Palmitoylethanolamide (PEA)
Research indicates that palmitoylethanolamide (PEA) may support pain management and inflammatory responses through endocannabinoid system modulation.
Human Trials
18
1,247 participants
Risk Level
Monthly Cost
Varies by formulation (micronized vs standard) and dosage
Quick Facts
- Category
- Supplement
- Research Field
- Supplements
- Evidence Grade
- B- – Promising
- Risk Level
- Low
- Monthly Cost
- $25 – $80
- Human Trials
- 18
Typical Dose
600 mg, twice daily (1200 mg/day)
Range
600–1800 mg/day
For informational purposes only – not medical advice. See disclaimer
Research Velocity
Mechanism of Action
PEA acts as an endogenous fatty acid amide that modulates the endocannabinoid system by binding to peroxisome proliferator-activated receptor alpha (PPAR-α) and potentially enhancing anandamide signaling through the "entourage effect." Research suggests it may reduce neuroinflammation by inhibiting mast cell degranulation and modulating microglial activation. Studies indicate PEA may also influence pain perception through interactions with vanilloid receptors and calcium channels.
Overview
Palmitoylethanolamide (PEA) is an endogenous fatty acid amide that belongs to the family of endocannabinoids, naturally produced by the body in response to tissue damage and inflammation. Research indicates that PEA supplementation may support the body's natural pain and inflammatory response mechanisms through its interaction with the endocannabinoid system, particularly via PPAR-α receptors and potential enhancement of anandamide signaling.
Clinical studies suggest that PEA may be beneficial for various pain conditions, including neuropathic pain, fibromyalgia, and chronic inflammatory conditions. The compound appears to work by modulating neuroinflammation, reducing mast cell activation, and influencing pain perception pathways. Research indicates that micronized formulations may offer improved bioavailability compared to standard preparations.
While studies suggest PEA has a favorable safety profile with minimal reported side effects, the research base consists primarily of smaller clinical trials and pilot studies. Most trials have used dosages ranging from 300-1200mg daily, with micronized formulations potentially requiring lower doses. As a naturally occurring compound, PEA is generally well-tolerated, though individuals should consult healthcare providers before use, particularly those with existing medical conditions or taking medications.
Known Interactions
- May enhance effects of other cannabinoid compounds when used concurrently
- Potential interactions with cytochrome P450 enzymes, though clinical significance unclear
- May theoretically affect anticoagulant medications, though no documented cases reported
Legal Status by Country
Your country (United States)
Available without prescription in:
Australia, Brazil, Canada, China, Colombia, Germany, India, Israel, Japan, Mexico, Netherlands, Panama, Russia, South Korea, Switzerland, Thailand, Turkey, UAE, United Kingdom, United States
📍 = your selected country · ✈️ = medical tourism destination · Always verify current local regulations before travel.
Key Research
- 2015
Mechanistic overview of PEA's role in pain modulation
- 2021
Comprehensive review of PEA's clinical applications
- 2017
Systematic review of clinical trials for pain management
- 2019Ultramicronized palmitoylethanolamide in fibromyalgia: a randomized, double-blind, placebo-controlled trial
RCT demonstrating efficacy in fibromyalgia patients
- 2020Palmitoylethanolamide reduces pain-related behaviors and restores glutamatergic synapses homeostasis
Preclinical study on pain mechanisms and synaptic function
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Last verified: 2026-03-19