NurseDad

nursedad

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Jul 28, 2025
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Hey everyone! I’m excited to join this group and learn more about retatrutide. I’m a nurse from Sacramento, a new dad, and this is my first time trying retatrutide. I’m planning to try either 1mg once a week or 0.5mg twice a week. I’m thinking about splitting a 30mg vial with my friend because of the 28-day expiration after opening. Is that safe, or would it be better to split it myself and freeze the extra? Would love to hear your thoughts. Looking forward to connecting and learning from you all!
 
Hey everyone! I’m excited to join this group and learn more about retatrutide. I’m a nurse from Sacramento, a new dad, and this is my first time trying retatrutide. I’m planning to try either 1mg once a week or 0.5mg twice a week. I’m thinking about splitting a 30mg vial with my friend because of the 28-day expiration after opening. Is that safe, or would it be better to split it myself and freeze the extra? Would love to hear your thoughts. Looking forward to connecting and learning from you all!
Hi and welcome! It's not really possible to split it like that- most of the vial is filler so you would have no way of knowing how much peptide you have in each bottle. You can get away with using it for longer than 30 days if you are safe about it. Keep it in the fridge, in a dark space- wipe the bottle every use etc. If you go with the standard titration schedule- 2,4,6,9,12- you would use most, if not all of it in just over 2 months. 4 weeks at 2mg is 8, 4 weeks at 4mg is 16 plus 1 week at 6- you'd use up the bottle in 2 months and 1 week. I and many others have used a bottle for that long. Just a thought...
 
Terzepatide has a better record with freezing, I'm not so sure about Reta. You have to figure out your own risk tolerance for research, but 57 days (9-17 pins) wouldn't bother me. It does seem like you could reconstitute 30 into 2ml and split into two 1ml 15 vials, but unless you're like family it's another (social) risk tolerance question.

Definitely, look at the reverse reconstitution calculator and GLP-Plotter for blood levels to minimize side effects. I didn't realize until I started running sims that part of the reason for the 4 week titration schedule is due to the ~7 day half-life of most of the GLP1s (sema, tirz, reta).
 
Hey everyone! I’m excited to join this group and learn more about retatrutide. I’m a nurse from Sacramento, a new dad, and this is my first time trying retatrutide. I’m planning to try either 1mg once a week or 0.5mg twice a week. I’m thinking about splitting a 30mg vial with my friend because of the 28-day expiration after opening. Is that safe, or would it be better to split it myself and freeze the extra? Would love to hear your thoughts. Looking forward to connecting and learning from you all!
You can either reconstitute and add half to another sterile vile, or have your friend draw from the same vial, if it's just you two. You know how to keep it safe when sharing from the same vial. Different syringes and alcohol before and after draws for each of you. 👍It's whatever your comfortable doing. I'm a retired nurse from the east coast. Lol
 
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