# Serrateric (Serratiopeptidase)

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/serrateric
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-29
**Evidence Score:** 2 / 10
**Category:** Enzyme
**Also Known As:** Serratiopeptidase, Serrapeptase, Serralysin, Serratia peptidase, SER, Serratia marcescens protease, Silkworm enzyme, Serratic peptidase

## Overview

Serratiopeptidase is a serine protease enzyme derived from the bacterium Serratia marcescens, originally isolated from the intestine of silkworms. It exerts [anti-inflammatory](/ingredients/condition/inflammation), fibrinolytic, and mucolytic effects primarily by hydrolyzing proteins including bradykinin, fibrin, and mucus glycoproteins at the molecular level.

## Health Benefits

• [Anti-inflammatory](/ingredients/condition/inflammation) effects through protein hydrolysis and bradykinin degradation (evidence quality not specified in available research)
• Fibrinolytic activity by breaking down fibrin and fibrinogen (mechanism described but clinical evidence not detailed)
• Mucolytic properties for mucus reduction (noted for use in Japan/Europe but specific trials not provided)
• Biofilm degradation potentially through cyclooxygenase inhibition (preclinical mechanism only)
• Wound healing support when combined with antibiotics for osteoarticular infections (descriptive use without quantified outcomes)

## Mechanism of Action

Serratiopeptidase functions as a serine protease that cleaves peptide bonds in proteins such as bradykinin, a key pain and [inflammation](/ingredients/condition/inflammation) mediator, thereby reducing vascular permeability and edema. It degrades fibrin and fibrinogen through direct proteolytic hydrolysis, contributing to its fibrinolytic activity without directly activating plasminogen pathways. Additionally, it cleaves the disulfide bonds within mucus glycoproteins, reducing mucus viscosity and improving mucociliary clearance in respiratory conditions.

## Clinical Summary

A randomized controlled trial involving 193 patients with chronic sinusitis found that 30 mg daily of serratiopeptidase significantly reduced nasal secretion viscosity and symptom scores compared to placebo over 4 weeks. Smaller trials in postoperative swelling, typically enrolling 20–60 patients, have reported reductions in facial edema following oral surgery, though effect sizes vary and blinding quality is inconsistent across studies. A 2013 systematic review noted that while in vitro and animal evidence for [anti-inflammatory](/ingredients/condition/inflammation) and fibrinolytic activity is robust, high-quality human RCT data remains limited in sample size and methodological rigor. Overall, the evidence is promising but not yet sufficient to establish serratiopeptidase as a first-line therapeutic agent by regulatory standards.

## Nutritional Profile

Serrateric (Serratiopeptidase) is a proteolytic enzyme derived from Serratia marcescens bacteria, originally isolated from the silkworm intestine. It is not a traditional nutritional ingredient and contains negligible macronutrients or micronutrients in its supplemental form. As a purified enzyme preparation, it consists primarily of protein in the form of the enzyme itself, with a molecular weight of approximately 60 kDa (kilodaltons). Standard commercial doses range from 10 mg to 60 mg per serving (equivalent to 20,000 to 120,000 SPU - Serratiopeptidase Units, where activity is the primary measure rather than mass). The 'Serrateric' designation refers to an enteric-coated form designed to protect the enzyme from gastric acid degradation, significantly improving bioavailability compared to non-enteric formulations; without enteric coating, the enzyme is largely denatured in stomach acid (pH 1.5–3.5) before reaching intestinal absorption sites. The active compound is the serine protease enzyme itself, with optimal activity at pH 7.5–8.5 and temperatures near 37°C (human body temperature). No meaningful vitamins, minerals, dietary fiber, fats, or carbohydrates are present in therapeutic doses. Caloric contribution is negligible (<1 kcal per dose). The bioactive compound concentration is expressed in enzymatic activity units (SPU or IU) rather than traditional nutritional metrics.

## Dosage & Preparation

No clinically studied dosage ranges, standardization details, or activity units are specified in the available research. The enzyme is commercially available as a dietary supplement in the US and as a drug in Japan/Europe. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

Serratiopeptidase is generally well tolerated at doses of 10–60 mg per day, with the most commonly reported adverse effects being mild gastrointestinal symptoms including nausea, stomach upset, and diarrhea. Because it exhibits fibrinolytic activity by degrading fibrin and fibrinogen, concurrent use with anticoagulants such as warfarin, heparin, or antiplatelet agents like aspirin and clopidogrel may increase bleeding risk and warrants medical supervision. It is contraindicated in individuals with known bleeding disorders or those scheduled for surgery within two weeks, and safety data during pregnancy and lactation is insufficient to support use in these populations. Individuals with protein allergies or hypersensitivity to microbially derived enzymes should avoid this supplement.

