---
title: "Calcium Powder — $114K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/calcium-powder"
last_updated: "2026-08-05T23:59:02.414Z"
locale: en
meta:
description: "Niche score 43/100 · $114K/yr market · 99K searches/yr · $15.25 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 43/100 · $114K/yr market · 99K searches/yr · $15.25 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Calcium Powder — $114K/yr Amazon US Niche (2026) - Flapen"
---
# **calcium powder**
**Skip it**
Brand-locked demand (top 5 brands take 92% of clicks) — this niche doesn't clear our bar today.
Market size 27Growth 27Conversion 77Competition 25Returns 100Price range 64Avg price 76Brand share 20Review moat 39Quality gap 30
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****7.5%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Great****$15.25**
avg listing price — sweet spot $15–$100
**Price range**
**Good****$5.81–$31.39**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Okay****2,587.15**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Market size**
**Okay****$114K**
$114K/yr · 99K searches
**Growth**
**Okay****+1.8%**
90-day search growth — must beat 0% to launch
**Competition**
**Okay****70%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****92%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, calcium powder is a $114K/yr Amazon United States market (99K searches/yr). The top 5 brands hold 92% of demand. Demand peaks in Jan–Feb–Sep–Oct–Nov–Dec. Verdict: Skip it — 43/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **calcium powder market data**
- **Units sold / yr**
- **6K–8K**
- avg 250–500/product
- **Revenue / yr**
- **$92K–$122K**
- units × avg price
- **Conversion rate**
- **7.5%**
- **Avg BSR**
- **#464**
- **Page quality**
- **0%**
- **Prime**
- **95%**
- **Sponsored**
- **60%**
- **Out of stock**
- **17.3%**
- **Avg brand age**
- **89 months**
- **Avg seller age**
- **165 days**
## **Competition & brand share**
The top 5 products capture 70% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**10 **▲rising
**Sellers**
**45**
**Top-5 brand share**
**92%**
Top 20: 100%
**Top-5 click share**
**70%**
Top 20: 100%
**Open market**
**6%**
- NOW Foods69% - Nutricost11% - Pure Encapsulations6% - SOLARAY4% - Herbs Botanica2% - PURE ORIGINAL INGREDIENTS2% - Open — no brand owns it (4 brands, 6%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +1.8% search growth over the last 90 days.
6K4KSpike '24Spike '25 seasonSepDecMarJunAugNovMarMay
Peak months: Jan, Feb, Sep, Oct, Nov, Dec · busiest ÷ quietest = 3.6×
[**Open Trend **](https://flapen.com/research/us/health-household/calcium-powder/trend)
## **Top calcium powder search terms**
- **calcium powder**40K/yr+1.7%4.1% conv. - **now calcium citrate**25K/yr+1.1%9.2% conv. - **now calcium citrate capsules**4K/yr+11.8%6.4% conv. - **vegan calcium powder**4K/yr+84.9%0.1% conv. - **calcium powder for women**6K/yr-24.3%3.9% conv. - **calcium citrate now**5K/yr-4.7%9.6% conv. - **now foods calcium citrate**4K/yr+11.8%8.2% conv. - **calcium powder supplement**5K/yr+2.1%5.4% conv. - **calcio en polvo**3K/yr-26.0%1.7% conv. - **powdered calcium**2K/yr+5.9%5.9% conv. [**All search terms **](https://flapen.com/research/us/health-household/calcium-powder/search-terms)
## **Top calcium powder 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%$11K20%$23K30%$34K40%$45K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 20 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**NOW Foods Supplements Calcium Citrate Powder Highly Bioavailable Calcium Supports Bone Health* 8-Ounce**NOW Foods**$10.65**4.6★1,573 rev](https://www.amazon.com/dp/B0006ZF9NC) [2**NOW Foods Supplements Calcium Citrate with Vitamin D Magnesium Zinc Copper and Manganese 250 Tablets**NOW Foods**$24.47**4.6★1,217 rev](https://www.amazon.com/dp/B0013OQJ66) [3**NOW Foods Supplements Calcium Carbonate Powder High Percentage of Calcium Supports Bone Health* 12-Ounce**NOW Foods**$9.49**4.7★2,672 rev](https://www.amazon.com/dp/B004421K68) [4**Nutricost Calcium Carbonate Powder 500 Grams**Nutricost**$13.84**4.6★1,072 