BAC or NaCl for Reta? Confused!

PeptidePilot

PeptidePilot

Active member
Hey everyone, new to the forum but I've been lurking and researching for a couple weeks. Still trying to figure everything out! I just started with 0.5mg of semaglutide via a telehealth doc, and I'm thinking about switching to reta. I've been deep-diving into reconstitution methods, and I thought BAC water was the standard. But, I've seen some stuff saying 0.9% sodium chloride might sting less. Then I read something about needing 'benzyl alcohol...' and now I'm totally lost, haha.

Anyone with more experience have a preferred method? Reducing any potential sting would be amazing. Thanks!
 
Benzyl alcohol is what makes it bacteriostatic, meaning it prevents bacteria growth. That's what makes BAC water, BAC water.

I'm not sure on the sodium chloride, so I can't help you there.
 
Saline did seem to result in a slightly less intense sensation for me. However, you can use more BAC water to dilute to reduce that sensation as well. Also, saline mixtures may have a shorter shelf life. If you have stinging issues try using 3ml bac/10mg reta
 
Most people use BAC water unless there are specific peptides that need other types. I haven't looked into any of those yet, though. BAC is pretty standard for GLP-1s.
 
If you decide to use Sodium Chloride, make sure it's Hospira BAC Sodium Chloride (the one with the green lid). It has BA in it, just like the regular BAC water with the purple lid. Some peptides don't work well with Sodium Chloride. It's supposed to sting less with IM injections of stuff like Botox. I don't think it matters much for subq injections unless the peptide's pH is way off.
 
I recently started 'researching' Hospira Saline Bac with Benzyl (the green cap one). I noticed that Novo and Lilly use an isotonic mixture containing Nacl for their glp1 meds. Why would they spend the extra money to add saline? Maybe it adds stability during transport or extends the shelf life since they ship it already reconstituted? So far, I haven't noticed any difference for glp1, ghk-cu, etc.

I often used reconstituted peptides that were 6-8 weeks old with regular bac. No clouding or issues, and the effect was the same. I just keep everything sterile. The standard 28-day recommendation is for multi-use, multi-patient scenarios. Studies show BAC can last up to 90 days. Some experts say we worry too much about degradation; in the worst case, it's only 4%. Fridge or room temp doesn't matter much; it's really about preventing bacterial growth.
 
So, I got a 5mg vial of sema... how much BAC water should I even add? I know I want to take roughly 0.25mg per dose. Is there like, an easy way to figure this out so I don't screw it up?
 
RetaReadyy said:
So, I got a 5mg vial of sema... how much BAC water should I even add? I know I want to take roughly 0.25mg per dose. Is there like, an easy way to figure this out so I don't screw it up?
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There are calculators online that can help you figure out the right amount. I use one to figure out my doses. Just search 'peptide calculator'.
 
ShotProgress247 said:
I've been using 2.5ml of BAC water for a 5mg vial. Then, 5 units on an insulin syringe equals 0.1mg (100mcg). I've been injecting 0.5mg before bed. It's working pretty well so far. I try not to eat carbs an hour before.
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Oh that's good to hear. I was wondering about the carb thing too. So, no carbs an hour beforehand, got it!
 
I've been experimenting with dosages between 0.5mg and 1mg and seeing positive results. It can be expensive, so if you see the effects at a lower dose no need to increase it.
 
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