Where Does GHK Occur Naturally?
Short answer: In human plasma, saliva and urine. The tripeptide is thought to be released from larger proteins — collagen and SPARC among them — when tissue is broken down. Pickart reported that plasma levels fall with age, from about 200 ng/mL at age 20 to about 80 ng/mL by age 60, a figure that recurs throughout the literature and that comes from his own measurements.
Because the sequence Gly-His-Lys occurs within collagen, one hypothesis is that the peptide is a fragment signalling that collagen is being degraded; the alternative hypothesis treats it as a circulating factor in its own right. The two are described on the knowledge pages and neither is settled.
The age-decline figure is cited as published; it has not been widely replicated by other groups.
REVIVE LAB UAE supplies the pack for laboratory research use only. It is not for human or veterinary use, and no dosing, administration or protocol guidance is provided.
GHK-Cu Pack 50 mg — REVIVE LAB UAE
AED 425 · Lot-specific COA on request · Cash on delivery or USDT (5% off) Order GHK-Cu Pack UAE — Live Stock & Pricing
AED 425 · Lot-specific COA on request · Cash on delivery or USDT (5% off) Order GHK-Cu Pack UAE — Live Stock & Pricing
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