Oleoylethanolamide
At a glance
- Best for
- adults wanting appetite/weight support, accepting preliminary evidence
- Typical dose
- Commonly ~100–300 mg/day per product labels
- Time to effect
- Weeks
- Main caution
- Human efficacy is unproven; not a substitute for diet
What is it
Oleoylethanolamide (OEA) is a naturally occurring lipid mediator produced in the gut from oleic acid that signals satiety, mainly by activating the PPAR-alpha receptor. It is sold as a supplement for appetite control and weight management. Human evidence is early and limited, with most support coming from animal and mechanistic studies.
Is it worth it for you?
Worth considering if…
- You want to trial an appetite-modulating supplement alongside diet
- You will track intake and weight and stop if there is no effect
Probably skip if…
- You expect substantial weight loss on its own
- You want proven, replicated human results
- You are pregnant or have an eating disorder
Evidence at a glance
| Goal | Evidence | Effect | Best fit | Time |
|---|---|---|---|---|
| appetite control and weight management | Limited Evidence | Small/uncertain | adults using it as an adjunct to a reduced-calorie diet | Weeks |
Evidence for 1 use
AI-assisted evidence assessment — talk to your doctor before relying on any single supplement.
appetite control and weight management
Supplement benefitOEA is a well-characterized satiety signal that reduces food intake and body weight in animal models via PPAR-alpha. A small number of human studies suggest modest effects on appetite or weight when combined with diet, but trials are few, small and sometimes use related formulations. Clinical benefit in people remains preliminary.
Bottom line: A mechanistically sound satiety mediator with only preliminary human weight data.
Evidence is mixed
Strong animal/mechanistic data are not yet matched by robust, replicated human trials.
How to take it
- Typical dose
- ~100–300 mg/day per label
- Timing
- Before meals (aligns with its satiety role)
- With food
- Shortly before food
- How long to try
- Trial 8–12 weeks and reassess
What to track
- Appetite and portion sizes
- Body weight
- GI tolerance
Safety
Common side effects
Mild GI upset, Nausea
Who should avoid it
- Pregnant or breastfeeding people
- People with eating disorders
- Children
Pregnancy & breastfeeding
Avoid; safety has not been established.
Choosing a product
Look for
- Stated mg of oleoylethanolamide per serving
- Purity and third-party testing
- No undisclosed stimulant blends
Be skeptical of
- Effortless fat loss
- Clinically proven weight-loss drug
- Appetite cure
References by claim
appetite control and weight management
- Laleh et al., 2018 — PubMed (2018) link
Track Oleoylethanolamide with Pilora
Set up dose reminders, check interactions, and join the community in the Pilora iPhone app.
Coming to App StoreDisclaimer: These statements have not been evaluated by the FDA. This page is educational, not a substitute for personalized medical advice. Evidence grades are AI-assisted assessments — talk to your doctor before starting any new supplement, especially if you’re pregnant, breastfeeding, on medications, or managing a chronic condition.