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Medically reviewed by Last updated on Dec 14, 2021.

What are other common names?

  • Antiflazym
  • Butterfly Enzyme
  • Danzen
  • Enzyme de Ver de Soie
  • Extrait de Ver de Soie
  • SER
  • Serapeptase
  • Serodase
  • Serralysin
  • Serrapeptasa
  • Serrapeptasi
  • Serrapeptidase
  • Serratia E-15
  • Serratia Extracellular Proteinase
  • Serratia Peptidase
  • Serratiaprotease
  • Serratiopeptidase
  • Silk Worm Enzyme
  • Silkworm Extract

What is this product used for?

Serrapeptase is an enzyme that is used by some people as medicine. Science currently does not support the use of this product for any health problems.

What are the precautions when taking this product?

  • Always check with your doctor before you use a natural product. Some products may not mix well with drugs or other natural products.

  • Be sure to tell your doctor that you take this product if you are scheduled for surgery or tests.

  • Do not use this product if you are pregnant or plan to become pregnant soon. Use birth control you can trust while taking this product.

  • Do not use this product if you are breastfeeding.

  • Take extra care if you are taking drugs to thin your blood. These are drugs like warfarin, heparin, or enoxaparin.

  • Take extra care if you are taking drugs to dissolve blood clots. These are drugs like alteplase, reteplase, or streptokinase.

  • Take extra care if you are taking drugs to help with swelling or inflammation. These can also increase your risk of bleeding. These are drugs like nonsteroidal anti-inflammatory drugs (NSAIDs), aspirin, ibuprofen, or naproxen.

  • Take extra care and check with your doctor if you have:

    • Bleeding problems

    • Behçet disease

    • Stevens-Johnson syndrome

What should I watch for?

  • Upset stomach

  • Belly pain

  • Loose stools

When do I need to call the doctor?

  • Signs of a very bad reaction. These include wheezing; chest tightness; fever; itching; bad cough; blue skin color; seizures; or swelling of face, lips, tongue, or throat. Go to the ER right away.

  • Signs of infection. These include a fever of 100.4°F (38°C) or higher, chills, cough, more sputum or change in color of sputum.

  • Throwing up blood

  • Blood in your stools or dark, tarry colored stools

  • Bruising or bleeding that is not normal

  • Changes in menstrual periods like lots of bleeding, spotting, or bleeding between cycles

  • Rash or blisters on your skin

  • Trouble breathing

Last Reviewed Date


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