PlainPill

Oleoylethanolamide

People mainly take Oleoylethanolamide for appetite. Based on 4 first-hand reports and 6 meta-analyses & systematic reviews in the medical literature. Ranked #2266 of 3,539 overall.

14
User score
Mostly positive
25% positive0% mixed0% negative75% unclear

Of reports that state an outcome, 100% are positive.

Clinical research
AStrong research base
6
meta-analyses
32
RCTs
688
papers

What Oleoylethanolamide does, according to users

Of the people who reported each effect, the share who said it got better.

betterno changeworse

What the research says

Systematic reviews and meta-analyses from PubMed, with their published conclusions.

AStrong research base

3+ meta-analyses or systematic reviews and 10+ randomized controlled trials in humans. The grade measures how much human research exists — read the conclusions below for what it found.

Clin Exp Pharmacol Physiol · 2020 · Meta-analysis / systematic review
A systematic review of the effects of oleoylethanolamide, a high-affinity endogenous ligand of PPAR-α, on the management and prevention of obesity

Conclusion: OEA also exerts satiety-inducing effects by activating the hedonic dopamine pathways and increasing homeostatic oxytocin and brain histamine. In conclusion, OEA may be a key component of the physiological system involved in the regulation of dietary fat consumption and energy homeostasis; therefore, it is suggested as a possible therapeutic agent for the management of obesity.

PubMed 31868943 ↗
Obes Rev · 2019 · Meta-analysis / systematic review
The effects of oleoylethanolamide, an endogenous PPAR-α agonist, on risk factors for NAFLD: A systematic review

Conclusion: In summary, many beneficial effects of OEA have led to the understanding that OEA may be an effective therapeutic strategy for the management of NAFLD. Although a wide range of studies have demonstrated the most useful effects of OEA on NAFLD and the associated risk factors, further clinical trials, from both in vivo studies and in vitro experiments, are warranted to verify these outcomes.

PubMed 31111657 ↗
Adv Nutr · 2020 · Meta-analysis / systematic review
The Effects of Diets Enriched in Monounsaturated Oleic Acid on the Management and Prevention of Obesity: a Systematic Review of Human Intervention Studies

Conclusion: Other proposed mechanisms include the prevention of the nucleotide-binding oligomerization domain-like receptor 3/caspase-1 inflammasome pathway, the induction of oleoylethanolamide synthesis, and possibly the downregulation of stearoyl-CoA desaturase 1 activity. In summary, current findings lend support to advice not restricting consumption of OA-rich meals so as to maintain a healthy body weight.

PubMed 32135008 ↗

Dosage people report

As stated by users — not a recommendation. Follow the label or your doctor.

No doses stated in the reports so far.

Reported side effects

How often each side effect came up across all reports.

No side effects reported so far.

What users say

First-hand experiences, quoted verbatim. We show one positive and one negative where both exist.

“I experience an appetite decrease, mild but useful, IME. Not a stimulant, it’s a PPAR agonist.”
HelpedRead the discussion ↗
“I’ve also found Oleoylethanolamide to be a helpful non-stimulant appetite suppressant”
Read the discussion ↗
Top discussions (4)

Other options for appetite

User data from public discussions; research from PubMed. Information only, not medical advice — talk to a doctor before starting, stopping or combining anything. Data updated October 3, 2026. How we rate