Phenethylamine (PEA) — answers to PEA
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A small trace amine that occurs naturally in the human brain and in foods such as chocolate. The version sold in supplements is typically made synthetically rather than extracted from food.
Why it’s used
Taken by some for mood, focus, or a feeling of stimulation, based on its role as a brain trace amine.
What the evidence says
Oral PEA is broken down very quickly by an enzyme (monoamine oxidase B) in the gut and liver, so how much reaches the bloodstream or brain after swallowing a supplement is unclear. There is little to no controlled human trial evidence on oral PEA supplementation for any effect.
Where we looked
There was no paper to cite here, so this is the search instead — run it yourself and see what we saw.
- PubMed: 0 records · searched August 2026
"Phenethylamine"[Title/Abstract] AND ("dietary supplements"[MeSH] OR supplementation[Title/Abstract] OR supplement[Title/Abstract] OR supplements[Title/Abstract] OR "oral administration"[Title/Abstract]) AND (randomized controlled trial[pt] OR clinical trial[pt] OR meta-analysis[pt] OR systematic review[pt]) AND humans[MeSH] - PubMed: 1149 records · searched August 2026
"Phenethylamine"[Title/Abstract]
This says what this database holds under these terms. It is not a finding that no research exists.
Context
Most of what is known about PEA's activity comes from its role as an endogenous brain amine, not from trials of the oral supplement form; dosing in commercial products has not been studied in a systematic way.
Educational information, not medical or safety advice. Consult a professional for allergies or medical concerns.