A small, friendly reminder:
Injectable hormones are suspended in castor oil. Castor oil is really good at keeping those hormones dissolved.
But castor oil goes rancid in 1-2 years. Faster if you don't keep it in a dark place. And rancid castor oil doesn't work properly, and can even hurt you.
So, please keep an eye on the expiration date of any vial of hormones you have or get, and discard anything more than two years past it's date of manufacture.
Because you can't tell if castor oil has gone rancid by sight. Only smell or texture.
And you can't smell or feel it in a sealed vial.
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@Impossible_PhD carrier oils can be cottonseed, castor, or MCT (palm) oil. Is not the purpose of the benzyl alcohol preservative to prevent this though? was the 650 day number tested with preservative in it?
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@old_angry_queer Nope! The benzyl alcohol is an antimicrobial. It's there to keep the tiny number of microbes that get into the vial when you pierce it from proliferating.
Rancidity happens even in a completely anaerobic environment, and is fundamentally a factor of time and entropy (aided by other things for sure).
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