Yes, lyophilized (freeze-dried) vials do best refrigerated at 3646F (28C), tolerate cool room temperature for short periods, and last longest frozen at -20C (-4F) or colder
If you have old vials, the worst likely outcome is reduced effectiveness rather than toxicity, but the economic waste and suboptimal results make using expired peptides a poor choice
Table of Contents: What does Glutathione in an IV do
Gastrointestinal Protection Demonstrates protective effects on the stomach and intestines , including reducing ulcers and inflammation in animal models2356

Water) 10ml VIP (Vasoactive Intestinal Peptide) 10mg SLU-PP-332 5mg Nasal Sprays CJC-1295 (No DAC) 10mg Nasal Spray Semax 10mg & Selank 10mg Nasal Spray Blend KPV (LysineProlineValine) 10mg Thymosin Alpha-1 5mg Nasal Spray hCG 10000iu Nasal Spray AOD 9604 5mg Nasal Spray DSIP (Delta Sleep-Inducing Peptide) 5mg Nasal Spray Kit BPC-157 10mg + TB-500 10mg Nasal Spray Kit "GLOW" BPC-157 10mg + GHK-CU 50mg+ TB-500 10mg Nasal Spray Kit CJC-1295 w/o DAC 5mg + Ipamorelin 5mg Nasal Spray Kit "KLOW" BPC-157 10mg + GHK-CU 50mg+ TB-500 10mg + KPV 10mg Nasal Spray Kit Melanotan II 10mg Nasal Spray Kit TB-500 10mg Nasal Spray Kit PT-141 (Bremelanotide) 10mg Nasal Spray Kit Semax 10mg Nasal Spray Kit BPC-157 10mg Nasal Spray Kit GHK-CU 50mg Nasal Spray Kit SLU-PP-332 5mg Nasal Spray Kit VIP (Vasoactive Intestinal Peptide) 10mg Nasal Spray Kit Ipamorelin 10mg Nasal Spray Kit Weight Management & Metabolic Health This blend combines three powerful regenerative peptides: BPC-157, GHK-CU, and TB-500