Dicalcium Phosphate

Dicalcium Phosphate in Medications

Dicalcium Phosphate: A Common Tablet Filler

Dicalcium phosphate is used in many tablets as a filler to add bulk and improve tablet structure.

It does not treat symptoms.


What Is Dicalcium Phosphate?

Dicalcium phosphate is a calcium phosphate compound used as an inactive ingredient in solid oral dosage forms.

It may influence tablet hardness and manufacturing consistency.


Why Is Dicalcium Phosphate Used in Medications?

It is used because it:

  • Provides bulk as a filler
  • Supports tablet formation and strength
  • Improves manufacturing flow and compression

Ingredient Names to Look For

It may be listed as:

  • Dicalcium phosphate
  • Dibasic calcium phosphate
  • Calcium phosphate, dibasic
  • Dicalcium phosphate dihydrate

Where Does It Appear?

It is commonly found in:

  • Tablets
  • Chewable tablets
  • Some capsule fills

How to Check a Medication’s Ingredient List

Fillers vary by manufacturer and dosage form.

Use PillParser to scan a medication and view its ingredient list.



Type a brand (Advil) or generic (Ibuprofen). We’ll find the label details.

To keep PillParser free, anonymous scans are limited.

Understanding ingredient differences is especially important for individuals with known sensitivities. RxAllergyScan.com allows users to compare medication ingredients against their personal allergen profile.


Educational Note

This page provides educational information only and does not make medical claims.