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Lumbrokinase

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Lumbrokinase is a fibrinolytic enzyme derived from earthworm (Lumbricus rubellus) that breaks down fibrin and supports circulatory health. It is traditionally used in Asian medicine to improve blood flow and reduce clot formation. Research on its efficacy in Western medicine remains limited and ongoing.

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Benefits

Supports fibrinolysis and may reduce excessive blood clotting
May improve circulation and blood flow
Potential support for cardiovascular health
May help reduce inflammation-related fibrin accumulation
Traditional use for promoting healthy vascular function

Dosage

Typical Dose

300-600 mg daily (20,000-40,000 units)

Upper Limit

1,200 mg daily in divided doses

Timing

On an empty stomach or with meals; consistency recommended

Forms & Bioavailability

Capsules

Moderate (enteric-coated recommended)

Tablets

Moderate

Powder

Variable

Side Effects

Increased bleeding risk or bruising at higher doses
Gastrointestinal upset, nausea, or abdominal discomfort
Rare allergic reactions or anaphylaxis

Interactions

May potentiate anticoagulants (warfarin, apixaban) and antiplatelet agents (aspirin)
Concurrent use with other fibrinolytic supplements (nattokinase, serrapeptase) increases bleeding risk
May interact with NSAIDs, potentially increasing gastrointestinal and bleeding complications

Research Summary

Lumbrokinase has been studied in Asian clinical trials for cardiovascular and thrombotic conditions, with some positive results; however, most studies lack rigorous methodological standards by Western medical criteria. Limited peer-reviewed research exists in mainstream Western literature, and most evidence remains preliminary or unpublished. Further high-quality randomised controlled trials are needed to establish safety and efficacy in diverse populations.

The Bottom Line on Lumbrokinase

Lumbrokinase is moderately researched with promising but sometimes mixed evidence.It is most commonly used for supports fibrinolysis and may reduce excessive blood clotting and may improve circulation and blood flow. As with any supplement, individual results vary. Start with the lower end of the dosage range and assess for 4-8 weeks before adjusting.

About Our Research

This profile is compiled from peer-reviewed research published on PubMed, the NIH Office of Dietary Supplements, and established nutritional science databases. Dosages reflect clinically-studied amounts from human trials where available. We update profiles as new research emerges. This is not medical advice — consult a healthcare professional before supplementing.

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Disclaimer: This information is for educational purposes only and is not medical advice. Always consult a healthcare professional before starting any supplement, especially if you have existing health conditions or take medication.

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