---
title: "Calcium Aspartate Anhydrous — $2K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/calcium-aspartate-anhydrous"
last_updated: "2026-08-10T13:24:41.427Z"
locale: en
meta:
description: "Niche score 37/100 · $2K/yr market · 9K searches/yr · $20.27 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 37/100 · $2K/yr market · 9K searches/yr · $20.27 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Calcium Aspartate Anhydrous — $2K/yr Amazon US Niche (2026) - Flapen"
---
# **calcium aspartate anhydrous**
**Skip it**
A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Market size 1Growth 55Conversion 14Competition 0Returns 100Price range 81Avg price 88Brand share 0Review moat 46Quality gap 68
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$20.27**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$10.38–$36.19**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Good****4.3★**
avg incumbent rating — lower means beatable quality
**Growth**
**Good****+28.6%**
90-day search growth — must beat 0% to launch
**Review moat**
**Okay****1,871.2**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Bad****1.1%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Bad****$2K**
$2K/yr · 9K searches
**Competition**
**Bad****100%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, calcium aspartate anhydrous is a $2K/yr Amazon United States market (9K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Nov. Verdict: Skip it — 37/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **calcium aspartate anhydrous market data**
- **Units sold / yr**
- **250–500**
- avg 0–100/product
- **Revenue / yr**
- **$5K–$10K**
- units × avg price
- **Conversion rate**
- **1.1%**
- **Avg BSR**
- **#2,385**
- **Page quality**
- **0%**
- **Prime**
- **80%**
- **Sponsored**
- **40%**
- **Out of stock**
- **2.0%**
- **Avg brand age**
- **101 months**
- **Avg seller age**
- **188 days**
## **Competition & brand share**
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**4 **▼falling
**Sellers**
**11**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**100%**
Top 20: 100%
**Open market**
**0%**
- Swanson62% - BulkSupplements22% - New Chapter8% - NCI Advanced Research7%
## **Demand & seasonality**
Weekly Amazon search volume, last 99 weeks — +28.6% search growth over the last 90 days.
250150Spike '24Spike '25Prime Day '25Spike '26 seasonDecMarJunAugNovMarMay
Peak months: Nov · busiest ÷ quietest = 1.8×
[**Open Trend **](https://flapen.com/research/us/health-household/calcium-aspartate-anhydrous/trend)
## **Top calcium aspartate anhydrous 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%$20120%$40230%$60340%$804101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 5 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Swanson Calcium Aspartate - Herbal Supplement Promoting Bone Heart & Muscle Health - Natural Formula Promoting Total Body Wellness - (60 Capsules-200mg Each) (2 Pack)**Swanson**$18.07**4.4★257 rev](https://www.amazon.com/dp/B07F2M7QHV) [2**Swanson Calcium Aspartate - Herbal Supplement Promoting Bone Heart & Muscle Health - Natural Formula Promoting Total Body Wellness - (60 Capsules-200mg Each)**Swanson**$10.38**4.4★257 rev](https://www.amazon.com/dp/B00DECMOGO) [3**BulkSupplements.com Calcium Aspartate Powder - Calcium Supplement Bone Health Supplement - Gluten Free 1g per Serving 250g (8.8 oz) (Pack of 1)**BulkSupplements**$18.72**4.0★54 rev](https://www.amazon.com/dp/B07G1C713R) [4**New Chapter Bone Strength Take Care - Bone & Heart Health Supplement - Clinically Studied Plant Calcium from Red Marine Algae - Vegan Organic Gluten Free & Kosher - 120 Slim Tablets**New Chapter**$36.19**4.6★8,776 rev](https://www.amazon.com/dp/B01MZ6YI2A) [5**NCI Dr. Hans Nieper Calcium Aspartate Tablets 350 Mg 100 Count**NCI Advanced Research**$17.96**4.3★12 rev](https://www.amazon.com/dp/B004UASOOU)
### **Newest**
by launch date
