Comparisons
Compound comparisons
Two compounds side by side: sequence, length, molecular weight, receptors and regulatory status, with the published references behind each figure. Where we stock a compound, the comparison links to its product page.
15 comparisons · Last updated
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Adamax vs Semax: Is Adamax the Same as Semax?
No. Semax is a defined, published heptapeptide (MEHFPGP, CAS 80714-61-0). Adamax is a seller's name for a Semax analogue described as N-acetyl Semax with an…
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GHK-Cu vs AHK-Cu: What’s the Difference?
GHK-Cu and AHK-Cu are copper complexes of two tripeptides that differ in one residue: glycine in GHK, alanine in AHK.
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KLOW vs GLOW: What’s the Difference?
KLOW is GLOW plus KPV. Both blends contain GHK-Cu, BPC-157 and TB-500; KLOW adds the alpha-MSH tripeptide KPV.
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KPV vs BPC-157: What’s the Difference?
KPV is the tripeptide Lys-Pro-Val, residues 11 to 13 of alpha-MSH; BPC-157 is a 15-residue peptide described as a fragment of a protein from human gastric…
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Melanotan 1 vs 2: What’s the Difference?
Melanotan I (afamelanotide) is a linear 13-residue alpha-MSH analogue that became an approved drug; Melanotan II is a cyclic 7-residue analogue that never did.
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MOTS-c vs SS-31: What’s the Difference?
MOTS-c is a 16-residue peptide encoded in mitochondrial DNA; SS-31 (elamipretide) is a synthetic 4-residue peptide that binds cardiolipin in the inner…
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PT-141 vs Melanotan II: What’s the Difference?
PT-141 (bremelanotide) and Melanotan II share the same cyclic seven-residue sequence and differ only at the C-terminus: a free acid on PT-141, an amide on…
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Retatrutide vs Semaglutide: What’s the Difference?
Retatrutide activates three receptors (GIP, GLP-1, glucagon); semaglutide one (GLP-1).
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Retatrutide vs Tirzepatide: What’s the Difference?
Retatrutide and tirzepatide are both Eli Lilly peptides built on the GIP backbone. Tirzepatide activates two receptors (GIP and GLP-1).
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Selank vs Semax: What’s the Difference?
Selank and Semax share a Pro-Gly-Pro tail but start from different peptides: tuftsin for Selank, ACTH(4-7) for Semax.
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TB-500 vs BPC-157: What’s the Difference?
BPC-157 is a 15-residue peptide from a gastric-juice protein; TB-500 is a 7-residue acetylated fragment of thymosin beta-4.
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Tesamorelin vs Ipamorelin: What’s the Difference?
Tesamorelin is a 44-residue GHRH analogue; ipamorelin is a 5-residue ghrelin-receptor agonist.
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Tesamorelin vs Sermorelin: What’s the Difference?
Tesamorelin and sermorelin both act on the GHRH receptor. Sermorelin is GHRH(1-29) with a C-terminal amide.
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Thymosin Alpha-1 vs TB-500: Are They the Same?
No. Thymosin alpha-1 is a 28-residue peptide from prothymosin alpha; TB-500 is a 7-residue acetylated fragment of thymosin beta-4, an unrelated actin-binding…
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Tirzepatide vs Semaglutide: What’s the Difference?
Semaglutide (Novo Nordisk) is a selective GLP-1 receptor agonist; tirzepatide (Eli Lilly) activates the GIP and GLP-1 receptors.
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