---
title: "Calcium — $11.2M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/calcium"
last_updated: "2026-08-06T19:19:47.235Z"
locale: en
meta:
description: "Niche score 60/100 · $11.2M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 60/100 · $11.2M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Calcium — $11.2M/yr Amazon US Niche (2026) - Flapen"
---
# **calcium**
**Worth a look**
Shows a $11.2M/yr market, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 100Growth 21Conversion 95Competition 53Returns 100Price range 69Avg price 78Brand share 39Review moat 20Quality gap 20
**Market size**
**Incredible****$11.2M**
$11.2M/yr · 5.6M searches
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****12.5%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Great****$16.18**
avg listing price — sweet spot $15–$100
**Price range**
**Good****$5.32–$36.27**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Good****53%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Okay****82%**
top-5 brand share — brands hold most of the demand
**Growth**
**Bad****-7.2%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****13,477.04**
avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United States niche tracking, calcium is a $11.2M/yr Amazon United States market (5.6M searches/yr). The top 5 brands hold 82% of demand. Verdict: Worth a look — 60/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **calcium market data**
- **Units sold / yr**
- **600K–800K**
- avg 15,000–20,000/product
- **Revenue / yr**
- **$9.7M–$12.9M**
- units × avg price
- **Conversion rate**
- **12.5%**
- **Avg BSR**
- **#112**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **80%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **80 months**
- **Avg seller age**
- **146 days**
## **Competition & brand share**
The top 5 products take 53% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**15 **▼falling
**Sellers**
**131**
**Top-5 brand share**
**82%**
Top 20: 100%
**Top-5 click share**
**53%**
Top 20: 94%
**Open market**
**15%**
- Nature's Bounty45% - Nature Made17% - Pure Encapsulations10% - Bronson6% - Nutricost3% - THORNE3% - Open — no brand owns it (9 brands, 15%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -7.2% search growth over the last 90 days.
150K100KPrime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.3×
[**Open Trend **](https://flapen.com/research/us/health-household/calcium/trend)
## **Top calcium search terms**
- **calcium**1.7M/yr+19.9%9.1% conv. - **calcium 1200 mg with vitamin d3**929K/yr+10.4%12.2% conv. - **calcium supplements for women**1.6M/yr-50.6%8.2% conv. - **calcium supplement**412K/yr-18.1%8.5% conv. - **calcium 1200 mg**123K/yr+13.2%9.6% conv. - **calcio para los huesos de mujer**124K/yr-3.4%1.9% conv. - **calcio**84K/yr+8.9%2.9% conv. - **calcium supplements**103K/yr-7.9%5.0% conv. - **calcium with vitamin d**57K/yr+14.5%7.7% conv. - **calcium with vitamin d3**85K/yr-9.8%8.1% conv. [**All search terms **](https://flapen.com/research/us/health-household/calcium/search-terms)
## **Top calcium 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%10%$1.1M20%$2.2M30%$3.4M40%$4.5M1001K10K100K 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**Natures Bounty Calcium 1200 mg with 1000 IU Vitamin D3 - Bone Health Softgels Calcium and Vitamin D Supplement Gluten Free 2 Softgels per Day 120 ct (Pack of 1)**Nature's Bounty**$7.79**4.6★43,244 rev](https://www.amazon.com/dp/B0016KITZ6) [2**Nature Made Calcium 600 mg with Vitamin D3 Dietary Supplement for Bone Support 220 Tablets**Nature Made**$13.71**4.7★27,324 rev](https://www.amazon.com/dp/B002FH5I0I) [3**Natures Bounty Calcium 1200 mg with Vitamin D3 - Bone Health Softgels Calcium and Vitamin D Supplement 120 Ct (2-Pack)**Nature's Bounty**$15.36**4.6★43,244 rev](https://www.amazon.com/dp/B009IMJOO4) [4**Bronson Calcium 1200mg Per Serving Plus Vitamin D3 1000 IU High Potency Formula Non-GMO 120 Tablets**Bronson**$10.01**4.7★2,183 rev](https://www.amazon.com/dp/B0DGMNWWXM) [5**Natures Bounty Calcium Carbonate & Vitamin D Supports Immune Health & Bone Health 600mg Calcium & 800IU Vitamin D3 250 Tablets**Nature's Bounty**$10.74**4.7★8,402 rev](https://www.amazon.com/dp/B0012D38G2)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Bronson Calcium 1200mg Per Serving Plus