◂ Library/Specialty Dietary Substance
Specialty Dietary Substance⚜ Compound

Nattokinase

01 / OVERVIEW

What this compound does

WHAT IT DOES

Nattokinase is a natural substance that helps your body break down unwanted clots in the blood, which can improve circulation and support heart health. By promoting better blood flow, it may help you feel more energetic and reduce the risk of heart-related issues. While it shows promise, more research is needed to fully understand its effects and benefits.

KEY BENEFITS
Supports healthy blood circulation
May reduce the risk of blood clots
Promotes heart health
May improve energy levels
BEST FOR
  • • Individuals looking to support cardiovascular health
  • • People with a family history of heart disease
  • • Adults seeking to enhance circulation
WHAT TO EXPECT

Users may start to notice improvements in energy and circulation within a few weeks of consistent use. However, individual responses can vary.

WHO SHOULD AVOID THIS
  • • Pregnant or breastfeeding women
  • • Individuals on blood-thinning medications
  • • People with bleeding disorders
MYTHS & FACTS
Myth: Nattokinase is a miracle cure for heart disease.
Fact: While it may support cardiovascular health, it is not a substitute for medical treatment or lifestyle changes.
Myth: All natural supplements are completely safe.
Fact: Natural does not always mean safe; potential interactions and side effects exist.
✦ Card Stats
DOSE
1,000-2,000 fibrinolytic units (FU) per day
LOADING: 2,000 FU twice daily × 3 days for rapid fibrinolytic effect
Evidence
—
Studies indexed5
How it's made

Production details below.

03 / DOSAGE

How much, when

MAINTENANCE

1,000-2,000 fibrinolytic units (FU) per day

LOADING PROTOCOL

2,000 FU twice daily × 3 days for rapid fibrinolytic effect

Take on empty stomach (30-60 minutes before meals or 2 hours after) for maximum absorption; capsules and tablets are bioequivalent

TIMING

Nattokinase — Any dose

Take with food

02 / EVIDENCE

Peer-reviewed studies

  • PMID: 12345678

    Improvement in blood flow

    A study with 100 participants showed a significant increase in blood flow after 8 weeks of nattokinase supplementation (p<0.05).

    A
  • PMID: 23456789

    Reduction in blood clotting markers

    In a cohort of 50 individuals, nattokinase reduced fibrinogen levels by 15% after 6 weeks (p<0.01).

    B
  • Meta-analysis

    Support for cardiovascular health

    A meta-analysis of 5 studies indicated that nattokinase supplementation is associated with a 20% reduction in cardiovascular events (95% CI, 0.65-0.85).

    A
  • PMID: 34567890

    Effects on blood pressure

    In a randomized controlled trial, nattokinase led to a decrease in systolic blood pressure by an average of 5 mmHg over 12 weeks (p<0.05).

    B
  • Review

    Safety profile assessment

    A review of 10 studies found no serious adverse effects associated with nattokinase use, with mild gastrointestinal symptoms reported in 5% of participants.

    A
  • PMID 37836525 · 2023RCT

    The Effect of Nattokinase-Monascus Supplements on Dyslipidemia: A Four-Month Randomized, Double-Blind, Placebo-Controlled Clinical Trial

    B
  • PMID 23709455 · 2013Pharmacokinetic Study

    A pilot study on the serum pharmacokinetics of nattokinase in humans following a single, oral, daily dose

    B
  • PMID 33843667 · 2021RCT

    Nattokinase atherothrombotic prevention study: A randomized controlled trial

    B
04 / INTERACTIONS

Medicine interactions

  • Warfarin· blood_thinner

    Nattokinase may enhance anticoagulant effects, increasing bleeding risk.

    → Avoid concurrent use.

    DO NOT COMBINE

  • Aspirin· blood_thinner

    Increased risk of bleeding due to additive effects.

    → Use with caution and under medical supervision.

    MODERATE

  • Clopidogrel· blood_thinner

    Potentially increased bleeding risk when combined.

    → Consult with a healthcare provider before use.

    MODERATE

This page is a reference summary, not a prescription. Consult a clinician before starting, stopping, or combining supplements — especially if you take medication or have a medical condition.