Melanotan-II expiry date

[john mercy]

i want to know if bought 3 vials and didnt use them all how long can an unused vial stay in the refrigirator, does it have an expiry date ?

[Semin]

"
i want to know if bought 3 vials and didnt use them all how long can an unused vial stay in the refrigirator, does it have an expiry date ?
"

Should be just fine for 2-5 years. I'd prefer freshness, don't stress on it however - Melanotan II is durable