Why freezer storage matters · Factory Direct Peptides

Why freezer storage matters

Lyophilized peptides last longer when they’re kept cold and dry. Industry standard for long-term storage is -20°C or colder. At that temperature the powder stays stable for years. Fridge (2–8°C) is fine for shorter holds. Room temp is only for shipping and short transit.

What you want to see from a supplier is simple:

• Everything in one controlled freezer, not scattered across a hundred random boxes

• Sealed vials, not sitting open or mixed with junk

• Consistent temperature, not whatever closet or warehouse shelf is convenient

That’s what this video is. The manufacture we work with. All of it. Not 100 different boxes sitting around.

That’s the difference between “we ship research material” and “we actually store it like research material.”

Once you reconstitute, different rules: fridge only, don’t freeze the mixed vial, use it in a few weeks. The powder in the unopened vial is the form that belongs in the freezer.

Watch the clip. That’s how it should look on the other side before it ever hits a box to you.

Research use only. Handle and store accordingly.

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Why freezer storage matters