A 62-year-old male is found slumped in his car at the roadside. His engine is off. He has a GCS of 9, pinpoint pupils, respiratory rate of 6, and multiple used syringes are visible on the passenger seat. SpO2 is 72%. After establishing an airway and commencing BVM ventilation, you administer naloxone 800 micrograms IN (intranasal). What is the advantage of the intranasal route in this scenario?