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Types of Palmitoylethanolamide (PEA): Forms & Bioavailability

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Forms Comparison

FormBioavailabilityBest For
Micronized PEA (um-PEA)HighRecommended form — particle size reduction dramatically improves absorption and clinical efficacy
Ultra-Micronized PEAVery HighMaximum absorption — even smaller particle size; used in most clinical trials
Standard PEA PowderLowNot recommended — poor absorption due to lipophilic nature and large particle size

Micronized PEA (um-PEA)

Bioavailability: High. Best for: Recommended form — particle size reduction dramatically improves absorption and clinical efficacy.

Ultra-Micronized PEA

Bioavailability: Very High. Best for: Maximum absorption — even smaller particle size; used in most clinical trials.

Standard PEA Powder

Bioavailability: Low. Best for: Not recommended — poor absorption due to lipophilic nature and large particle size.

References

  1. (). Palmitoylethanolamide, a special food for medical purposes, in the treatment of chronic pain: a pooled data meta-analysis. Pain Physician.
  2. (). Therapeutic utility of palmitoylethanolamide in the treatment of neuropathic pain associated with various pathological conditions: a case series. Journal of Pain Research. DOI
  3. (). The pharmacology of palmitoylethanolamide and first data on the therapeutic efficacy of some of its new formulations. British Journal of Pharmacology. DOI