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HUBERMAN: The use of Kispeptin to increase vitality and libido is a bit of a, let's just say, it's a little bit of a wild card

Purity certificates and conspiracy theories A common rejoinder from people buying peptides online is that third-party certificates of analysis show the powder they receive is pure and free of contaminants

Storage before and after reconstitution Lyophilized powder (before mixing): Freezer: -20C (best, 24+ months) Refrigerator: 2-8C (good, 12-18 months) Room temp: Short-term only (weeks) After reconstitution: Refrigerate immediately (2-8C) Use within 30 days Never freeze liquid peptide Protect from light (amber vials or keep in box) Traveling with GHK-Cu: Cooler with ice packs Refrigerate ASAP Powder easier to travel with Check local laws for international See our peptide storage guide , how long reconstituted peptides last in fridge , and should copper peptides be refrigerated

Gradual Dose Escalation Researchers typically increase doses slowly