zinc with ghk cu thymulin ghk-cu Copper peptides are everywhere — in serums, scalp treatments, and influencer recommendations. But GHK-Cu Topical Spray - Wells

If you're stacking with TB-500, which has a longer plasma half-life of 1012 hours, administer TB-500 first to establish baseline tissue repair signaling, then follow with AHK-Cu 6090 minutes later to provide copper cofactor support during the active collagen synthesis phase

Please note that the FDA does not review supplements

They dry the skin and can shift pH in ways that destabilize copper peptides

Cellular glutathione plays a key role in copper uptake mediated by human copper transporter 1

A 2025 Nature Communications paper mapped the binding to the disordered transactivation domain of p53, adding structural detail to how FOXO4-DRI engages its target

Varies Subcutaneous injection near the abdomen or fatty tissue