rev](https://www.amazon.com/dp/B07D5KQRCV) [5**NOW Foods Supplements Calcium & Magnesium 2:1 Ratio High Potency Supports Bone Health* 250 Tablets**NOW Foods**$17.82**4.6★6,212 rev](https://www.amazon.com/dp/B00028LZ9A)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Vitamatic Calcium Carbonate Powder 500 g (17.6 oz) Unflavored Dietary Supplement Powder Non-GMO**Vitamatic**$11.80**30 rev4mo ago](https://www.amazon.com/dp/B0GT28VKQW) [**Herbs Botanica Calcium Carbonate Powder Food Grade Calcium Supplement for Cooking and Baking Antacid DIY Toothpaste 3.5 oz**Herbs Botanica**$5.81**98 rev1y ago](https://www.amazon.com/dp/B0DZNDV6VB) [**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) [**Solaray Calcium Citrate 1000mg - Chelated Calcium Supplement - Supports Bone Strength and Healthy Teeth - Easy to Digest - Vegan - 68 Servings 275 VegCaps**SOLARAY**$23.29**5,542 rev6y ago](https://www.amazon.com/dp/B087YCD1QJ) [**CalMag Plus Calcium Magnesium Powder for Sleep & Calm Orange Flavor**Whole Family Naturals**$27.14**383 rev8y ago](https://www.amazon.com/dp/B07DF7P18R)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Vitamatic Calcium Carbonate Powder 500 g (17.6 oz) Unflavored Dietary Supplement Powder Non-GMO**Vitamatic**$11.80**4.8★**▲ 209%**](https://www.amazon.com/dp/B0GT28VKQW) [**Flukers Reptile Calcium Supplement Without Vitamin D3**Fluker's**$5.93**4.8★**▲ 144%**](https://www.amazon.com/dp/B001OROQ8U) [**NOW Foods Supplements Calcium Citrate with Vitamin D Magnesium Zinc Copper and Manganese 250 Tablets**NOW Foods**$24.47**4.6★**▲ 54%**](https://www.amazon.com/dp/B0013OQJ66) [**Nutricost Calcium Citrate Powder (250 Grams) Unflavored**Nutricost**$11.92**4.4★**▲ 40%**](https://www.amazon.com/dp/B06XTYYK4J) [**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★**▲ 35%**](https://www.amazon.com/dp/B0BKNL1XDS)
**~~View all trending →~~**
## **What buyers say about calcium powder**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Calcium**20%
*“Wonderful calcium supplement”*
**Quality-Overall**19%
*“Good quality and fine powder”*
**Value For Money**7%
*“Great Value”*
**Ease Of Chewing/Swallowing**6%
*“High Quality and Easy to Digest”*
**Advertised Vs Actual Product**6%
*“As advertised”*
**Vitamin**5%
*“Great supplement”*
**Ease Of Use**3%
*“Its simple to use”*
**Efficiency**2%
*“very effective”*
**Solubility**2%
*“Easy to mix”*
**Acid Regulator/Stomach Ache Relief**2%
*“instant relief to the reflux”*
### **What buyers complain about **
**Calcium**11%
*“I need extra calcium”*
**Dosage**8%
*“1000mg per serving----- misleading”*
**Size-Overall**8%
*“These gel caps are very large”*
**Quality-Overall**4%
*“Very bad batch here”*
**Acid Regulator/Stomach Ache Relief**3%
*“I do have stomach sensitivities”*
**Ease Of Chewing/Swallowing**3%
*“so I wasn't really keen on swallow it”*
**Value For Money**3%
*“Too pricey”*
**Taste-Overall**3%
*“tasteless”*
**Heart Health**2%
*“Heart hurts”*
**Regulates Digestion**2%
*“Caused acid reflux”*
### **Top return reasons **
**Calcium**49%
**Vitamin**17%
**Ease Of Chewing/Swallowing**8%
**Regulates Digestion**8%
**Advertised Vs Actual Product**8%
**Smell**4%
**Ease Of Use**3%
**Hard Feel**3%
## **Common questions**
- **Is calcium powder profitable to sell on Amazon United States?**
- The niche generates $114K/yr across 20 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +1.8%. Flapen's verdict: Skip it (43/100).
- **How competitive is the calcium powder niche?**
- 10 brands and 45 sellers compete. The top 5 products take 70% of clicks and top 5 brands hold 92% of demand.
- **What do buyers complain about in calcium powder?**
- Top complaints mined from reviews: Calcium, Dosage, Size-Overall. The return rate is 0.0%.
- **When does demand for calcium powder peak?**
- Demand peaks in Jan–Feb–Sep–Oct–Nov–Dec; the busiest month runs 3.6× the quietest.
- **What does it cost to enter the calcium powder niche?**
- Listings span $5.81–$31.39; the average listing price is $15.25 (sweet spot $15–$100). The average incumbent carries 2,587 reviews — the moat a new listing must climb.
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