It suffers from bioavailability issues, and the CNS-targeting theory remains unvalidated for this specific compound
Those same amino acids also help repair tendons, ligaments, skin, and even the collagen framework that holds everything together
A meta-analysis of 18 RCTs confirmed PRPs superiority over placebo and corticosteroid injections, highlighting long-term benefits in pain reduction and tendon healing (PMID: 32073993)
It helps make DNA and genetic material in all cells, prevents certain types of anemia, and helps maintain productive energy levels
Occasional mild injection-site reactions or transient sleep pattern changes may occur
Anyone comparing the two routes should treat that as an open question, not a solved one