E341(III) · Tricalcium Phosphate
- FDA
- Safe
What is E341(III)?
Tricalcium phosphate is a calcium salt of phosphoric acid, naturally found in bones and teeth. In food, it is used as an anti-caking agent in powdered products, a firming agent, and a source of added calcium in supplements and fortified foods. It helps powders stay free-flowing and can contribute meaningfully to daily calcium intake.
Also appears on labels as: Tricalcium phosphate, Calcium phosphate tribasic, Calcium orthophosphate, Tri-calcium orthophosphate, TCP, E341(iii), E 341(iii), E-341(iii), INS 341(iii), Calcium phosphate (E341iii), Tribasic calcium phosphate, Tricalcium phosphate food additive.
What the evidence says
- High total phosphorus intake (from all dietary sources combined) can be a concern for people with chronic kidney disease.
- Very high intakes may modestly reduce absorption of iron, zinc, and other minerals.
Frequently asked questions
Is E341(III) safe?
Our overall verdict for E341(III) (Tricalcium Phosphate) is “Safe”, based on the most cautious of the major regulators’ positions — FDA: safe.
Is E341(III) vegan, halal or gluten-free?
According to our ingredient data for Tricalcium Phosphate — vegan: yes, vegetarian: yes, halal: yes, kosher: yes, gluten-free: yes, dairy-free: yes. Manufacturing sources can vary between products; check the label if it matters to you.
What is E341(III) and why is it used?
Tricalcium phosphate is a calcium salt of phosphoric acid, naturally found in bones and teeth. In food, it is used as an anti-caking agent in powdered products, a firming agent, and a source of added calcium in supplements and fortified foods. It helps powders stay free-flowing and can contribute meaningfully to daily calcium intake.
Does E341(III) contain allergens?
No known allergens are recorded for Tricalcium Phosphate.
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This page summarises publicly available regulatory assessments and research. It is general information, not medical advice. Sources: EFSA, FDA, WHO and the studies linked above.