Because it is a prescription-only medication, you cannot legally purchase it "by the piece" or over the counter. Here is how you can obtain it legally:
: Once you have a prescription, you can purchase armodafinil at major retailers like CVS , Walgreens , or local independent pharmacies. where to buy armodafinil
This medicine is available only with your doctor's prescription. This product is available in the following dosage forms: Tablet. Mayo Clinic Medication Guide - accessdata.fda.gov Because it is a prescription-only medication, you cannot