CommunityReconstitution & Math

Acetic BAC Water for Retatrutide

9 replies4 peopleJan 27, 2026☆ Follow
Summary

Is BAC water containing acetic acid okay to use for reconstituting and injecting retatrutide?

The thread discusses using 0.9% benzyl alcohol / 0.6% acetic acid BAC water for a 30 mg retatrutide vial reconstituted with 3 ml, yielding a 2 mg dose from 20 units. One user notes the pH appears compatible with retatrutide stability while another reports an AI response warning of potential degradation. The original poster concludes it is safer to wait for standard BAC water.

What this discussion establishesWhere people disagree

Whether the acetic acid version is acceptable or should be avoided

Still open

Actual compatibility and stability of retatrutide in 0.6% acetic acid BAC water

Nothing here is advice.

9 replies · 4 people
BlueCompass52archiveopening postJan 27

Hi everyone, I need some advice. BAC water is hard to find where I live. I got some bac water that's 0.9% benzyl alcohol and 0.6% acetic acid. I'm planning to take 20 units of retatrutide. Is that okay?

LevelThistle44archiveJan 27
↳ replying to @BlueCompass52 (opening post)

20 units isn't the right way to measure a dose for Reta. The .9% BA and .6% AA seems to have a pH in the range where Reta stays stable.

BlueCompass52archiveJan 27

Hey. Taking that thirty milligram vial and adding three milliliters of bacteriostatic water to it. This creates a solution at ten milligrams per milliliter, or basically one milligram in every ten units. Planning to draw twenty units for my two milligram amount. Appreciate the feedback.

NorthAnchor41archiveJan 27
↳ replying to @BlueCompass52

I can't answer your original question but thumbs up for sharing your math!

LevelThistle44archiveJan 27
↳ replying to @BlueCompass52

2mg of Reta is a typical starting dose from the trials.

BlueCompass52archiveJan 27
↳ replying to @LevelThistle44

thanks I've been on it for 2 months. My concern is about the bac water. Is it okay to inject with the acetic acid in it.

CopperAlder51archiveJan 27

That AI warned that adding acetic acid may impact the pH level along with the overall stability for Retatrutide, which could result in it breaking down and losing power. There is no research I've located on the matter. Do what you think is best.

LevelThistle44archiveJan 27
↳ replying to @CopperAlder51

Maybe have it specify the acidity levels that work for reta as well as those applying to the point nine ba slash point six aa mix.

CopperAlder51archiveJan 27
↳ replying to @LevelThistle44

Someone asked about suitable acidity levels for that triple agonist compound along with the mix using benzyl alcohol plus acetic acid in water. It turns out these acylated sequences hold up best when kept mildly acidic to neutral, around 5 to 7, with the calculated point landing near 5.4 to 6.0. Below that the fatty chain tends to cause clumping instead of staying dissolved.

The version with 0.6 percent acetic acid comes out much more acidic, sitting near 2.8 to 3.0, while the alcohol itself barely shifts the number. That makes the whole solution roughly ten times more acidic than plain bacteriostatic water.

Technically the compound can go into acetic acid without disappearing right away, yet several issues show up. Solubility drops because the tail gets protonated, long term breakdown speeds up from the acid, and the low pH creates noticeable burning during use. Plain bacteriostatic water avoids all three problems and matches what most people reach for with this material. The stronger acid version only comes up for certain stubborn fragments that refuse to stay clear otherwise.

BlueCompass52archiveJan 29

looks like the consensus is that it's better to wait for regular bac water

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