Hospira vs. Off-Brand Bacteriostatic Water — Here's What You Need to Know

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I get this question a lot, so let's clear it up once and for all.

What is Hospira bacteriostatic water?

Hospira is the name-brand version, formerly made by Pfizer, and it's the same bacteriostatic water used in hospitals. If it has the pink top, a lot number, an expiration date, and all the Hospira branding — that's the real deal. Same product medical professionals are using.

What about off-brand bacteriostatic water from peptide companies?

Some peptide vendors make their own reconstitution solution. If you go this route, I'd recommend using one that's been tested — like the bacteriostatic water from EZ Peptides. The test confirms there's actual benzyl alcohol content in the solution, which is the key ingredient that keeps your peptide stable for roughly 6–8 weeks after reconstitution (sometimes a little longer).

The simple way to think about it:

This is just name brand vs. off-brand. Both can work. But if you've ever had issues with your peptides degrading or losing potency faster than expected, I'd recommend just going the Hospira route. It's a little pricier, but the peace of mind is generally worth it.

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