Pepti-Tone There are many peptides on the current market that claim to block or weaken messages from the brain to the receptors on the cells of muscle tissue. To understand this neurological process, one must understand how cell-to-cell communication works. Last Update: May 11, 2019 October 27, 2018 2274Technical DocumentsRelated Knowledge Base Posts -Vitamin A: Retinoids and CarotenoidsLED & Light TherapiesRejuvenator and Pepti-Repair