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Lyophilization removes water from the peptide under vacuum at low temperature, creating a dry powder that can be stored long-term without significant degradation (1)
Still, a few risks deserve attention: Absolute contraindications: Wilson's disease or any other copper metabolism disorder, active cancer (because of GHK-Cu's pro-angiogenic activity), pregnancy, and breastfeeding
Upright Posture: Avoid lying down immediately after eating to help prevent acid reflux and minimize feelings of nausea
Whats getting injected by runners and influencers is a narrow slice of that universe
(6) Henning RJ, Sawmiller DR