Quick background for those new here:
Most peptides should be stored in the fridge after you reconstitute them (mix them with bacteriostatic water). Cold temps help keep them stable longer.
But tesamorelin might be different.
The FDA-approved version (EGRIFTA WR) actually says to store it at room temperature — not in the fridge. Josh Holyfield, a creator in this space, argues that research-grade tesamorelin should follow the same rule because the molecule itself doesn't like cold temperatures. Something about its structure causes it to clump up and degrade when it gets cold.
I pushed back on this in an earlier post. Josh responded with some solid points about the science behind it.
Honestly? I don't know who's right. And I'd rather have real data than keep guessing.
So here's what I'm going to do:
When I get back to Denver, I'm sending a vial of tesamorelin to Freedom Diagnostics for a 4-week degradation study. This will show us exactly what happens to research-grade tesamorelin under different storage conditions.
No more theories. Just actual results.
I'll keep you all posted.