Sable · Question
What is the difference between GHK-Cu and Tesamorelin?
GHK-Cu is a copper(II) complex of the tripeptide GHK, first identified in human plasma, and widely studied in skin-biology, cosmetic-science and wound-model research (peptide-copper complex, MW about 402.92 g/mol).
Research use only. Not for human consumption. No health claims.
Last verified 2026-10-10
What is the difference between GHK-Cu and Tesamorelin?
GHK-Cu is a copper(II) complex of the tripeptide GHK, first identified in human plasma, and widely studied in skin-biology, cosmetic-science and wound-model research (peptide-copper complex, MW about 402.92 g/mol).
Which is heavier, GHK-Cu or Tesamorelin?
GHK-Cu has a molecular weight of about 402.92 g/mol and Tesamorelin about 5136 g/mol (PubChem), so Tesamorelin is heavier by 4,733.1 g/mol, a ratio of 12.75. This means 1 mg of GHK-Cu contains 2,481.9 nmol versus 194.7 nmol for Tesamorelin.
How many mg of Tesamorelin are equimolar to 1 mg of GHK-Cu?
1 mg of GHK-Cu (MW 402.92) is 2,481.9 nmol. The same number of moles of Tesamorelin (MW 5136) weighs 12.747 mg. Equimolar comparisons matter when testing two compounds side by side in the same assay.
Compare the molecular formulas of GHK-Cu and Tesamorelin
PubChem lists GHK-Cu as C14H23CuN6O4+ (402.92 g/mol) and Tesamorelin as C221H366N72O67S (5136 g/mol). GHK-Cu is a peptide-copper complex; Tesamorelin is a peptide. These formulas refer to the parent compounds without salt counter-ions.
A 5 mg vial of GHK-Cu equals how many mg of Tesamorelin in moles?
5 mg of GHK-Cu (MW 402.92) is 12.409 µmol. The same amount of Tesamorelin (MW 5136) would weigh 63.735 mg. This equimolar conversion lets two compounds be compared at matched molar amounts in the same experiment.
A 50 mg vial of GHK-Cu equals how many mg of Tesamorelin in moles?
50 mg of GHK-Cu (MW 402.92) is 124.1 µmol. The same amount of Tesamorelin (MW 5136) would weigh 637.3 mg. This equimolar conversion lets two compounds be compared at matched molar amounts in the same experiment.
A 10 mg vial of GHK-Cu equals how many mg of Tesamorelin in moles?
10 mg of GHK-Cu (MW 402.92) is 24.819 µmol. The same amount of Tesamorelin (MW 5136) would weigh 127.5 mg. This equimolar conversion lets two compounds be compared at matched molar amounts in the same experiment.
A 20 mg vial of GHK-Cu equals how many mg of Tesamorelin in moles?
20 mg of GHK-Cu (MW 402.92) is 49.638 µmol. The same amount of Tesamorelin (MW 5136) would weigh 254.9 mg. This equimolar conversion lets two compounds be compared at matched molar amounts in the same experiment.
A 30 mg vial of GHK-Cu equals how many mg of Tesamorelin in moles?
30 mg of GHK-Cu (MW 402.92) is 74.456 µmol. The same amount of Tesamorelin (MW 5136) would weigh 382.4 mg. This equimolar conversion lets two compounds be compared at matched molar amounts in the same experiment.
A 100 mg vial of GHK-Cu equals how many mg of Tesamorelin in moles?
100 mg of GHK-Cu (MW 402.92) is 248.2 µmol. The same amount of Tesamorelin (MW 5136) would weigh 1,274.7 mg. This equimolar conversion lets two compounds be compared at matched molar amounts in the same experiment.
A 2 mg vial of Tesamorelin equals how many mg of GHK-Cu in moles?
2 mg of Tesamorelin (MW 5136) is 0.3894 µmol. The same amount of GHK-Cu (MW 402.92) would weigh 0.1569 mg. This equimolar conversion lets two compounds be compared at matched molar amounts in the same experiment.
A 10 mg vial of Tesamorelin equals how many mg of GHK-Cu in moles?
10 mg of Tesamorelin (MW 5136) is 1.947 µmol. The same amount of GHK-Cu (MW 402.92) would weigh 0.7845 mg. This equimolar conversion lets two compounds be compared at matched molar amounts in the same experiment.
A 5 mg vial of Tesamorelin equals how many mg of GHK-Cu in moles?
5 mg of Tesamorelin (MW 5136) is 0.9735 µmol. The same amount of GHK-Cu (MW 402.92) would weigh 0.3923 mg. This equimolar conversion lets two compounds be compared at matched molar amounts in the same experiment.
A 20 mg vial of Tesamorelin equals how many mg of GHK-Cu in moles?
20 mg of Tesamorelin (MW 5136) is 3.894 µmol. The same amount of GHK-Cu (MW 402.92) would weigh 1.569 mg. This equimolar conversion lets two compounds be compared at matched molar amounts in the same experiment.
A CoA for every lot; each vial carries a printed lot number that matches it. Ask with the lot number and we send it.
Cite this
Research use only. Not for consumption. No health claims.
Plain
Sable Peptides. (2026). What is the difference between GHK-Cu and Tesamorelin?. UK Research Peptide Reference. Retrieved 11 October 2026, from https://www.sablepeptides.co.uk/questions/compare/ghk-cu-vs-tesamorelin/#sqa-038934
APA
Sable Peptides. (2026, October 11). *What is the difference between GHK-Cu and Tesamorelin?*. UK Research Peptide Reference. https://www.sablepeptides.co.uk/questions/compare/ghk-cu-vs-tesamorelin/#sqa-038934
BibTeX
@misc{sable_#sqa-038934_2026,
author = {{Sable Peptides}},
title = {{What is the difference between GHK-Cu and Tesamorelin?}},
year = {2026},
howpublished = {\url{https://www.sablepeptides.co.uk/questions/compare/ghk-cu-vs-tesamorelin/#sqa-038934}},
note = {Accessed 11 October 2026. CC BY 4.0}
}Badge
<a href="https://www.sablepeptides.co.uk/ref"><img src="https://www.sablepeptides.co.uk/badge/ref.svg" alt="Data: UK Research Peptide Reference — Sable Peptides" width="220" height="40"></a>
Date modified: 2026-10-10