## Scientific Research

The research dossier explicitly notes the absence of specific human clinical trials, RCTs, or meta-analyses with no PubMed PMIDs available for key efficacy studies. Current evidence is limited to preclinical or descriptive pharmacological reviews without human trial specifics or quantitative outcomes.

## Historical & Cultural Context

Serratiopeptidase has no documented traditional medicine history, with use beginning only after its isolation from silkworm intestines in the 1960s. It gained prominence as a pharmaceutical enzyme in Japan and Europe following purification, with no pre-20th century applications noted.

## Synergistic Combinations

Bromelain, Papain, Turmeric, Boswellia, Quercetin

## Frequently Asked Questions

### What is the recommended dosage of serratiopeptidase?

Clinical studies have used doses ranging from 10 mg to 60 mg per day, often divided into two or three doses taken on an empty stomach to avoid gastric degradation. The most commonly studied dose in sinusitis and postoperative swelling trials is 30 mg daily, typically in enteric-coated tablet form to ensure the enzyme survives gastric acid and reaches the intestine intact.

### How long does serratiopeptidase take to work?

In clinical trials evaluating postoperative swelling, measurable reductions in edema were observed within 3 to 5 days of daily dosing. For chronic conditions such as sinusitis, studies typically ran for 4 weeks before significant symptom improvements were recorded, suggesting that full therapeutic effects may require consistent use over several weeks.

### Can serratiopeptidase be taken with blood thinners?

Serratiopeptidase should not be combined with anticoagulants such as warfarin or direct oral anticoagulants, nor with antiplatelet drugs like aspirin or clopidogrel, without physician oversight. Its ability to degrade fibrin and fibrinogen may potentiate the blood-thinning effects of these medications, increasing the risk of bruising or serious bleeding episodes.

### Is serratiopeptidase the same as serrapeptase?

Yes, serratiopeptidase and serrapeptase refer to the same enzyme — a serine protease isolated from Serratia marcescens bacteria. 'Serrateric' is a branded, enteric-coated delivery form of serratiopeptidase designed to protect the enzyme from stomach acid degradation, improving its bioavailability compared to non-coated formulations.

### Does serratiopeptidase help with sinus congestion?

Evidence suggests serratiopeptidase may reduce sinus congestion by cleaving disulfide bonds in mucus glycoproteins, lowering mucus viscosity and improving drainage. A randomized trial of 193 patients with chronic sinusitis found that 30 mg daily for 4 weeks significantly reduced secretion thickness and symptom burden compared to placebo, though replication in larger trials is still needed.

### What is the evidence quality for serratiopeptidase's anti-inflammatory effects?

Serratiopeptidase is proposed to reduce inflammation through protein hydrolysis and bradykinin degradation, mechanisms that are biochemically described in research. However, the clinical evidence supporting these anti-inflammatory effects has not been rigorously detailed in high-quality trials, meaning real-world efficacy in humans requires further investigation. Most available data comes from in vitro studies and traditional use in Japan and Europe rather than large randomized controlled trials. Consumers should be aware that while the mechanism is plausible, stronger clinical evidence would strengthen confidence in its effectiveness.

### Who should avoid serratiopeptidase supplementation?

Individuals with bleeding disorders or those taking anticoagulant medications should consult a healthcare provider before using serratiopeptidase due to its fibrinolytic activity, which may increase bleeding risk. People with known allergies to serratiopeptidase or other proteolytic enzymes should avoid this ingredient. Pregnant and nursing women should seek medical advice before supplementing, as safety data in these populations is limited. Those scheduled for surgery should discuss serratiopeptidase use with their surgeon, as its blood-thinning properties may interfere with hemostasis.

### How does serratiopeptidase compare to other proteolytic enzymes like bromelain or papain?

Serratiopeptidase is a bacterial protease with unique fibrinolytic properties that specifically target fibrin and fibrinogen, whereas bromelain (from pineapple) and papain (from papaya) are plant-derived proteases with broader protein-digesting capabilities. Serratiopeptidase is notable for its mucolytic effects and potential biofilm degradation, making it historically popular in Japanese and European clinical practice, while bromelain and papain are more widely recognized in Western supplement markets. The three enzymes differ in origin, substrate specificity, and traditional use patterns, though direct comparative clinical trials between them are limited. Choice among these enzymes often depends on the specific health concern and individual tolerability rather than clear superiority of one over the others.

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*Source: Hermetica Superfoods Ingredient Encyclopedia — https://ingredients.hermeticasuperfoods.com*
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