Is Protamine Sulfate vegetarian?
Protamine Sulfate
Vegetarian
Not Vegetarian
Vegan
Not Vegan
Protamine Sulfate is the sulfate salt of protamine, a small arginine-rich protein extracted from fish sperm (typically salmon), used medically to reverse the effects of heparin.
| Also known as | Protamini sulfas, Sulfuric acid, protamine salt |
|---|---|
| INCI name | Protamine Sulfate |
| CAS number | 9009-65-8 |
| CosIng ID | 58491 |
| Last reviewed | 9 July 2026 |
An ingredient is considered vegetarian if it avoids components derived from killing an animal.
Classifications are made to the best of our knowledge based on available scientific and regulatory sources. We cannot guarantee the accuracy of every entry, errors in the sources we draw from can always occur. This tool also cannot account for cross-contamination, which depends entirely on individual suppliers and producers. If you believe a classification is incorrect, you can report an issue.