Can you snort 20 mg extended release adderall lasts ? Home › Forums › Book Club Discussion › Can you snort 20 mg extended release adderall lasts ? Tagged: Can you snort 20 mg extended release adderall lasts ? This topic has 0 replies, 1 voice, and was last updated 7 years ago by PrintableBlorp. You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In