Source comparison
Intranasal vs Subcutaneous: The Routes Are Not Equivalent
This is where the search intent and the evidence diverge most sharply, so it deserves an unhedged answer: the intranasal route is the only one with a genuine human dosing precedent, and the asymmetry is not close.
This comparison does not assign a generated winner or score.
- This is where the search intent and the evidence diverge most sharply, so it deserves an unhedged answer: the intranasal route is the only one with a genuine human dosing precedent, and the asymmetry is not close.