GHK-Cu
Skin & Connective Tissue
Not Approved (Injectable)
SkinHealingAnti-agingConnective Tissue
GHK-Cu (Glycine-Histidine-Lysine Copper Complex) is a naturally occurring tripeptide with high affinity for copper(II) ions, found in human plasma, saliva, and urine. Plasma levels decline significantly with age - from ~…
Full GHK-Cu profile →
Epithalon
Longevity & Telomere
Not Approved
LongevityTelomereAnti-agingPineal
Epithalon (Epitalon) is a synthetic tetrapeptide (Ala-Glu-Asp-Gly) derived from the pineal gland bioregulator Epithalamin. It was developed by the St. Petersburg Institute of Biogerontology by Professor Vladimir Khavinso…
Full Epithalon profile →
Stack Compatibility & Key Differences
Both are active research compounds. See individual pages for full protocol data.
Frequently Asked Questions
What is the difference between GHK-Cu and Epithalon?
GHK-Cu: GHK-Cu (Glycine-Histidine-Lysine Copper Complex) is a naturally occurring tripeptide with high affinity for copper(II) ions, found in human plasma, saliva, and urine. Plasma levels decline significantly with age - from ~… Epithalon: Epithalon (Epitalon) is a synthetic tetrapeptide (Ala-Glu-Asp-Gly) derived from the pineal gland bioregulator Epithalamin. It was developed by the St. Petersburg Institute of Biogerontology by Professor Vladimir Khavinso…
Can you stack GHK-Cu and Epithalon?
Both are active research compounds. See individual pages for full protocol data.
Which has a longer half-life, GHK-Cu or Epithalon?
GHK-Cu half-life: ~30 min (plasma). Epithalon half-life: ~30 min.