Metabolite Encyclopedia › Endocannabinoid system
Eat something fatty and your small intestine builds oleoyl ethanolamide on the spot. Its job is to send one message up to your brain: that's enough.
- Also calledOEA
- Made inYour small intestine
- Built fromOleic acid, the fat in olive oil
- Signals viaPPAR-alpha, not cannabinoid receptors
Three things worth knowing
It is a cousin of the "bliss molecule" that cannot get you high. OEA sits in the same chemical family as anandamide, the endocannabinoid named after the Sanskrit word for joy. Swap one detail in the structure and the whole behavior changes. Anandamide docks into cannabinoid receptors. OEA does not. It goes to PPAR-alpha, a switch inside the cell nucleus that governs how fat gets burned.
Your gut writes the message, your brain reads it. OEA does not travel to the brain itself. It activates nerve endings in the gut wall, and the vagus nerve carries that signal up to the brainstem. The feeling of having eaten enough is partly a chemical telegram sent from your intestine.
It runs on the clock, not just the meal. OEA levels move with feeding and fasting rather than sitting at a fixed level. That rhythm is why researchers studying it keep running into the sleep and wake literature: the same lipid signaling family that tracks when you eat also overlaps with the systems that track when you are alert.
Same family, different doors
Where you meet it in food
- Olive oil
- Almonds
- Avocado
- Cocoa
- Oats
You do not eat OEA so much as give your gut the raw material to make it. Oleic acid is the input.
Questions people actually ask
Is oleoyl ethanolamide psychoactive?
No. It is structurally related to anandamide but it does not bind cannabinoid receptors, so it has none of the effects people associate with that family.
Does your body make it or do you get it from food?
Your body makes it. Your small intestine assembles OEA from oleic acid, the fat that olive oil, almonds and avocado are rich in.
What does it have to do with sleep?
Indirectly. OEA belongs to the fatty acid ethanolamide family, which overlaps with the systems governing alertness and rest. The direct, well-replicated work on OEA itself is about appetite and fat metabolism.
Is it found in mushrooms?
It appears in AHARA's metabolomic map of its Reishi and Lion's Mane elixirs, which is how it ended up in this encyclopedia.
Oleoyl ethanolamide is one of more than 2,000 metabolites AHARA mapped across its Reishi and Lion's Mane elixirs. You can browse the rest of what is in the bottle.
Open the Metabolite EncyclopediaReferences
Piomelli D. A fatty gut feeling. Trends Endocrinol Metab. 2013;24(7):332-341. doi:10.1016/j.tem.2013.03.001
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.
