Peptides shelf life

[ultima thule]

As I am new in peptides and still learning would like to know the opinions of people who are much more experienced. As in the title of the thread, I concern a little bit about the reconstituted peptides shelf life. I just started Reta and Glow. Up to the protocol I'm gonna run, the vial of Reta will last 7 weeks, and Glow 6 weeks for me. Of course I keep both vials in the fridge and anytime I use it, try to make it as safe as possible (alcohol pads, disposable syringe etc.) But I didn't do any filtering and not going to. Anyway I still concern about this, while the common protocol is to use the peptide in 28 days. Is it a real matter, or just unnecessary exaggeration?

 

[deluge]

It sounds like you're doing it right. It all depends on your willingness to accept risk.

Many here use a vial of reconstituted peptide for more than 4 weeks. When on my first vial I went 10 weeks. Proper sterile technique, using BAC water, and refrigeration meant I had no issues.

I would ask that you reconsider not filtering. Testing has proven contaminants such as Staph bacteria in multiple vials from various vendors recently. It's a simple extra step, and only costs as little as $1 per vial.

I'd be way more concerned about not filtering than using a vial past 28 days. Again, my risk level.

 

[randompersonrandom]

I'd like to understand more about "I'm concerned about shelf life" and "I'm not filtering and not going to." Can you elaborate on that?

 

[Chili777]

I'm still trying to get my head around this:

anytime I use it, try to make it as safe as possible (alcohol pads, disposable syringe etc.) But I didn't do any filtering and not going to.

🤔

 

[ultima thule]

Alright I got ye guys. Like I said I'm a newbie into this and still learning. Understand that filtering is a crucial procedure and getting some knowledge about this process right now. But does it extend the peptides shelf life anyway?

 

[randompersonrandom]

Alright I got ye guys. Like I said I'm a newbie into this and still learning. Understand that filtering is a crucial procedure and getting some knowledge about this process right now. But does it extend the peptides shelf life anyway?

it depends on whether you're concerned about degredation (filtering won't change that) or how bad something will go bad from a bacterial standpoint (which is a "how long is a piece of string" type of deal.) If you've got something that would have passed sterility if it had been tested, then maybe it will and maybe it won't. If you've got something that would have failed sterility (common), then it probably will.

I filter because the labs where this stuff is being manufactured cannot confirm that it's not a setup in some really smart teenager's "clean room." I don't know if there's a fruit fly problem in the break room, I don't know if someone sneezed or scratched their head while standing over the raws, I just don't know ANYTHING except that "yes, it's tirz" and "look, there's a label right on it that says not to inject it in yourself, what did you expect?"

 

[5byfive]

Alright I got ye guys. Like I said I'm a newbie into this and still learning. Understand that filtering is a crucial procedure and getting some knowledge about this process right now. But does it extend the peptides shelf life anyway?

There are two different things here. Shelf life = how long before it degrades meaningfully and Safe = how long before there is significant risk of bacterial contamination.

Shelf life is probably way longer than 'safe'; it would probably be effective for longer than you would want to keep it. Most peps are very stable. I would say filtering would increase the time it is 'safe'. 28 days is the standard, I try and keep it to 8-9 weeks (I tell myself 8 but I always tend to push it) with BAC water and filtering. Some people will go 3 months or longer. You have to decide on your comfort on what is 'safe'.

 

[Turbo-Farmer]

Alright I got ye guys. Like I said I'm a newbie into this and still learning. Understand that filtering is a crucial procedure and getting some knowledge about this process right now. But does it extend the peptides shelf life anyway?

Filtering can remove any bacteria from your reconstituted solution and prevent any bacteria from growing. Filtering is a standard safety procedure can minimize the risk of infection.

 

[Chili777]

Filtering helps the BAC do its job. The less bacteria (and other nasties) in the vial, the longer the BAC will keep it viable. I used Reta vials up to 10 weeks with no issues when I first started, but I go no longer than 8 weeks with it now. Other peps I try to recon to last for 30 days, no longer.

 

[retarequired]

Alright I got ye guys. Like I said I'm a newbie into this and still learning. Understand that filtering is a crucial procedure and getting some knowledge about this process right now. But does it extend the peptides shelf life anyway?

Bacterial contamination drives degradation of peptides because the bacteria release proteolytic enzymes. Filtering will definitely extend your peptides' shelf life if your peps are contaminated, which they might very well be.

 

[anhydrous]

Like retarequired said, introducing microbes into the environment is going to drive degradation. Benzyl alcohol inhibits growth but won't necessarily kill every microbe present. Filtering can remove every microbe possibly present to begin with. If its a vial that I will draw from daily I think 8 weeks is the longest that I could justify. For twice a week I feel ok with 3 months and weekly 5 months maximum.

 

[DonkeyTrams]

Its worth looking at how your store your peptide. From my research there are 2 things that affect how long it lasts. 1 and from what ive read is light, this is apparantly worse than temperature.
Temperature is the second and best to keep it in an area of the fridge that doesnt change as much if you leaving the door open for longer periods or multiple times a day.

Like i said this is from some research so i cant factually say this is true but doing a bit more can help.

I am storing mine in a container inside a box

 

[latviantower]

This is a good thread with both thoughtful and measured contributions. I have not filtered and have not had any issues. I do seem to recall lots of folks talking on here about a Peter Magic documentary that provided lots of reassuring data: robust nature of most peptides, shelf life lyophilized and reconstituted, freeze thaw tolerance, minimal degradation, etc. Wasn’t there also information about testing standards, risk vs reward, etc?? I seem to recall that in his opinion sterility testing was a waste of money? And any testing beyond mass/purity, for that matter? Is that a testimony to his faith in the manufacturing process based on tens of thousands of lab tests?

To be fair and argue both sides - doesn’t Jano filter all their test samples?

Weighty things to ponder……

 

[Aterna13]

Alright I got ye guys. Like I said I'm a newbie into this and still learning. Understand that filtering is a crucial procedure and getting some knowledge about this process right now. But does it extend the peptides shelf life anyway?

me too - it's hard in here to be a newbie, but totally worth it for the end game.

 

[BNLFL]

Filtering helps the BAC do its job. The less bacteria (and other nasties) in the vial, the longer the BAC will keep it viable. I used Reta vials up to 10 weeks with no issues when I first started, but I go no longer than 8 weeks with it now. Other peps I try to recon to last for 30 days, no longer.

I just started filtering this morning reconstituting 2 R50 vials. It was easy. I even labeled the new vial with a labels that says J5 R50 Recon 5/9/26. I put all that, plus the amount of BAC in my Reta spreadsheet.