GHK-Cu vs Selank
Compare the research profiles of GHK-Cu and Selank. Read the individual guides for evidence and limitations.
How to interpret this comparison
This page summarizes database profiles and has not yet received a study-by-study editorial review. These compounds are filed under different research categories, so a direct treatment comparison may not answer a meaningful clinical question. Use the linked guides and primary sources to evaluate a specific claim.
How to read peptide studiesGHK-Cu
Copper Peptide GHK-Cu
anti-aging
Preclinical
not-approved
Selank
Selank
cognitive
Approved in Russia
foreign-approved
Detailed Comparison
| Aspect | GHK-Cu | Selank |
|---|---|---|
| Overview | A naturally occurring copper peptide found in human plasma. Studied for wound healing, skin regeneration, and anti-aging effects. Available in topical and injectable forms.... | A synthetic peptide with anxiolytic (anti-anxiety) properties. Approved in Russia for anxiety and as a nootropic. Related to the natural peptide tuftsin.... |
| Research topics (not established benefits) |
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| Side Effects |
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| Mechanism | Attracts immune cells to injury sites, stimulates collagen and glycosaminoglycan synthesis, and has antioxidant effects. The copper ion is essential f... | Modulates GABA, serotonin, and dopamine systems. May also affect BDNF and have immunomodulatory effects. Does not cause sedation like benzodiazepines.... |
Frequently Asked Questions
Does a comparison establish which treatment is better?
Only appropriately designed evidence for the same clinical question can support that conclusion. Database categories and mechanisms alone cannot rank treatments.
Does this page establish that these compounds can be combined?
No. This page does not assess interactions or the benefit and safety of combined use. Individual studies cannot establish the effects of a combination.