NSTK · 01.2026Independent supplement reference
NutriStack
Edition 1.0Updated August 1, 2026

Supplement × Prescription·Evidence index

Fish Oil and Icosapent Ethyl: what the published research says

PubMed indexes 3 records that name Fish Oil and Icosapent Ethyl together, either in the title or in an interaction, co-administration, or pharmacokinetic context. Each one is listed below with its study design and, where the abstract states one, the authors’ own conclusion, quoted and linked. This page reports that literature. It does not tell you whether to combine them.

Read this first

An evidence index, not guidance.

Every statement below is attributed to a named, dated, linked source.

This page lists published research relevant to Fish Oil and Icosapent Ethyl. It deliberately does not state whether the combination is safe, whether it interacts, in which direction, at what dose, or how far apart to take them.

The research

3 studies naming Fish Oil and Icosapent Ethyl.

Strongest relevance first: papers naming both substances in the title, then human trials and systematic reviews.

Randomized Trial for Evaluation in Secondary Prevention Efficacy of Combination Therapy-Statin and Eicosapentaenoic Acid (RESPECT-EPA).

Circulation · 2024 · PMID 38873793

Randomized Controlled TrialMulticenter Study1225 participants

“Icosapent ethyl treatment resulted in a numerically lower risk of cardiovascular events that did not reach statistical significance in patients with chronic coronary artery disease, a low EPA/AA ratio, and statin treatment.”

Miyauchi et al. · Authors' conclusion

Names Fish Oil and Icosapent Ethyl together in an interaction, co-administration, or pharmacokinetic context.

Comparison table: Some lipid-lowering drugs.

The Medical letter on drugs and therapeutics · 2019 · PMID 30845107

Comparative StudyHuman subjects

Names Fish Oil and Icosapent Ethyl together in an interaction, co-administration, or pharmacokinetic context.

Limitations

What this evidence cannot tell you.

Search-based evidence indexes have real limits, and it is worth being explicit about them:

NutriStack

Track what you actually take.

NutriStack is a free iPhone app for organising a supplement routine: what you take, when, and what the published record says about it. Its exploratory interaction checker covers Fish Oil, Icosapent Ethyl, and several hundred other substances.

The checker is a research and organisation tool, not a clinical decision aid, and its per-pair assessments are excluded from search until they pass claim-level review.

NutriStack is an informational and organizational tool, not a medical service, and not a substitute for professional advice. Always consult a qualified healthcare professional before starting, stopping, or changing any supplement or medication.