Vitamin D3 1000 IU High Potency Formula Non-GMO 120 Tablets**Bronson**$10.01**2,183 rev1y ago](https://www.amazon.com/dp/B0DGMNWWXM) [**Calcium 1 200mg with Vitamin D3 & K2 300 Tablets | Calcium Supplements for Women & Men | Mineral Complex Support Bone Teeth Colon & Cardiovascular Health | Non-GMO Gluten-Free**Micro Ingredients**$21.99**744 rev1y ago](https://www.amazon.com/dp/B0DDWNT45S) [**Carlyle Calcium 1200 mg with Vitamin D3 | 120 Softgels**Carlyle**$6.40**528 rev3y ago](https://www.amazon.com/dp/B0CCB1VT33) [**Calcium 1200 mg with Vitamin D3 - Per Serving - Bone Health Supplement - Vitamin D & Calcium Supplements for Women & Men - Bone Strength Support - Natural Calcium Pills - Bottled in USA - 240 Tablets**Nature's Nutrition**$16.19**1,580 rev3y ago](https://www.amazon.com/dp/B0C3K1QN5Q) [**Pure Encapsulations Calcium (Citrate) - Supplement for Bone Teeth Colon and Cardiovascular Health Support* - with Premium Calcium Citrate - 60 Capsules**Pure Encapsulations**$13.27**5,961 rev3y ago](https://www.amazon.com/dp/B0BKNL1XDS)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Carlyle Calcium 1200 mg with Vitamin D3 | 120 Softgels**Carlyle**$6.40**4.5★**▲ 73%**](https://www.amazon.com/dp/B0CCB1VT33) [**Natures Bounty Calcium 1200 mg with Vitamin D3 Bone Health & Immune Support Vitamin D3 1000 IU 220 Softgels**Nature's Bounty**$15.40**4.6★**▲ 71%**](https://www.amazon.com/dp/B002Q16VVS) [**Natures Bounty Calcium Plus 400 IU Vitamin D3 Immune Support & Bone Health 300 Tablets**Nature's Bounty**$15.92**4.7★**▲ 34%**](https://www.amazon.com/dp/B002FHL3DE) [**Pure Encapsulations Calcium with Vitamin D3 | Dietary Supplement to Support Bone Colon and Cardiovascular Health* | 180 Capsules**Pure Encapsulations**$32.67**4.8★**▲ 29%**](https://www.amazon.com/dp/B0017ODQFE) [**Calcium 1200 mg with Vitamin D3 - Per Serving - Bone Health Supplement - Vitamin D & Calcium Supplements for Women & Men - Bone Strength Support - Natural Calcium Pills - Bottled in USA - 240 Tablets**Nature's Nutrition**$16.19**4.7★**▲ 27%**](https://www.amazon.com/dp/B0C3K1QN5Q)
**~~View all trending →~~**
## **What buyers say about calcium**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Calcium**17%
*“Excellent calcium supplement”*
**Quality-Overall**15%
*“Great product with excellent reviews”*
**Value For Money**11%
*“Good value for money”*
**Vitamin**10%
*“Quality brand vitamins”*
**Ease Of Chewing/Swallowing**7%
*“EASY to swallow”*
**Advertised Vs Actual Product**6%
*“As advertised”*
**Taste-Overall**4%
*“Taste great, easy to ingest”*
**Ease Of Use**3%
*“Ease of use”*
**Efficiency**2%
*“seem to be doing well”*
**Dosage**2%
*“good dosage”*
### **What buyers complain about **
**Size-Overall**21%
*“Very large pills”*
**Ease Of Chewing/Swallowing**13%
*“hard to chew”*
**Calcium**7%
*“Apparently low calcium is a thing”*
**Dosage**4%
*“misleading doseage”*
**Taste-Overall**4%
*“Taste is off-putting”*
**Vitamin**3%
*“Wrong vitamins, as I can't swallow that type”*
**Value For Money**3%
*“It's REALLY expensive”*
**Sweetness**3%
*“Way too sugary”*
**Acid Regulator/Stomach Ache Relief**2%
*“stomach pains”*
**Smell**2%
*“Horribly strong odor”*
### **Top return reasons **
**Calcium**32%
**Size-Overall**15%
**Ease Of Chewing/Swallowing**9%
**Vitamin**6%
**Value For Money**5%
**Dosage**4%
**Ingredients-Overall**3%
**Magnesium**3%
**Advertised Vs Actual Product**3%
**Regulates Digestion**2%
## **Common questions**
- **Is calcium profitable to sell on Amazon United States?**
- The niche generates $11.2M/yr across 25 tracked products. 90-day search growth is -7.2%. Flapen's verdict: Worth a look (60/100).
- **How competitive is the calcium niche?**
- 15 brands and 131 sellers compete. The top 5 products take 53% of clicks and top 5 brands hold 82% of demand.
- **What do buyers complain about in calcium?**
- Top complaints mined from reviews: Size-Overall, Ease Of Chewing/Swallowing, Calcium. The return rate is 0.0%.
- **When does demand for calcium peak?**
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- **What does it cost to enter the calcium niche?**
- Listings span $5.32–$36.27; the average listing price is $16.18 (sweet spot $15–$100). The average incumbent carries 13,477 reviews — the moat a new listing must climb.
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