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Cognitive & Wellbeing · Pens
Semax pens
10 pens per box
Prices in USDFor research purposes only
Choose your strength
Price per box5mg
XA5-PEN5mg*10pens
$53.00
per boxBoxes
10mg
XA10-PEN10mg*10pens
$71.00
per boxBoxes
Set the number of boxes, then review your basket. Shipping is calculated at checkout.
Pens are made in batches. Only paid pens count toward the 1,000-pen production minimum. Express sizes join a run already starting and ship separately. Read how pens work.