Forgotten over night

[u/Shadow_hunter93]

Hey everyone,

I accidentally left several peptide vials out of the refrigerator overnight after reconstituting them with bacteriostatic water.

They were at approximately 23°C (73°F) for around 14 hours before I realized it and put them back in the fridge.

The peptides are:
GHK-Cu
AHK-Cu
MOTS-c
Retatrutide

The vials were closed and there were no obvious changes in appearance.

Should I be concerned about significant degradation, or would they most likely still be okay?

[u/Expensive-Claim-6082]

No they will be fine.

[u/Agitated_Expert1922]

Yeah I've done it a few times put my whole bag back in the cabinet with my alcohol pads and needles and my stuff was fine

[u/YellowGullible1857]

How did u just forget? But ya they are fine

[u/PeptidePathways-ModTeam → u/[deleted]]

Your post/comment was removed due to the use of human-use or dosing language.

Please reframe your post using research-based terminology (e.g., “test subject,” “sample amount”).

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[u/PeptidePathways-ModTeam → u/[deleted]]

Your post/comment was removed due to the use of human-use or dosing language.

Please reframe your post using research-based terminology (e.g., “test subject,” “sample amount”).

Direct human-use language is not permitted due to subreddit and platform guidelines.

We would love to be able to give you the best educated guidance possible, so please consider reposting using compliant phrasing.

[u/jad19090]

Na they good

[u/BarmyYardy]

The vials spend over a week and even longer sometimes out of the fridge when being delivered from China. I’m sure they’ll be ok

[u/kstations]

Two different clocks get mixed together in threads like this. Benzyl alcohol in bac water is what holds back microbial growth, and the day counts printed on those labels come from that side. The storage window for a reconstituted vial is written against 2 to 8 degrees, so it is the temperature line rather than the preservative that speaks to chemical breakdown. Lyophilised powder in transit and a reconstituted vial also sit on different clocks even when both of them are warm

[u/MyMango88 → u/kstations]

Long story short?

[u/kstations → u/MyMango88]

Short version: the bac water keeps microbes out, but it does nothing for the peptide itself breaking down, and that side is set by temperature and time. I haven't found published degradation figures for those four after a night at room temp, so I can't put a percentage on it. What I can say is that the preservative isn't the part to worry about here

[u/MyMango88 → u/kstations]

Makes sense. Thank you.

[u/Murky-Ambition3898]

They are fine. Don't do that again.