: Historically a primary source for "gray market" nootropics; availability here fluctuates based on supply and regulatory shifts.
Adrafinil - Cayman Chemical Forensics - Cambridge Bioscience
: Offers adrafinil in multiple forms, including bulk powder, liquid solutions (50mg/mL), and capsules (75mg/cap).
: A technical supplier providing small quantities (5mg to 10mg) for laboratory vigilance studies. Key Buying Considerations
Most current sources sell adrafinil exclusively for and not for human consumption.
Finding adrafinil has become significantly more difficult as of 2026. While it was once widely available as a nootropic supplement, major vendors like Nootropics Depot and Pure Nootropics have largely ceased selling it. The pharmaceutical version, , was voluntarily discontinued by its manufacturer, Cephalon, due to an unfavorable risk-benefit ratio.
Current purchasing options are primarily divided between specialized research chemical suppliers and a few remaining niche supplement vendors: Online Research & Specialty Vendors
: Sells adrafinil (specifically 20mg and 100mg quantities) for business and laboratory use.
: Historically a primary source for "gray market" nootropics; availability here fluctuates based on supply and regulatory shifts.
Adrafinil - Cayman Chemical Forensics - Cambridge Bioscience
: Offers adrafinil in multiple forms, including bulk powder, liquid solutions (50mg/mL), and capsules (75mg/cap).
: A technical supplier providing small quantities (5mg to 10mg) for laboratory vigilance studies. Key Buying Considerations
Most current sources sell adrafinil exclusively for and not for human consumption.
Finding adrafinil has become significantly more difficult as of 2026. While it was once widely available as a nootropic supplement, major vendors like Nootropics Depot and Pure Nootropics have largely ceased selling it. The pharmaceutical version, , was voluntarily discontinued by its manufacturer, Cephalon, due to an unfavorable risk-benefit ratio.
Current purchasing options are primarily divided between specialized research chemical suppliers and a few remaining niche supplement vendors: Online Research & Specialty Vendors
: Sells adrafinil (specifically 20mg and 100mg quantities) for business and laboratory use.
