---
title: "Calcium Citrate — $4.9M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/calcium-citrate"
last_updated: "2026-08-06T17:15:35.324Z"
locale: en
meta:
description: "Niche score 64/100 · $4.9M/yr market · 2.2M searches/yr · $18.86 avg price. Clears our launch bar. Data updated Jul 2026."
"og:description": "Niche score 64/100 · $4.9M/yr market · 2.2M searches/yr · $18.86 avg price. Clears our launch bar. Data updated Jul 2026."
"og:title": "Calcium Citrate — $4.9M/yr Amazon US Niche (2026) - Flapen"
---
# **calcium citrate**
**Launch it**
A $4.9M/yr market growing +0.1% this quarter with returns at 0.0% — clears our launch bar.
Market size 97Growth 25Conversion 95Competition 62Returns 100Price range 77Avg price 85Brand share 49Review moat 24Quality gap 25
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Market size**
**Incredible****$4.9M**
$4.9M/yr · 2.2M searches
**Conversion**
**Great****11.9%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Great****$18.86**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$7.37–$41.82**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Good****48%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Okay****76%**
top-5 brand share — brands hold most of the demand
**Growth**
**Okay****+0.1%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****6,032.87**
avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United States niche tracking, calcium citrate is a $4.9M/yr Amazon United States market (2.2M searches/yr). The top 5 brands hold 76% of demand. Verdict: Launch it — 64/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **calcium citrate market data**
- **Units sold / yr**
- **250K–300K**
- avg 8,000–10,000/product
- **Revenue / yr**
- **$4.7M–$5.7M**
- units × avg price
- **Conversion rate**
- **11.9%**
- **Avg BSR**
- **#300**
- **Page quality**
- **0%**
- **Prime**
- **95%**
- **Sponsored**
- **77%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **80 months**
- **Avg seller age**
- **147 days**
## **Competition & brand share**
The top 5 products take 48% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**23 **▲rising
**Sellers**
**149**
**Top-5 brand share**
**76%**
Top 20: 98%
**Top-5 click share**
**48%**
Top 20: 83%
**Open market**
**22%**
- CITRACAL39% - Pure Encapsulations19% - SOLARAY8% - 21st Century7% - NOW Foods3% - NatureWise3%
## **Demand & seasonality**
Weekly Amazon search volume, last 103 weeks — +0.1% search growth over the last 90 days.
50K30KPrime Day '25Spike '26 seasonDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.7×
[**Open Trend **](https://flapen.com/research/us/health-household/calcium-citrate/trend)
## **Top calcium citrate search terms**
- **calcium citrate**946K/yr+8.5%6.9% conv. - **calcium citrate with vitamin d3**305K/yr-4.3%6.8% conv. - **citracal**144K/yr-0.4%15.6% conv. - **citracal slow release 1200 plus d3**179K/yr-46.3%27.9% conv. - **citracal maximum plus d3**96K/yr+19.0%22.4% conv. - **calcium citrate 500mg**74K/yr+16.8%5.5% conv. - **calcium citrate 1200 mg**77K/yr+1.2%4.9% conv. - **calcium citrate 600mg**68K/yr-0.5%6.1% conv. - **calcium citrate supplements**34K/yr-22.5%6.4% conv. - **citracal maximum plus**28K/yr+70.4%15.1% conv. [**All search terms **](https://flapen.com/research/us/health-household/calcium-citrate/search-terms)
## **Top calcium citrate 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%$198K8%$395K12%$593K16%$790K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Citracal Maximum Plus Calcium Supplement - Calcium Citrate with Vitamin D3 Zinc & Essential Minerals for Bone Health Support Ages 12+ 180 Count (Packaging May Vary)**CITRACAL**$11.74**4.7★10,625 rev](https://www.amazon.com/dp/B001LRPUMY) [2**Pure Encapsulations Calcium (Citrate) - Supplement for Bone Teeth Colon and Cardiovascular Health Support* - with Premium Calcium Citrate - 180 Capsules**Pure Encapsulations**$31.39**4.7★5,961 rev](https://www.amazon.com/dp/B00172XUWU) [3**Citracal Slow Release- Calcium 1200 mg with Vitamin D3 Magnesium Calcium Supplement Bone Health Support Take Once Daily Caplet 185 Count**CITRACAL**$22.96**4.7★11,455 rev](https://www.amazon.com/dp/B07RF1QQ4H) [4**Citracal Petites- Calcium Citrate with Vitamin D3 Bone Health Support Calcium Supplement for Ages 12+ 375 Count (Packaging May Vary)**CITRACAL**$14.87**4.7★8,355 rev](https://www.amazon.com/dp/B07RCJY6WD) [5**Pure Encapsulations Calcium (Citrate) - Supplement for Bone Teeth Colon and Cardiovascular Health Support* - with Premium Calcium Citrate - 60 Capsules**Pure Encapsulations**$13.27**4.7★5,961 rev](https://www.amazon.com/dp/B0BKNL1XDS)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Vitamatic Calcium Citrate with Vitamin D3 240 Tablets High Absorption Calcium Citrate with D3 Non-GMO Gluten-Free**Vitamatic**$14.59**128 rev10mo