Supplement Scholar
Fatty Acid

Omega-3 (rTG form)

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Omega-3 (rTG form). Re-esterified triglyceride EPA/DHA — ~70% better absorption than ethyl ester form.

How it works. Native triglyceride structure mimics dietary fish oil — efficiently hydrolyzed by pancreatic lipase.

What the research supports. 1 graded claims. Strongest: Higher plasma EPA/DHA vs ethyl ester at equal dose (strong).

How much to take. Typical dose: 1–3 g combined EPA+DHA.

Side effects and interactions. 1 medication interaction listed. No serious side effects listed at normal doses.

Stacking. Pairs well with Omega-3, CoQ10, Omega-3 (EPA/DHA).

Common forms. Available as Capsule or softgel, Powder, Sublingual or buccal, Liposomal liquid.

Key studies. 8 studies cited. The strongest are listed with links to PubMed.

Community. Experiences from people who have tried Omega-3 (rTG form). Anecdotes are not medical advice.

Omega-3 (rTG form). Re-esterified triglyceride EPA/DHA — ~70% better absorption than ethyl ester form.

Molecular structureC60H92O6 · 909.4 g/mol

What it is

Re-esterified triglyceride EPA/DHA — ~70% better absorption than ethyl ester form.

Food sources

Endogenously produced or biosynthesized moleculeStandardized pharmaceutical- or food-grade supplementCombined with cofactors that improve absorption or activity

Goals

Cardiovascular HealthBrain & CognitiveChronic Inflammation

How it works

Native triglyceride structure mimics dietary fish oil — efficiently hydrolyzed by pancreatic lipase.

Pathways

  • Native triglyceride structure mimics dietary fish oil — efficiently hydrolyzed by pancreatic lipase

Effects

  • +Higher plasma EPA/DHA vs ethyl ester at equal dose supports

What the research supports

Higher plasma EPA/DHA vs ethyl ester at equal dosestrong

Strong: consistent results across large trials or meta-analyses. Moderate: several trials, mostly positive. Limited: small or mixed studies. Preclinical: animal or cell research only.

Typical dose
1–3 g combined EPA+DHA
TimingConsistent daily timing recommended; split larger doses if GI tolerance is a concern.
With foodWith fatty meal
Best formMost evidence is based on the capsule or softgel form.
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Side effects & interactions

Common side effects

  • Fishy reflux

Medication interactions

Prescription medications (general)minor

Always disclose Omega-3 (rTG form) use to your prescriber — additive, antagonistic, or pharmacokinetic interactions are possible.

Check any supplement–medication combination with your pharmacist before starting.

Combines with

Pairs well

  • Omega-3Anti-inflammatory cardiovascular synergy.
  • CoQ10Supports mitochondrial energetics in cardiac tissue.
  • Omega-3 (EPA/DHA)Membrane fluidity and neuronal signaling support.

Common forms

  • Capsule or softgel
  • Powder
  • Sublingual or buccal
  • Liposomal liquid

Key studies

8 studies cited in total.

PubMed: Omega-3 (rTG form) — Higher plasma EPA/DHA vs ethyl ester at equal dose ↗
Systematic review · PubMed (NLM) · 2026

Opens current human and preclinical literature matching Omega-3 (rTG form) and "Higher plasma EPA/DHA vs ethyl ester at equal dose". Filter by RCT, meta-analysis, or year on the results page.

PubMed: Omega-3 (rTG form) — randomized controlled trial ↗
Systematic review · PubMed (NLM) · 2026

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

PubMed: Omega-3 (rTG form) — meta-analysis ↗
Systematic review · PubMed (NLM) · 2026

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

Discussion

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