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Peptide injections guide recommendations typically suggest at least 1 inch separation from previous injection points and systematic rotation through multiple sites

2018 Apr 6;6(6):1179-1180

Huang KY, Yan JJ, Hsieh CC, Chang MS, Lin RM: The in vivo biological effects of intradiscal recombinant human bone morphogenetic protein-2 on the injured intervertebral disc: an animal experiment

Lyophilized (freeze-dried) powder: Room temperature storage: stable for weeks to months depending on peptide Refrigerator storage (2-8 C): stable for months to over a year Freezer storage (-20 C): stable for years in some cases Keep sealed, dry, and away from light Moisture is the primary enemy of lyophilized peptides Reconstituted solution: Must be refrigerated at 2-8 C at all times Typical stability: 4-6 weeks for most peptides Never freeze reconstituted solutions Use bacteriostatic water (not sterile water) for multi-use vials Each needle puncture introduces contamination risk The difference in stability is dramatic