Qingdao Sigma Chemical Co., Ltd (International, US, EU, Canada and Australia domestic

yes no problem, vaccum isn't necessary for most of peptides, it helps to keep them longer, we make vaccum peptides for most of them, but if some doesn't have it, it's not a problem

I have a few of your kits with no vaccum and ngl for whatever reason, it seems like those cause more PIP than the vac sealed.

I have 10ish kits of eptitalon from a while ago that I wish I didn’t buy so much of for this reason.

Also with a batch of TB500
 
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