Potassium Sorbate

Potassium Sorbate in Medications

Potassium Sorbate: A Common Pharmaceutical Ingredient
Potassium sorbate is used in medications as a preservative. It does not treat medical conditions, but it plays an important role in preventing microbial growth.


What Is Potassium Sorbate?

Potassium sorbate is the potassium salt of sorbic acid. In pharmaceuticals, it inhibits mold and yeast. It may appear under several ingredient names on medication labels.


Why Is Potassium Sorbate Used in Medications?

Potassium sorbate is used because it:

  • Prevents microbial contamination
  • Extends shelf life
  • Maintains product safety in liquids
  • Is effective in acidic conditions

These properties make it useful in both prescription and over-the-counter products.


Ingredient Names to Look For

Potassium sorbate may be listed as:

  • Potassium sorbate
  • E202

Where Does Potassium Sorbate Appear?

It is commonly found in:

  • Liquid medications
  • Syrups and suspensions
  • Multi-dose formulations
  • Combination products

How to Check a Medication’s Ingredient List

Ingredient lists can vary by manufacturer and dosage form.
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.