Butylated Hydroxytoluene (BHT)

Butylated Hydroxytoluene (BHT) in Medications

BHT: A Pharmaceutical Antioxidant

BHT is used in some medications to help protect ingredients from oxidation.

It does not provide therapeutic benefit.


What Is BHT?

Butylated hydroxytoluene (BHT) is a synthetic antioxidant used to preserve product stability.


Why Is BHT Used in Medications?

BHT is used because it:

  • Prevents oxidation of ingredients
  • Extends shelf life
  • Maintains product quality over time

Ingredient Names to Look For

BHT may be listed as:

  • Butylated hydroxytoluene
  • BHT
  • E321

Where Does BHT Appear?

It may be found in:

  • Tablets
  • Capsules
  • Combination products

How to Check a Medication’s Ingredient List

Ingredient lists can differ by manufacturer.

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.