Silicon Dioxide

Silicon Dioxide in Medications

Silicon Dioxide: An Anti-Caking and Flow Agent

Silicon dioxide is a mineral-based ingredient used to prevent clumping and improve powder flow.  It helps medications manufacture consistently by keeping powders free-flowing.


What Is Silicon Dioxide?

Silicon dioxide is a mineral-based ingredient used to prevent clumping and improve powder flow. It helps medications manufacture consistently by keeping powders free-flowing.


Why Is Silicon Dioxide Used in Medications?

Silicon Dioxide is used because it:

  • Prevents clumping (anti-caking)
  • Improves powder flow during tablet/capsule manufacturing
  • Supports consistent weight and dosing in solid forms

Ingredient Names to Look For

Silicon Dioxide may be listed as:

  • Silicon dioxide
  • Colloidal silicon dioxide
  • Silica

Where Does Silicon Dioxide Appear?

It is commonly found in:

  • Tablets and capsules
  • Powder-filled products
  • Some topical powders

How to Check a Medication’s Ingredient List

Inactive ingredients may vary between manufacturers, dosage forms, and strengths.

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





Adding the manufacturer filters generics (fillers/dyes often differ).

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.