Zinc Stearate

Zinc Stearate in Medications

Zinc Stearate: A Lubricant Used in Tablet Manufacturing

Zinc stearate is a metal soap used as a lubricant in the manufacture of tablets and capsules. It helps prevent ingredients from sticking to machinery and supports smooth production.


What Is Zinc Stearate?

Zinc stearate is a metal soap used as a lubricant in the manufacture of tablets and capsules. It helps prevent ingredients from sticking to machinery and supports smooth production.


Why Is Zinc Stearate Used in Medications?

Zinc Stearate is used because it:

  • Reduces sticking during tablet compression
  • Improves powder flow and processing
  • Supports consistent manufacturing and product uniformity

Ingredient Names to Look For

Zinc Stearate may be listed as:

  • Zinc stearate

Where Does Zinc Stearate Appear?

It is commonly found in:

  • Tablets and caplets
  • Some capsule fills (as a lubricant)
  • Occasionally in coated products

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.