Clinicaltrials.gov was searched for registered analyze protocols. The search phrases “palmitoylethanolamide” and “ache” resulted in 13 entries, of which three have been accomplished. None of them fulfilled our eligibility criteria. That is a preview of subscription content material, log in through an institution to check access. Accessibility this article https://claytonqkdtk.blog2news.com/30370281/the-greatest-guide-to-palmitoylethanolamide