ago](https://www.amazon.com/dp/B0FT42RDRQ) [**Calcium Supplements for Women Softgels High Absorption Calcium Citrate Supplement Essential Mineral Calcium 1200 mg with Vitamin D3 Magnesium for Bone Health Support Non-GMO 2 Month Supply**HZZYPLANT**$9.86**280 rev11mo ago](https://www.amazon.com/dp/B0FLH9TPYR) [**Calcium Citrate 1200mg Supplement with Vitamin D3 for Women and Men - Calcium Magnesium Zinc D3 Supplement for Bone Teeth Immune Support Vegan-Friendly - 120 Tablets**WOGORGT**$18.21**303 rev1y ago](https://www.amazon.com/dp/B0F2F8MSH6) [![NatureWise Calcium Citrate 500mg Capsules - Supplement for Bone Health - Easy to Digest & Absorb - Vegan Non-GMO Gluten-Free - 90 Count[30-Day Supply]](https://m.media-amazon.com/images/I/41Vw+Hdvp6L.jpg)**NatureWise Calcium Citrate 500mg Capsules - Supplement for Bone Health - Easy to Digest & Absorb - Vegan Non-GMO Gluten-Free - 90 Count\[30-Day Supply\]**NatureWise**$13.79**403 rev1y ago](https://www.amazon.com/dp/B0DZFNVP7T) [**Calcium Citrate 600mg Tablets - Pure Calcium Citrate Supplement 300 Count - Supports Bone Health and Wellness Citrato de Calcio High Absorption Calcium 600 mg**Generic**$24.96**132 rev1y ago](https://www.amazon.com/dp/B0DMWJTSZP)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Calcium Supplements for Women Softgels High Absorption Calcium Citrate Supplement Essential Mineral Calcium 1200 mg with Vitamin D3 Magnesium for Bone Health Support Non-GMO 2 Month Supply**HZZYPLANT**$9.86**4.2★**▲ 89%**](https://www.amazon.com/dp/B0FLH9TPYR) [**Solaray Calcium Citrate 1000mg - Chelated Calcium Supplement - Supports Bone Strength and Healthy Teeth - Easy to Digest - Vegan - 60 Servings 240 VegCaps**SOLARAY**$19.29**4.4★**▲ 60%**](https://www.amazon.com/dp/B00012NJIC) [**Bariatric Advantage Calcium Citrate Chewy Bites 500 mg - Highly Absorbable & Digestible - Vitamin D3 - Easily Chewable Calcium Supplement - Assorted Fruit - 90 Count**Bariatric Advantage**$41.82**4.8★**▲ 30%**](https://www.amazon.com/dp/B088KV4MTM) [**Vitamatic Calcium Citrate with Vitamin D3 240 Tablets High Absorption Calcium Citrate with D3 Non-GMO Gluten-Free**Vitamatic**$14.59**3.9★**▲ 28%**](https://www.amazon.com/dp/B0FT42RDRQ) [**21st Century Calcium Citrate Plus D3 Maximum - 630 mg Calcium Bone Health Support Easily Absorbable Gluten Free Non-GMO Compare to Citracal +D3 400 Tablets**21st Century**$21.99**4.7★**▲ 18%**](https://www.amazon.com/dp/B00F4BV5DQ)
**~~View all trending →~~**
## **What buyers say about calcium citrate**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Calcium**19%
*“Excellent calcium supplement”*
**Quality-Overall**12%
*“Very good product as described”*
**Value For Money**11%
*“Great deal”*
**Ease Of Chewing/Swallowing**11%
*“Soft & chewy”*
**Vitamin**8%
*“Best Vitamins”*
**Advertised Vs Actual Product**6%
*“As advertised”*
**Ease Of Use**3%
*“Ease of use”*
**Taste-Overall**2%
*“great plain taste”*
**Efficiency**2%
*“Effective”*
**Dosage**1%
*“Good price value for dosage”*
### **What buyers complain about **
**Size-Overall**23%
*“They are small”*
**Ease Of Chewing/Swallowing**14%
*“painful to swallow”*
**Calcium**9%
*“This 1000mg Calcium CITRATE is only 85% Citrate”*
**Dosage**7%
*“misleading doseage”*
**Smell**4%
*“Weird smell”*
**Taste-Overall**3%
*“Tastes like chemicals”*
**Value For Money**2%
*“Priced a little too high”*
**Vitamin**2%
*“Wrong vitamins, as I can't swallow that type”*
**Acid Regulator/Stomach Ache Relief**2%
*“upset my stomach”*
**Advertised Vs Actual Product**1%
*“Misleading product”*
### **Top return reasons **
**Calcium**34%
**Size-Overall**20%
**Ease Of Chewing/Swallowing**9%
**Value For Money**6%
**Dosage**5%
**Vitamin**5%
**Ingredients-Overall**3%
**Advertised Vs Actual Product**3%
**Acid Regulator/Stomach Ache Relief**2%
**Taste-Overall**2%
## **Common questions**
- **Is calcium citrate profitable to sell on Amazon United States?**
- The niche generates $4.9M/yr across 39 tracked products. 4 of 4 products launched in the last 360 days are still selling. 90-day search growth is +0.1%. Flapen's verdict: Launch it (64/100).
- **How competitive is the calcium citrate niche?**
- 23 brands and 149 sellers compete. The top 5 products take 48% of clicks and top 5 brands hold 76% of demand.
- **What do buyers complain about in calcium citrate?**
- Top complaints mined from reviews: Size-Overall, Ease Of Chewing/Swallowing, Calcium. The return rate is 0.0%.
- **When does demand for calcium citrate peak?**
- Demand is steady year-round — the busiest month runs 1.7× the quietest.
- **What does it cost to enter the calcium citrate niche?**
- Listings span $7.37–$41.82; the average listing price is $18.86 (sweet spot $15–$100). The average incumbent carries 6,033 reviews — the moat a new listing must climb.
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