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Supplements/Fatty Acid

EPA-Only Omega-3

Pure EPA reduces residual cardiovascular risk on statins.

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Overview

Pure EPA reduces residual cardiovascular risk on statins.

Natural sources
  • Endogenously produced or biosynthesized molecule
  • Standardized pharmaceutical- or food-grade supplement
  • Combined with cofactors that improve absorption or activity
Common forms
  • Capsule or softgel
  • Powder
  • Sublingual or buccal
  • Liposomal liquid

Forms & variants of Omega-3 (EPA/DHA)

Different chemical forms of Omega-3 (EPA/DHA) behave differently. Browse each form's mechanism, bioavailability, and best-use context.

Mechanism of action

Lowers triglycerides via PPAR-α activation and reduces vascular inflammation.

Pathways
  • · Lowers triglycerides via PPAR-α activation
  • · reduces vascular inflammation

Effects on the body

Decreases
major CV events in high-risk patients (REDUCE-IT)

Organ system effects

Cardiovascular

EPA-Only Omega-3 supports endothelial function, lipid profile, or blood-pressure regulation in cardiovascular trials.

Brain & CNS

EPA-Only Omega-3 modulates monoaminergic and GABAergic tone relevant to mood and anxiety regulation.

Evidence-based benefits

Reduces major CV events in high-risk patients (REDUCE-IT)

Strong evidence

Potential side effects

Common
  • · Fishy aftertaste
  • · Bleeding tendency
Rare
  • · Atrial fibrillation
Serious

    Drug interactions

    Prescription medications (general)
    Always disclose EPA-Only Omega-3 use to your prescriber — additive, antagonistic, or pharmacokinetic interactions are possible.
    minor

    Supplement interactions

    Pairs well with
    • Omega-3
      Anti-inflammatory cardiovascular synergy.
    • CoQ10
      Supports mitochondrial energetics in cardiac tissue.
    Avoid combining with

    No specific avoidances listed.

    Dosing & bioavailability

    Typical dose
    2–4 g/day (Rx)
    Best form
    Most evidence is based on the capsule or softgel form.
    Timing
    Consistent daily timing recommended; split larger doses if GI tolerance is a concern.
    With food?
    With food

    Where to buy

    Affiliate links — we may earn a commission at no extra cost to you. Amazon code supplementsch-20 is auto-applied at checkout. We don't endorse specific brands; verify third-party testing (USP, NSF, Informed Sport) before purchase.

    Scientific evidence8Show studies
    RCTN Engl J Med · 2019

    REDUCE-IT trial

    Bhatt DL, et al.

    5-year DB-RCT in 8179 high-risk patients on statins.

    Key findings

    4 g/day icosapent ethyl reduced MACE by 25%.

    Open study
    Systematic reviewPubMed (NLM) · 1970

    PubMed: EPA-Only Omega-3 — Reduces major CV events in high-risk patients

    Live PubMed search

    Live results for "EPA-Only Omega-3 Reduces major CV events in high-risk patients" across the PubMed/MEDLINE peer-reviewed index.

    Key findings

    Opens current human and preclinical literature matching EPA-Only Omega-3 and "Reduces major CV events in high-risk patients". Filter by RCT, meta-analysis, or year on the results page.

    Open study
    Systematic reviewPubMed (NLM) · 1970

    PubMed: EPA-Only Omega-3 — randomized controlled trial

    Live PubMed search

    Live results for "EPA-Only Omega-3 randomized controlled trial" across the PubMed/MEDLINE peer-reviewed index.

    Key findings

    Opens current human and preclinical literature matching EPA-Only Omega-3 and "randomized controlled trial". Filter by RCT, meta-analysis, or year on the results page.

    Open study
    Systematic reviewPubMed (NLM) · 1970

    PubMed: EPA-Only Omega-3 — meta-analysis

    Live PubMed search

    Live results for "EPA-Only Omega-3 meta-analysis" across the PubMed/MEDLINE peer-reviewed index.

    Key findings

    Opens current human and preclinical literature matching EPA-Only Omega-3 and "meta-analysis". Filter by RCT, meta-analysis, or year on the results page.

    Open study
    Systematic reviewPubMed (NLM) · 1970

    PubMed: EPA-Only Omega-3 — pharmacokinetics

    Live PubMed search

    Live results for "EPA-Only Omega-3 pharmacokinetics" across the PubMed/MEDLINE peer-reviewed index.

    Key findings

    Opens current human and preclinical literature matching EPA-Only Omega-3 and "pharmacokinetics". Filter by RCT, meta-analysis, or year on the results page.

    Open study
    Systematic reviewPubMed (NLM) · 1970

    PubMed: EPA-Only Omega-3 — safety adverse events

    Live PubMed search

    Live results for "EPA-Only Omega-3 safety adverse events" across the PubMed/MEDLINE peer-reviewed index.

    Key findings

    Opens current human and preclinical literature matching EPA-Only Omega-3 and "safety adverse events". Filter by RCT, meta-analysis, or year on the results page.

    Open study
    Systematic reviewPubMed (NLM) · 1970

    PubMed: EPA-Only Omega-3 — dose response

    Live PubMed search

    Live results for "EPA-Only Omega-3 dose response" across the PubMed/MEDLINE peer-reviewed index.

    Key findings

    Opens current human and preclinical literature matching EPA-Only Omega-3 and "dose response". Filter by RCT, meta-analysis, or year on the results page.

    Open study
    Systematic reviewGoogle Scholar · 1970

    Google Scholar: EPA-Only Omega-3 — clinical evidence

    Live Scholar search

    Cross-database citation index for EPA-Only Omega-3 as it relates to "clinical evidence".

    Key findings

    Includes preprints, theses, and journal articles. Useful for tracking citation counts and follow-on work.

    Open study
    Educational use only. This profile is not medical advice. Consult a qualified healthcare professional before starting any supplement, especially if you take prescription medication or have a chronic condition.

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