BPC 157 Peptide Caps 1000mcg Walmart Business Supplies BPC 157 Dosage Calculator and Chart A Z Guide 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 How do you make a purified peptide stable for shipping and storage? Lyophilization, also called freeze drying. This process removes water from the peptide solution without harming its delicate structure, turning it