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Formulated Palmitoylethanolamide Supplementation Improves Parameters of Cognitive Function and BDNF Levels in Young, Healthy Adults: A Randomised Cross-Over Trial

Kim N, Parolin B, Renshaw D, Deb SK, Zariwala MG. Nutrients, 2024; 16(4):489.

Randomised controlled trialHumans

Design
Randomised controlled trial
Subjects
54 healthy young adults recruited. 39 completed.
Dose used in the study
700 mg a day of Levagen+
Duration
6 weeks on each of palmitoylethanolamide and placebo, with a 6-week washout between
What was measured
Serum BDNF. Memory, attention and executive function on the CANTAB test battery.

What the authors reported

Serum BDNF rose more on palmitoylethanolamide than placebo (p = 0.0057), with better scores on two measures of one memory task. There was no effect on attention or executive function.

Limits of this study

27% of participants dropped out. The participants were healthy young adults. The link between the BDNF change and the memory scores was not statistically significant. Diet was not controlled. The study received funding from Gencor Pacific.

Source

doi:10.3390/nu16040489

Entry checked against the full text at the publisher (MDPI) on 2026-09-21. The dose shown is the dose the researchers used. It is not a recommendation. How to read this page.