Peptide Fridge Rack 84 Slot Research Vial Storage 2 Pack USA Made DC Additive Pros Sent GLOW, KLOW, and the TB BPC blend to a lab after 30 days refrigerated. 99.6% purity before. 99.6% purity after. Same milligram content. No measurable degradation. These blends are professionally formulated and Most people don't ruin peptides in the syringe. They ruin them in storage. Peptides are delicate signaling molecules. Heat, light and unstable temperatures slowly degrade their structure long before the first injection Peptide storage guide: : r NTNPerformance