calcium phosphate
Skip itA small market ($25K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Avg price
Great$19.72avg listing price — sweet spot $15–$100
Review moat
Great286.93avg incumbent reviews — the moat a new listing must climb
Price range
Great$9.98–$40.17cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Okay3.8%search→purchase rate — share of searches ending in a sale
Brand share
Okay79%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Competition
Okay69%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
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
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.Peak months: Mar · busiest ÷ quietest = 1.8×
Top calcium phosphate search terms
- calcium phosphate19K/yr
- calcium phosphate powder6K/yr
- tricalcium phosphate4K/yr
- calcium phosphate supplement4K/yr
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.
All 14 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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$24.464.4★450 rev
BulkSupplements.com Dicalcium Phosphate Powder - Calcium Supplement DCP Supplement - Unflavored & Gluten Free 2g per Serving 1kg (2.2 lbs) (Pack of 1)
BulkSupplements$26.954.4★428 rev
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$9.984.5★2 rev
mGanna 100% Tricalcium Phosphate Powder 227 g / 0.5 lbs
mGanna$12.814.5★17 rev
NOW Foods Supplements Calcium Hydroxyapatite Caps Supports Bone Health* 120 Capsules
NOW Foods$11.354.7★1,662 rev
Newest
by launch dateHerbs 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$9.982 rev
mGanna 100% Tricalcium Phosphate Powder 227 g / 0.5 lbs
mGanna$12.8117 rev
mGanna 100% Dibasic Calcium Phosphate for Food and Cosmetics 454 g / 1 lbs
mGanna$15.869 rev
mGanna Dicalcium Phosphate for Food and Cosmetics 227 gms / 0.5 lbs
mGanna$10.0826 rev
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$23.13220 rev
Trending
90-day click momentumHerbs 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$9.984.5★
MarkNature Calcium Phosphate Tricalcium Phosphate Powder Food Grade (1 Pound)
MarkNature$40.174.0★
BulkSupplements.com Dicalcium Phosphate Powder - Calcium Supplement DCP Supplement - Unflavored & Gluten Free 2g per Serving 100g (3.5 oz) (Pack of 1)
BulkSupplements$13.854.4★
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$23.134.6★
Naturejam Calcium Phosphate 8 Ounce-Food Grade-Mixture of monocalcium Phosphate and Calcium Acid Pyrophosphate
Naturejam$14.964.7★
What buyers say about calcium phosphate
What buyers praise and complain about, mined from review topics.What buyers love
“Good Quality Powder”
“Better than calcium”
“Great vitamin”
“As advertised”
“Price is great too”
“My bones feel better”
“It works”
“I had transparent front teeth and it helped rebuild the enamel, very happy”
“Good for your joints”
“Great supplements”
What buyers complain about
“Does not dissolve in water”
“Caused acid reflux”
“Turns out 15% of gallstones are calcium, phosphate, and bilirubinate”
“Upset my stomach”
“the salt isn't the main ingredient in terms of volume”
“They only contain roughly 0.00001% of the salt”
“the ones without phosphorus never work as well”
“Last night was the last time Im taking these because it scared me that badly”
“from where I felt it stick”
“These capsules are large ones so either drink something or bite them to make them smaller”
Top return reasons
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.