---
title: "Calcium Phosphate — $25K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/calcium-phosphate"
last_updated: "2026-08-06T00:02:19.824Z"
locale: en
meta:
description: "Niche score 43/100 · $25K/yr market · 33K searches/yr · $19.72 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 43/100 · $25K/yr market · 33K searches/yr · $19.72 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Calcium Phosphate — $25K/yr Amazon US Niche (2026) - Flapen"
---
# **calcium phosphate**
**Skip it**
A small market ($25K/yr) — this niche doesn't clear our bar today.
Market size 6Growth 21Conversion 48Competition 27Returns 100Price range 82Avg price 87Brand share 43Review moat 86Quality gap 33
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$19.72**
avg listing price — sweet spot $15–$100
**Review moat**
**Great****286.93**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Great****$9.98–$40.17**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Okay****3.8%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Okay****79%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Competition**
**Okay****69%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Bad****-8.2%**
90-day search growth — must beat 0% to launch
**Market size**
**Bad****$25K**
$25K/yr · 33K 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 phosphate is a $25K/yr Amazon United States market (33K searches/yr). The top 5 brands hold 79% of demand. Demand peaks in Mar. Verdict: Skip it — 43/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **calcium phosphate market data**
- **Units sold / yr**
- **1K–2K**
- avg 0–100/product
- **Revenue / yr**
- **$25K–$30K**
- units × avg price
- **Conversion rate**
- **3.8%**
- **Avg BSR**
- **#667**
- **Page quality**
- **0%**
- **Prime**
- **93%**
- **Sponsored**
- **71%**
- **Out of stock**
- **2.6%**
- **Avg brand age**
- **98 months**
- **Avg seller age**
- **165 days**
## **Competition & brand share**
The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**11 **▼falling
**Sellers**
**21**
**Top-5 brand share**
**79%**
Top 20: 100%
**Top-5 click share**
**69%**
Top 20: 100%
**Open market**
**15%**
- FREEDA35% - mGanna14% - BulkSupplements14% - Herbs Botanica10% - NOW Foods7% - Neogen Health6% - Open — no brand owns it (5 brands, 15%)
## **Demand & seasonality**
Weekly Amazon search volume, last 72 weeks — -8.2% search growth over the last 90 days.
2K1KSpike '25Spike '26 seasonAprMayJunJulAugSepOctNovDecJanFebMarAprMayJunJul
Peak months: Mar · busiest ÷ quietest = 1.8×
[**Open Trend **](https://flapen.com/research/us/health-household/calcium-phosphate/trend)
## **Top calcium phosphate search terms**
- **calcium phosphate**19K/yr-1.7%2.0% conv. - **calcium phosphate powder**6K/yr-14.7%6.1% conv. - **tricalcium phosphate**4K/yr-8.4%3.5% conv. - **calcium phosphate supplement**4K/yr-34.2%3.0% conv. [**All search terms **](https://flapen.com/research/us/health-household/calcium-phosphate/search-terms)
## **Top calcium phosphate 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%$2K20%$5K30%$7K40%$10K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 14 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Freeda Calcium Phosphate Powder Kosher Mineral Supplement for Bone & Joint Health in Men Women Dogs & Cats Bone Strength Powder with Calcium and Phosphorus No Vitamin D Made in USA 16oz**FREEDA**$24.46**4.4★450 rev](https://www.amazon.com/dp/B00GZRHVIQ) [2**BulkSupplements.com Dicalcium Phosphate Powder - Calcium Supplement DCP Supplement - Unflavored & Gluten Free 2g per Serving 1kg (2.2 lbs) (Pack of 1)**BulkSupplements**$26.95**4.4★428 rev](https://www.amazon.com/dp/B00ENPADPA) [3**Herbs Botanica Tricalcium Phosphate Powder 8 oz (227g) Pure Food Grade E341 Processing Aid High-Performance Anti-Caking Agent and Flow Aid for Spices Sugars & Protein Mixes Free Flow Powder**Herbs Botanica**$9.98**4.5★2 rev](https://www.amazon.com/dp/B0GX6S3FH4) [4**mGanna 100% Tricalcium Phosphate Powder 227 g / 0.5 lbs**mGanna**$12.81**4.5★17 rev](https://www.amazon.com/dp/B0DRVY28S6) [5**NOW Foods Supplements Calcium Hydroxyapatite Caps Supports Bone Health* 120 Capsules**NOW Foods**$11.35**4.7★1,662 rev](https://www.amazon.com/dp/B000I4DLJK)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Herbs Botanica Tricalcium Phosphate Powder 8 oz (227g) Pure Food Grade E341 Processing Aid High-Performance Anti-Caking Agent and Flow Aid for Spices Sugars & Protein Mixes Free Flow Powder**Herbs Botanica**$9.98**2 rev3mo ago](https://www.amazon.com/dp/B0GX6S3FH4) [**mGanna 100% Tricalcium Phosphate Powder 227 g / 0.5 lbs**mGanna**$12.81**17 rev1y ago](https://www.amazon.com/dp/B0DRVY28S6) [**mGanna 100% Dibasic Calcium Phosphate for Food and Cosmetics 454 g / 1 lbs**mGanna**$15.86**9 rev2y ago](https://www.amazon.com/dp/B0D8TJSY5J) [**mGanna Dicalcium Phosphate for Food and Cosmetics 227 gms / 0.5 lbs**mGanna**$10.08**26 rev2y ago](https://www.amazon.com/dp/B0D2QYHPN3) [**OsteoVit 5-in-1 Calcium 120 tabs Multivitamin: Calcium Magnesium Phosphorus Vitamin D3 & A - Bone Strength & Flexibility* Non-GMO Gluten Free | Calcium Supplement for Women & Men with Vitamin D**Neogen Health**$23.13**220 rev2y ago](https://www.amazon.com/dp/B0D1M1Z23C)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Herbs Botanica Tricalcium Phosphate Powder 8 oz (227g) Pure Food Grade E341 Processing Aid High-Performance Anti-Caking Agent and Flow Aid for Spices Sugars & Protein Mixes Free Flow Powder**Herbs Botanica**$9.98**4.5★**▲ 402%**](https://www.amazon.com/dp/B0GX6S3FH4) [**MarkNature Calcium Phosphate Tricalcium Phosphate Powder Food Grade (1 Pound)**MarkNature**$40.17**4.0★**▲ 64%**](https://www.amazon.com/dp/B085HQR4FL) [**BulkSupplements.com Dicalcium Phosphate Powder - Calcium Supplement DCP Supplement - Unflavored & Gluten Free 2g per Serving 100g (3.5 oz) (Pack of 1)**BulkSupplements**$13.85**4.4★**▲ 57%**](https://www.amazon.com/dp/B0763T4496) [**OsteoVit 5-in-1 Calcium 120 tabs Multivitamin: Calcium Magnesium Phosphorus Vitamin D3 & A - Bone Strength & Flexibility* Non-GMO Gluten Free | Calcium Supplement for Women & Men with Vitamin D**Neogen Health**$23.13**4.6★**▲ 28%**](https://www.amazon.com/dp/B0D1M1Z23C) [**Naturejam Calcium Phosphate 8 Ounce-Food Grade-Mixture of monocalcium Phosphate and Calcium Acid Pyrophosphate**Naturejam**$14.96**4.7★**▲ 27%**](https://www.amazon.com/dp/B0CKCNZ4C3)
**~~View all trending →~~**
## **What buyers say about calcium phosphate**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**22%
*“Good Quality Powder”*
**Calcium**17%
*“Better than calcium”*
**Vitamin**11%
*“Great vitamin”*
**Advertised Vs Actual Product**5%
*“As advertised”*
**Value For Money**3%
*“Price is great too”*
**Muscle Pain Relief**3%
*“My bones feel better”*
**Efficiency**3%
*“It works”*
**Tooth Brightening**3%
*“I had transparent front teeth and it helped rebuild the enamel, very happy”*
**Joint Pain**3%
*“Good for your joints”*
**Nutritional Content**3%
*“Great supplements”*
### **What buyers complain about **
**Solubility**13%
*“Does not dissolve in water”*
**Regulates Digestion**10%
*“Caused acid reflux”*
**Calcium**5%
*“Turns out 15% of gallstones are calcium, phosphate, and bilirubinate”*
**Acid Regulator/Stomach Ache Relief**5%
*“Upset my stomach”*
**Ingredients-Overall**5%
*“the salt isn't the main ingredient in terms of volume”*
**Salt Content**5%
*“They only contain roughly 0.00001% of the salt”*
**Functionality-Overall**3%
*“the ones without phosphorus never work as well”*
**Side Effects**3%
*“Last night was the last time Im taking these because it scared me that badly”*
**Adhesion/Stickiness**3%
*“from where I felt it stick”*
**Size-Overall**3%
*“These capsules are large ones so either drink something or bite them to make them smaller”*
### **Top return reasons **
**Advertised Vs Actual Product**25%
**Product Condition**25%
**Dilute/Watery**25%
**Moist/Dry**13%
**Water Resistance**13%
## **Common questions**
- **Is calcium phosphate profitable to sell on Amazon United States?**
- The niche generates $25K/yr across 14 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -8.2%. Flapen's verdict: Skip it (43/100).
- **How competitive is the calcium phosphate niche?**
- 11 brands and 21 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 79% of demand.
- **What do buyers complain about in calcium phosphate?**
- Top complaints mined from reviews: Solubility, Regulates Digestion, Calcium. The return rate is 0.1%.
- **When does demand for calcium phosphate peak?**
- Demand peaks in Mar; the busiest month runs 1.8× the quietest.
- **What does it cost to enter the calcium phosphate niche?**
- Listings span $9.98–$40.17; the average listing price is $19.72 (sweet spot $15–$100). The average incumbent carries 287 reviews — the moat a new listing must climb.
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