KLOW is a four-peptide research blend totaling 80mg of lyophilized powder. It contains BPC-157 (10mg), a 15-amino-acid synthetic peptide derived from a sequence found in human gastric juice protein; TB-500 (10mg), a 43-amino-acid fragment of the naturally occurring protein thymosin beta-4; GHK-Cu (50mg), a copper-bound tripeptide first isolated from human blood plasma in 1973; and KPV (10mg), a three-amino-acid fragment…
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GHRP-2 (pralmorelin) is a synthetic hexapeptide — a chain of six amino acids with the sequence D-Ala-D-2-Nal-Ala-Trp-D-Phe-Lys-NH2. It has a molecular formula of C45H55N9O6, a molecular weight of 817.99 g/mol, and a CAS number of 158861-67-7. The peptide incorporates two unnatural D-amino acids and the non-standard residue D-2-naphthylalanine, giving it a structure distinct from naturally occurring peptides. GHRP-2 was developed…
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GHRP-6 is a synthetic hexapeptide with the amino acid sequence His-D-Trp-Ala-Trp-D-Phe-Lys-NH2. Its molecular formula is C46H56N12O6, its molecular weight is 873.01 g/mol, and its CAS number is 87616-84-0. The peptide contains two D-amino acids (D-tryptophan and D-phenylalanine), which are mirror-image forms of their natural counterparts that increase the molecule’s resistance to enzymatic degradation. GHRP-6 was first synthesized in the 1980s,…
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GLP2-T is a research-designated synthetic 39-amino acid peptide classified as a dual GIP/GLP-1 receptor ligand. First described in patent filings around 2016, the molecule is built on a GIP backbone with a C20 fatty diacid modification — a lipidation strategy common in modern peptide analog design. It has the molecular formula C225H348N48O68, a weight of approximately 4,810.52 g/mol, and CAS number…
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Melanotan 2 (MT-2) is a synthetic cyclic heptapeptide — a ring-shaped chain of seven amino acids — and an analog of alpha-melanocyte-stimulating hormone (alpha-MSH). It has the molecular formula C50H69N15O9, a molecular weight of 1024.20 g/mol, and a CAS number of 121062-08-6. Its defining structural feature is a lactam bridge, an internal bond that closes the amino acid chain into…
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Tesamorelin is a synthetic analog of growth hormone-releasing hormone (GHRH), composed of 44 amino acids with the molecular formula C221H366N72O67S and a molecular weight of 5,135.9 g/mol. It is also known by the research designation TH9507 (CAS 218949-48-5). Its structure is identical to naturally occurring human GHRH, except for a trans-3-hexenoic acid group added to the tyrosine at position 1,…
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This blend pairs Tesamorelin with Ipamorelin. Tesamorelin is a 44-amino-acid synthetic analog of growth hormone-releasing hormone (GHRH), formed by adding a trans-3-hexenoic acid group to the native GHRH(1-44) sequence. It has a molecular weight of 5135.9 g/mol and CAS number 901758-09-6. Ipamorelin is a pentapeptide — five amino acids — with the sequence Aib-His-D-2-Nal-D-Phe-Lys-NH₂, a molecular weight of 711.86 g/mol,…
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Thymosin Alpha 1 is a 28-amino-acid peptide with the molecular formula C129H215N33O55 and a molecular weight of 3,108.32 g/mol (CAS 62304-98-7). First isolated in 1977 from a calf thymus extract called Thymosin Fraction 5, it is also known as thymalfasin. The peptide has an acetyl group attached to its N-terminus and begins with serine. It contains no cysteine residues and no…
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Thymulin is a nonapeptide — a chain of nine amino acids — produced by epithelial cells in the thymus gland. It was first isolated and characterized in 1977 and has the sequence Pyr-Ala-Lys-Ser-Gln-Gly-Gly-Ser-Asn, with a molecular weight of approximately 858 g/mol (without zinc). Its molecular formula is C₃₃H₅₄N₁₂O₁₅. Thymulin is chemically unique among thymic peptides because it requires a zinc…
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