Tricalcium Phosphate

Anti-caking AgentsCAS: 7758-87-4

This is what the ingredient is.

Tricalcium phosphate (TCP) is a calcium salt used as an anti-caking agent and calcium supplement.

Here is why it shows up on the label.

It works as an anti-caking agent, calcium fortifier, and acidity regulator. Used in powdered foods and supplements.

Here is what food agencies say.

The FDA lists Tricalcium Phosphate as Generally Recognized as Safe. Europe approves it as additive E341.

Here is what research has found.

Source of calcium. Prevents clumping in powdered products. Used in calcium-fortified foods.

Here are a few things worth knowing.

Generally well-tolerated. Provides bioavailable calcium.

Sources

  • FDA GRAS
  • EFSA E341

How to read this page

We publish plain facts about this ingredient so a label is easier to read. This is not medical advice, and it is not a recommendation to buy, avoid, or use anything. For a personal health question, talk with a clinician who knows your history.

v1.0Updated 9/12/2026