Quote Originally Posted by clarkster View Post
This is a new one on me and wanted to see if it's legit or not. I was getting my Testosterone Cyp filled at Costco in the 10ml bottle (for years) and suddenly they switched to the 1ml bottle saying that once it's been punctured the bottle then only has a shelf life of 28 days. I never noticed a drop in levels when I was using the 10ml bottle and find the 1ml much less efficient but wanted to see if anyone has heard anything on this.

I just called another Costco and they said it was about contamination?
They are full of shit.
It keeps for years if stored right