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Nattokinase vs Omega-3 (EPA/DHA) — Which Should You Take?

Nattokinase

herbs

Typically £8–£25/month

Omega-3 (EPA/DHA)

amino acids

Typically £8–£25/month
Feature
Nattokinase
Omega-3 (EPA/DHA)
Typical Dosage
2000 FU (fibrinolytic units) daily
1-2g combined EPA/DHA daily
Best Form
Capsule (standardised extract)
Fish Oil (Triglyceride form)
Key Benefits
5 listed
5 listed
Evidence Rating
★★★★
★★★★★
Best Time
On an empty stomach, 2-4 hours before or after meals for optimal absorption
With meals containing fat
Upper Limit
4000 FU daily
5g daily
Side Effects
3 noted
3 noted

Nattokinase Benefits

May support healthy blood circulation and fibrinolysis
Potential cardiovascular health maintenance
May help reduce blood viscosity
Possible support for healthy clotting balance
Traditional use in Japanese medicine for vitality

Omega-3 (EPA/DHA) Benefits

Heart health — reduces triglycerides
Brain function and mental clarity
Anti-inflammatory effects
Joint health
May reduce depression symptoms (EPA specifically)

Nattokinase Side Effects

Rare mild gastrointestinal upset or nausea
Potential increased bleeding risk at high doses, particularly in susceptible individuals
Allergic reactions in those with soy sensitivity

Omega-3 (EPA/DHA) Side Effects

Fish burps (use enteric-coated capsules)
Mild blood thinning at high doses
Rare: fishy aftertaste

Can You Take Nattokinase and Omega-3 (EPA/DHA) Together?

In most cases, Nattokinase and Omega-3 (EPA/DHA) can be taken together safely. However, always check the interactions section of each supplement and consult a healthcare professional if you take medication or have existing health conditions.

Nattokinase: May potentiate anticoagulants (warfarin, apixaban) and antiplatelet agents (aspirin, clopidogrel)

Nattokinase: Potential interaction with blood pressure medications

Omega-3 (EPA/DHA): Blood thinners (warfarin, aspirin) — increases bleeding risk

Omega-3 (EPA/DHA): Blood pressure medications — additive effect

Which Should You Choose?

Choose Nattokinase if your primary goal is: may support healthy blood circulation and fibrinolysis. Choose Omega-3 (EPA/DHA) if your primary goal is: heart health — reduces triglycerides.

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Frequently Asked Questions

Is Nattokinase better than Omega-3 (EPA/DHA)?

It depends on your goals. Nattokinase and Omega-3 (EPA/DHA) serve different purposes and are often taken together.

Can I take Nattokinase and Omega-3 (EPA/DHA) together?

In most cases, yes. Nattokinase and Omega-3 (EPA/DHA) can be taken together safely. However, always check for specific interactions and consult a healthcare professional if you take medication.

What is the best time to take Nattokinase?

On an empty stomach, 2-4 hours before or after meals for optimal absorption

What is the best time to take Omega-3 (EPA/DHA)?

With meals containing fat

What are the side effects of Nattokinase?

Rare mild gastrointestinal upset or nausea. Potential increased bleeding risk at high doses, particularly in susceptible individuals. Allergic reactions in those with soy sensitivity.

What are the side effects of Omega-3 (EPA/DHA)?

Fish burps (use enteric-coated capsules). Mild blood thinning at high doses. Rare: fishy aftertaste.

How We Compare Supplements

This comparison is based on published clinical research, peer-reviewed studies from PubMed, and established nutritional science. We evaluate dosages based on clinically-effective amounts, not manufacturer recommendations. Benefits listed have at least moderate evidence from human studies. When evidence is limited or conflicting, we note this.

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

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