Enzyme

    Serrapeptase

    Serrapeptase (Serratiopeptidase)

    TL;DR

    Serrapeptase is an anti-inflammatory enzyme with decades of use but weak modern evidence — Italy withdrew it after confirmatory trials failed.

    Ideal For

    • People willing to trial an unproven adjunct for post-surgical swelling
    • Chronic mucus/sputum complaints where standard care has been tried

    Avoid If

    • You take anticoagulants or antiplatelet drugs
    • You have a bleeding disorder
    • You are scheduled for surgery within two weeks

    Frequently Asked Questions

    Overview

    Serratiopeptidase entered clinical use in the 1960s on the strength of small trials showing reduced swelling after dental and ENT surgery. Later reviews are far less flattering: the largest systematic assessments conclude that most supporting studies were small, poorly blinded, and often industry-run, and Italy's medicines agency suspended serratiopeptidase products in 2013 after post-authorization studies failed to demonstrate efficacy. There is somewhat more consistent, though still weak, evidence for reducing sputum viscosity and cough in chronic bronchial disease. Enteric coating is essential because gastric acid destroys the enzyme, and even then systemic absorption of an intact 45-50 kDa protein is mechanistically questionable — the strongest counterargument to the whole category. Rare but serious adverse events including eosinophilic pneumonitis and dermatitis have been reported. Serrapeptase is best considered an experimental option, not a proven anti-inflammatory.

    How It Works

    • Hydrolyzes fibrin, cellular debris, and inflammatory exudate in vitro
    • May reduce bradykinin-mediated pain signaling
    • Thins mucus by cleaving glycoprotein cross-links in sputum
    • Systemic absorption of the intact enzyme remains unproven in humans

    Benefits & Outcomes

    No linked outcomes yet. Research is ongoing.

    Supporting Research
    6 studies

    Serratiopeptidase: A systematic review of the existing evidence

    Score: 8/10
    2013
    systematic_review
    0

    Bhagat S, Agarwal M, Roy V

    Most trials of serratiopeptidase were small, of poor methodological quality and short duration, providing insufficient evidence for the claimed anti-inflammatory, anti-oedema and analgesic effects.

    View source

    Role of Serratiopeptidase After Surgical Removal of Impacted Molar: A Systematic Review and Meta-analysis

    Score: 6/10
    2017
    meta_analysis
    0

    Sivaramakrishnan G, Sridharan K

    Serratiopeptidase modestly reduced trismus and swelling after third molar surgery but was inferior to corticosteroids.

    View source

    Comparison of clinical efficacy of methylprednisolone and serratiopeptidase for reduction of postoperative sequelae after lower third molar surgery

    Score: 5/10
    2015
    rct
    n=30

    Chappi DM, Suresh KV, Patil MR +5 more

    Methylprednisolone outperformed serratiopeptidase for reducing postoperative swelling and trismus.

    View source

    Efficacy of serratiopeptidase after impacted third molar surgery: a randomized controlled clinical trial

    Score: 5/10
    2021
    rct
    n=60

    Sharma A, Kumar S, Gupta A +1 more

    Serratiopeptidase reduced postoperative swelling and trismus compared with control, with pain scores broadly similar between groups.

    View source

    Effect of the proteolytic enzyme serrapeptase in patients with chronic airway disease

    Score: 5/10
    2003
    rct
    n=29

    Nakamura S, Hashimoto Y, Mikami M +5 more

    Four weeks of serrapeptase reduced sputum weight, sputum viscosity and cough frequency in patients with chronic airway disease.

    View source

    The role of serratiopeptidase in the resolution of inflammation

    Score: 4/10
    2017
    systematic_review
    0

    Tiwari M

    Proposed mechanisms include fibrinolysis, reduced bradykinin and improved antibiotic penetration into biofilms, largely from laboratory rather than clinical data.

    View source

    Safety Information

    Potential Side Effects

    {"GI upset, cough, skin reactions; rare eosinophilic pneumonitis"}

    Contraindications

    {"Bleeding disorders","Concurrent anticoagulant therapy","Pregnancy (insufficient data)"}

    Drug Interactions

    • Warfarin, clopidogrel, aspirin (bleeding risk)
    • Possible potentiation of antibiotic tissue penetration

    Pregnancy & Breastfeeding

    Pregnancy: insufficient_data

    Breastfeeding: insufficient_data

    Dosage Guidelines

    Dosage Used in Studies

    Consult healthcare provider

    Forms Compared

    Food & Timing

    Empty stomach, at least 30 minutes before food or two hours after.

    Medical Disclaimer

    The information provided on this website is for educational and informational purposes only and is not intended as a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition or before starting any supplement regimen.

    Individual results may vary. The statements on this website have not been evaluated by the Food and Drug Administration. Products and information are not intended to diagnose, treat, cure, or prevent any disease.