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Structurally, its essentially a modified version of GHRH with a small molecular addition that increases its stability, allowing it to be used therapeutically
GHK-Cu powder (lyophilized) maintains potency 12-24 months frozen, 6-12 months refrigerated, or just 2-3 months at room temperature , with vacuum-sealed containers and desiccant packets extending these timelines
Before and after: Real results unveiled While the potential benefits of glutathione injections for skin are promising, it's essential to examine real-world results to gain a better understanding of their effectiveness
Evidence comparison: GHK-Cu has a substantially larger body of published research, spanning from Pickart's original 1973 isolation through hundreds of subsequent studies
This means the US Food and Drug Administration (FDA) doesnt regulate it as strictly as medicine
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