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Calcium Phosphate
Calcium phosphate (Ca3(PO4)2)Provides essential calcium and phosphate; supports bone and teeth mineralization; acts as a food additive to improve texture and stability

Calcium Phosphate

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E341

Quick Verdict

A steady, unassuming mineral partner, calcium phosphate quietly fortifies bones, teeth, and textures in millions of products—from everyday dairy to fortified cereals—while blending into our meals with a natural ease.

Vegan
Child Safe
Gluten Free
Non-Allergen
Source
Synthetic
Daily Limit (ADI)
Not established; use within general calcium/phosphate dietary guidelines
"Fortified beverages often deliver ~300 mg calcium per cup; supplements with calcium phosphate commonly provide ~500 mg elemental calcium per tablet; aim for ~1000 mg calcium daily from all sources for adults"
Global Regulatory Status
USA
GRAS; commonly used as a food additive
EU
Permitted as E341
AU
Permitted
JP
Approved

From Rock to Ration: The Calcium Phosphate Tale

Calcium phosphate begins its journey in ancient rocks, quietly sharing its mineral strength with the world. In modern kitchens, it hides in plain sight as a reliable helper: refined into a powder, it rides into foods we trust. Bakers sprinkle it into bread dough; fortifiers blend it into cereals; it even shows up in supplements and toothpaste. The magic, though, happens on the plate. You’ll taste the story in real foods that pair calcium and phosphate: milk and yogurt delivering calcium, sardines with tiny edible bones loading up on phosphate, kale and broccoli offering plant-based balance, and fortified plant milks carrying a steady mineral dose. It’s chemistry meeting cuisine, turning everyday meals into sustained bone-friendly fuel.

Science in Your Kitchen: What It Does

Think of calcium phosphate as a stabilizing friend in your pantry. Its simplest job is to supply calcium and phosphate, two minerals that team up to build and maintain bones and teeth. But its talents don’t stop there. In foods, its salts help with texture and stability—keeping powders from clumping, aiding emulsions in dairy and baked goods, and enabling fortification to reach your daily goals. In supplements, it acts as a reliable calcium source when taken with meals. For consumers, the message is practical: you’re getting mineral support without a dramatic flavor change, quietly helping you meet dietary recommendations while keeping your favorite snacks consumable.

Safety, Sourcing, and Everyday Use

Calcium phosphate is considered safe for the majority of people when used as a food additive and acceptable supplement. The vegan note is satisfied because it’s a mineral salt rather than an animal-derived ingredient. Some people, especially those with kidney disease or high phosphate needs, should monitor intake and consult a clinician about total phosphate load. For most shoppers, the main consideration is overall phosphate and calcium balance, not the additive itself. Always read labels if you have allergies or sensitivities; keep calcium intake within recommended guidelines, remembering that phosphate also comes from many foods. With typical consumption, calcium phosphate is a steady, unglamorous partner in your diet.

Found in 3076 Products

Common Questions

Q: Is calcium phosphate vegan?
Yes. As a mineral salt, it is typically vegan-friendly. Always check product labels if you have very strict guidelines or sensitivities.
Q: Can calcium phosphate affect kidney health?
In general, it is safe at typical dietary levels. People with kidney disease or very high phosphate needs should consult a clinician about total phosphate and calcium intake.
Q: What foods naturally contain calcium phosphate?
Foods rich in calcium and phosphate include dairy products (milk, yogurt, cheese), canned fish with bones (sardines, salmon), and leafy greens like kale and collard greens; fortified plant milks and cereals also contribute.

Risk Score

2/ 10
Also Known As:
Dicalcium phosphateTribasic calcium phosphateCalcium phosphate dibasic
Healthy Alternatives
  • Calcium citrate
  • Calcium carbonate
  • Calcium lactate