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Compound

OEA (Oleoylethanolamide)

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OEA (Oleoylethanolamide). Endogenous lipid for appetite regulation.

How it works. Activates PPAR-α; reduces food intake via vagal afferents.

What the research supports. 1 graded claims. Strongest: Reduces appetite (moderate).

How much to take. Typical dose: 100–200 mg.

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

Stacking. Pairs well with A high-quality multivitamin, 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 OEA (Oleoylethanolamide). Anecdotes are not medical advice.

OEA (Oleoylethanolamide). Endogenous lipid for appetite regulation.

Molecular structureC20H39NO2 · 325.5 g/mol

What it is

Endogenous lipid for appetite regulation.

Food sources

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

How it works

Activates PPAR-α; reduces food intake via vagal afferents.

Pathways

  • Activates PPAR-α
  • reduces food intake via vagal afferents

Effects

  • ↓appetite decreases

What the research supports

Reduces appetitemoderate

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
100–200 mg
TimingConsistent daily timing recommended; split larger doses if GI tolerance is a concern.
With foodWith a meal containing fat for fat-soluble compounds; otherwise either.
Best formMost evidence is based on the capsule or softgel form.
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Side effects & interactions

Common side effects

  • GI upset

Medication interactions

Prescription medications (general)minor

Always disclose OEA (Oleoylethanolamide) 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

  • A high-quality multivitaminCovers micronutrient cofactors that support most supplement pathways.
  • Omega-3 (EPA/DHA)Foundational anti-inflammatory support that complements most regimens.

Common forms

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

Key studies

8 studies cited in total.

PubMed: OEA (Oleoylethanolamide) — Reduces appetite ↗
Systematic review · PubMed (NLM) · 2026

Opens current human and preclinical literature matching OEA (Oleoylethanolamide) and "Reduces appetite". Filter by RCT, meta-analysis, or year on the results page.

PubMed: OEA (Oleoylethanolamide) — randomized controlled trial ↗
Systematic review · PubMed (NLM) · 2026

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

PubMed: OEA (Oleoylethanolamide) — meta-analysis ↗
Systematic review · PubMed (NLM) · 2026

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

Discussion

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