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Hi guys,

I've been picking up my standard test cyp prescription in 1ml vials for years. A couple months ago I went to the pharmacy and was told that they don't have 1ml vials anymore so they gave me a 10ml vial. Normally, this would last months but they said it actually expires after 27 days so I need to go in every month for a new 10ml vial... They are also not allowed to dispense more than a month's worth at a time. I am very confused. I will now have to message my doctor and explain why I'll be going through 30ML in 3 months...

My question is, does a 10ml vial actually expire or become less potent if used over multiple months?