Use GHK-Cu and vitamin C in separate routines, morning versus evening, or at least 30 minutes apart
Once the first dose is drawn from a vial or the first injection given from a pen, the in-use period begins
In wild-type mice, intraperitoneal CGRP increased auditory brainstem response, reduced vestibular sensory evoked potential amplitudes, and heightened sound-evoked startle and postural sway, which parallels phonophobia and balance issues in vestibular migraine (VM)
This created a number of challenges for the industry, including inaccessibility, lack of representation, and intense competition for participants
What matters here is the relative change, not the precision of any single reading