Research peptides, with the proof attached.

Tirzepatide is a synthetic 39-residue dual incretin receptor agonist targeting both GIP (glucose-dependent insulinotropic polypeptide) and GLP-1 (glucagon-like peptide-1) receptors. Studied in research on dual incretin receptor co-agonism and energy-homeostasis pathway modulation.

MOTS-c is a 16-amino-acid peptide encoded within the 12S ribosomal RNA gene of the mitochondrial genome, classified as a mitochondrial-derived peptide (MDP). Studied in research on AMPK-pathway activation, glucose utilization signaling, and mitochondrial-nuclear communication.

Vitamin B12 (cyanocobalamin) is a cobalt-containing corrinoid coenzyme essential for one-carbon metabolism, DNA synthesis, and methylmalonyl-CoA mutase activity. Studied in research on cobalamin-dependent enzymatic pathways and methylation-cycle models.

Glutathione (GSH) is a tripeptide (γ-Glu-Cys-Gly) and the principal endogenous antioxidant molecule in mammalian cells. Studied in research on redox homeostasis, reactive oxygen species (ROS) scavenging, and cellular oxidative stress response models.

NAD+ (nicotinamide adenine dinucleotide) is an endogenous coenzyme found in all living cells, functioning as an essential electron carrier in cellular oxidation-reduction reactions. Studied in research on sirtuin activation, PARP enzyme signaling, and mitochondrial energy metabolism.

SS-31 (Elamipretide) is a synthetic tetrapeptide of the Szeto-Schiller class, designed to concentrate in the inner mitochondrial membrane via electrostatic interaction with cardiolipin. Studied in research on mitochondrial membrane potential, electron transport chain efficiency, and oxidative stress models.

Small-molecule NNMT inhibitor studied in metabolic and weight-management research models. Content pending full review — inactive until description/specs are finalized.

BPC-157 (Body Protection Compound 157) is a synthetic pentadecapeptide — a 15-amino-acid sequence derived from a protein found in gastric juice. Studied in research on angiogenesis, nitric oxide signaling, and growth-factor pathway modulation.

GHK-Cu is a naturally occurring copper(II)-complexed tripeptide (Gly-His-Lys) found in human plasma, saliva, and urine. Studied in research on copper-binding metalloprotein activity, matrix metalloproteinase signaling, and extracellular-matrix models.

TB-500 is a synthetic peptide corresponding to the actin-binding domain of Thymosin Beta-4 — a 43-amino-acid protein involved in cytoskeletal actin sequestration. Studied in research on actin-polymerization dynamics and cytoskeletal signaling pathways.

Melanotan II is a synthetic cyclic heptapeptide analog of alpha-melanocyte-stimulating hormone (α-MSH). Studied in research on melanocortin receptor (MC1R, MC3R, MC4R) binding affinity and melanotropin signaling pathways.

PT-141 (Bremelanotide) is a synthetic cyclic heptapeptide and active metabolite of Melanotan II, acting as a non-selective melanocortin receptor agonist with affinity for MC1R, MC3R, and MC4R. Studied in research on melanocortin receptor signaling pathways.

A lyophilized research blend co-formulating CJC-1295 (without DAC) — a modified GHRH(1-29) analog (Mod-GRF 1-29) — with Ipamorelin, a selective GHS-R1a agonist, in a single vial. Studied in research on complementary GHRH-receptor and ghrelin-receptor signaling pathways.

Thymosin Alpha-1 (Tα1) is a naturally occurring 28-amino-acid peptide derived from prothymosin alpha, produced by the thymus gland. Studied in research on dendritic cell maturation, T-cell receptor signaling, and toll-like receptor (TLR) pathway activity in immunological models.

Melanotan I (afamelanotide) is a linear 13-residue synthetic analog of native alpha-melanocyte-stimulating hormone, carrying Nle4 and D-Phe7 substitutions with N-terminal acetylation and C-terminal amidation for extended stability. Studied in research on melanocortin receptor (MC1R) binding affinity and melanogenesis signaling pathways.

Tesamorelin is a synthetic analog of endogenous GHRH(1-44) bearing a trans-3-hexenoic acid N-terminal modification that confers enhanced plasma stability. Studied in research on GHRH-receptor agonism and somatotropic (GH/IGF-1) axis signaling.

Ipamorelin is a synthetic pentapeptide and selective GHS-R1a (ghrelin receptor) agonist. Studied in research on pulsatile growth hormone secretagogue signaling, notable for its high receptor selectivity relative to earlier-generation GHRPs.

A four-peptide lyophilized research blend co-formulating BPC-157 (10 mg), TB-500 (10 mg), GHK-Cu (50 mg), and KPV (10 mg) in a single vial. Studied in research on combined angiogenesis, cytoskeletal actin-signaling, metalloprotein activity, and NF-κB pathway modulation.

A lyophilized research blend co-formulating BPC-157 (Body Protection Compound 157, pentadecapeptide) and TB-500 (Thymosin Beta-4 actin-binding fragment) in a 1:1 ratio. Supplied as a single vial for research on combined angiogenesis and actin-signaling pathway modulation.

0.9% benzyl alcohol bacteriostatic water — research-use-only laboratory reagent.

Semax is a synthetic heptapeptide analog of the ACTH(4-7) pro-hormone fragment, extended with a Pro-Gly-Pro C-terminal sequence for enhanced stability. Studied in research on BDNF expression, melanocortin receptor activity, and CNS signaling models.