best glutathione supplement form L-Glutathione 250mg The Most Trusted Name in Vitamins Best Glutathione Supplement: Guide to
Description
Dose rates: Up to 1 year: 1 mL per 50 kg 12 years: 1 mL per 75 kg Over 2 years: 1 mL per 100 kg Please consult the label for additional dosage information

You're worried about wasting money if you store it wrong and the peptides degrade, and you need a clear answer for your specific copper peptide product

(PubMed) Desmond MA, Sobiecki JG, Jaworski M, et al

Repeated freezing and thawing will damage the activity of the peptide