The 503A bulks list clarifies that GHK-Cu may be compounded as a bulk drug substance by 503A pharmacies except for injectable routes of administration
Though still investigational, it is of interest for its potential role in supporting cognitive health and age-related memory challenges
Work through these troubleshooting steps in order, making one change at a time and allowing two weeks to assess each modification's impact
The most important update in this table is the injectable row
Retatrutide + MOTS-c Storage & Handling Storage Reference (Both Compounds) State Lyophilized (long-term) Retatrutide -4 F (-20 C), 12+ months MOTS-c -4 F (-20 C), 12+ months State Lyophilized (short-term) Retatrutide 35.6-46.4 F (2-8 C), several months MOTS-c 35.6-46.4 F (2-8 C), several months State Lyophilized (room temp) Retatrutide Weeks (shipping tolerance only) MOTS-c Weeks (shipping tolerance only) State Reconstituted (liquid) Retatrutide 35.6-46.4 F (2-8 C), up to 28-60 days MOTS-c 35.6-46.4 F (2-8 C), up to 7 days State Aliquot frozen reconstituted Retatrutide Not standard practice MOTS-c -4 F (-20 C), 2-3 months State Color when reconstituted Retatrutide Clear MOTS-c Clear State Light protection Retatrutide Yes MOTS-c Yes State Oral viable Retatrutide No MOTS-c No MOTS-c's 7-day reconstituted window is the limiting factor for storage planning