[**Swanson Calcium Aspartate - Herbal Supplement Promoting Bone Heart & Muscle Health - Natural Formula Promoting Total Body Wellness - (60 Capsules-200mg Each) (2 Pack)**Swanson**$18.07**257 rev1y ago](https://www.amazon.com/dp/B07F2M7QHV) [**BulkSupplements.com Calcium Aspartate Powder - Calcium Supplement Bone Health Supplement - Gluten Free 1g per Serving 250g (8.8 oz) (Pack of 1)**BulkSupplements**$18.72**54 rev7y ago](https://www.amazon.com/dp/B07G1C713R) [**New Chapter Bone Strength Take Care - Bone & Heart Health Supplement - Clinically Studied Plant Calcium from Red Marine Algae - Vegan Organic Gluten Free & Kosher - 120 Slim Tablets**New Chapter**$36.19**8,776 rev8y ago](https://www.amazon.com/dp/B01MZ6YI2A) [**Swanson Calcium Aspartate - Herbal Supplement Promoting Bone Heart & Muscle Health - Natural Formula Promoting Total Body Wellness - (60 Capsules-200mg Each)**Swanson**$10.38**257 rev13y ago](https://www.amazon.com/dp/B00DECMOGO) [**NCI Dr. Hans Nieper Calcium Aspartate Tablets 350 Mg 100 Count**NCI Advanced Research**$17.96**12 rev15y ago](https://www.amazon.com/dp/B004UASOOU)
### **Trending**
90-day click momentum
[**Swanson Calcium Aspartate - Herbal Supplement Promoting Bone Heart & Muscle Health - Natural Formula Promoting Total Body Wellness - (60 Capsules-200mg Each) (2 Pack)**Swanson**$18.07**4.4★**▲ 34%**](https://www.amazon.com/dp/B07F2M7QHV) [**BulkSupplements.com Calcium Aspartate Powder - Calcium Supplement Bone Health Supplement - Gluten Free 1g per Serving 250g (8.8 oz) (Pack of 1)**BulkSupplements**$18.72**4.0★**▲ 21%**](https://www.amazon.com/dp/B07G1C713R) [**Swanson Calcium Aspartate - Herbal Supplement Promoting Bone Heart & Muscle Health - Natural Formula Promoting Total Body Wellness - (60 Capsules-200mg Each)**Swanson**$10.38**4.4★**▼ 16%**](https://www.amazon.com/dp/B00DECMOGO) [**New Chapter Bone Strength Take Care - Bone & Heart Health Supplement - Clinically Studied Plant Calcium from Red Marine Algae - Vegan Organic Gluten Free & Kosher - 120 Slim Tablets**New Chapter**$36.19**4.6★**▼ 18%**](https://www.amazon.com/dp/B01MZ6YI2A) [**NCI Dr. Hans Nieper Calcium Aspartate Tablets 350 Mg 100 Count**NCI Advanced Research**$17.96**4.3★**▼ 38%**](https://www.amazon.com/dp/B004UASOOU)
## **What buyers say about calcium aspartate anhydrous**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Calcium**27%
*“An awesome form of calcium”*
**Quality-Overall**21%
*“Excellent product”*
**Vitamin**6%
*“Good supplement”*
**Ease Of Chewing/Swallowing**5%
*“Easier to Swallow”*
**Efficiency**4%
*“It works”*
**Advertised Vs Actual Product**4%
*“As advertised”*
**Regulates Digestion**3%
*“I take them daily with no problem digesting”*
**Strength**3%
*“so HEALTHY and STRONG”*
**Ingredients-Overall**3%
*“A great formulation”*
**Natural Ingredients**2%
*“All Natural”*
### **What buyers complain about **
**Calcium**13%
*“Why they can't do Calcium in capsules too”*
**Ease Of Chewing/Swallowing**13%
*“Difficult to swallow”*
**Quality-Overall**7%
*“Not quality”*
**Vitamin**7%
*“These are NOT cheap vitamins”*
**Value For Money**6%
*“this is not an inexpensive item”*
**Iron**5%
*“my blood tests showed low levels of Iron”*
**Regulates Digestion**5%
*“Rough in my gut”*
**Size-Overall**5%
*“The only thing I dont love is the serving size”*
**Acid Regulator/Stomach Ache Relief**5%
*“Causes severe abdominal issues”*
**Allergies**5%
*“May cause allergic reaction”*
### **Top return reasons **
**Calcium**50%
**Sensitivity-Overall**50%
## **Common questions**
- **Is calcium aspartate anhydrous profitable to sell on Amazon United States?**
- The niche generates $2K/yr across 5 tracked products. 90-day search growth is +28.6%. Flapen's verdict: Skip it (37/100).
- **How competitive is the calcium aspartate anhydrous niche?**
- 4 brands and 11 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in calcium aspartate anhydrous?**
- Top complaints mined from reviews: Calcium, Ease Of Chewing/Swallowing, Quality-Overall. The return rate is 0.0%.
- **When does demand for calcium aspartate anhydrous peak?**
- Demand peaks in Nov; the busiest month runs 1.8× the quietest.
- **What does it cost to enter the calcium aspartate anhydrous niche?**
- Listings span $10.38–$36.19; the average listing price is $20.27 (sweet spot $15–$100). The average incumbent carries 1,871 reviews — the moat a new listing must climb.
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