dihexa pubmed Dihexa: Built for memory and mental clarity Dihexa, 100 mg, CAS No.
Description
The 28-day use window applies only to refrigerated storage

R.BourdetteD.et al (2005)

The temperature was set at 310 K, using a thermostat damping of 0.1 ps 1 and the M-SHAKE algorithm 53 to constrain the bond lengths involving hydrogen atoms

C., Woolman, J

You can continue using it, but expect reduced efficacy and consider adjusting dosing schedules accordingly if your research protocol allows

Anecdotal evidence does not show any immediate adverse effects
