Got my GHK-Cu from X-Peptides today, the 50mg vial. It shipped fast, like 12 days to Midwest. Now I'm second-guessing storage. I've seen people say fridge, some say freezer, some say just cool dark place. It's the lyophilized powder. What's everyone doing with theirs?
Not looking for a chemistry lecture, just curious what's worked for you. Also the vial came with a slight vacuum, normal?
Mine's been in the fridge door since March. No issues. The vacuum thing is normal for these vials, I've had a few from different vendors do that. I just keep it dry and out of light.
I've always used the freezer for long term, fridge for stuff I'm using soon. But honestly GHK-Cu seems pretty stable. I wouldn't stress too much. The vacuum is a good sign, means it's sealed well.
Hi there, thanks for your order! That batch (#GHK-2405) shipped from our Shenzhen facility on 5/12. The COA is available at xpeptides.com/coa/ghk2405. If you need anything else, just let us know. We restock monthly.
Mine arrived yesterday too. I just put it in a dark cabinet. I've had GHK-Cu last over a year that way. The vacuum is normal, I've had vials that hiss when you open them.
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