822NY) [**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**$23.95**218 rev2y ago](https://www.amazon.com/dp/B0CGYKVXTD) [**Nutricost Calcium D-Glucarate 500mg 120 Capsules Gluten Free GMO-Free**Nutricost**$18.76**565 rev4y ago](https://www.amazon.com/dp/B09NPFFSVC)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**mGanna Calcium Gluconate Powder Fine White Powder 0.5lbs /227 GMS High Purity Multi-Purpose Ingredient**mGanna**$12.81**5.0★**▲ 261%**](https://www.amazon.com/dp/B0GTM8WG5R) [**BulkSupplements.com Calcium Gluconate Powder - Calcium Gluconate Supplement - Gluten Free 600mg per Serving 1kg (2.2 lbs) (Pack of 5)**BulkSupplements**$183.78**4.6★**▲ 248%**](https://www.amazon.com/dp/B00QT5PIC0) [**Medique Calcium Gluconate Gel Tube 25g**Medique**$112.75**0.0★**▲ 154%**](https://www.amazon.com/dp/B0086H73Z4) [**Calcium Gluconate Gel 2.5% - Hydrofluoric Acid Neutralizing Gel 30g Tube**Attard's Minerals**$46.79**4.9★**▲ 76%**](https://www.amazon.com/dp/B0CPR822NY) [**Daily Manufacturing Calcium Gluconate Powder**Daily Manufacturing**$22.60**4.2★**▲ 66%**](https://www.amazon.com/dp/B07CMLZ7GY)
**~~View all trending →~~**
## **What buyers say about calcium gluconate**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Calcium**17%
*“I like this Calcium”*
**Quality-Overall**12%
*“Premium purity and quality packaging for this bulk powder”*
**Ease Of Chewing/Swallowing**11%
*“Easy to Swallow”*
**Vitamin**8%
*“Supplements are great”*
**Value For Money**4%
*“Good value for money”*
**Ease Of Use**4%
*“Great easy product”*
**Hormonal Balance**4%
*“healthy hormone balance”*
**Ingredients-Overall**3%
*“High quality ingredients”*
**Dosage**3%
*“It's the recommended dosage of these supplements”*
**Taste-Overall**3%
*“À taste vitamin”*
### **What buyers complain about **
**Calcium**10%
*“Calcium too big”*
**Value For Money**10%
*“it did not stand out as much as I expected for the price”*
**Size-Overall**10%
*“Pills are quite large”*
**Acid Regulator/Stomach Ache Relief**9%
*“Causes stomach pain”*
**Dosage**8%
*“Small technical analysis. A serving for this one is not 600mg of calcium”*
**Ease Of Chewing/Swallowing**6%
*“Tough to swallow”*
**Side Effects**5%
*“caused a serious rash on my skin”*
**Functionality-Overall**3%
*“It may just not work for me”*
**Vitamin**3%
*“It would be a great supplement for some just not me”*
**Smell**3%
*“STINKS”*
### **Top return reasons **
**Calcium**43%
**Regulates Digestion**14%
**Functionality-Overall**14%
**Value For Money**14%
**Size-Overall**14%
## **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.
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