Peptides.

1. Tissue Repair & Healing Peptides

• BPC-157 (Body Protection Compound-157) Derived from a natural protective protein found in human gastric juice, BPC-157 works by accelerating angiogenesis—the formation of new blood vessels. By sprouting fresh vascular networks directly into damaged tissue, it delivers essential nutrients, oxygen, and growth factors to areas that naturally receive poor blood supply, such as tendons, ligaments, and cartilage. It also upregulates growth factor receptors (like VEGFR2) and directly heals the mucosal lining of the stomach and intestines.
• TB-500 (Thymosin Beta-4 Derivative) A synthetic fragment of Thymosin Beta-4, a naturally occurring peptide present in high concentrations in blood platelets and wound fluid. TB-500 works by sequestering actin, a structural building-block protein vital for cellular structure and movement. This enables damaged immune and repair cells to migrate rapidly to the site of an injury. It drastically reduces systemic tissue inflammation and works synergistically alongside BPC-157.
• GHK-Cu (Copper Tripeptide-1) A naturally occurring complex of copper bound to a tripeptide sequence found in human plasma. It acts as a gene-expression modulator, resetting thousands of genes to a more youthful state. It stimulates collagen and elastin synthesis, accelerates dermal and soft-tissue remodeling, and boosts superoxide dismutase (SOD) activity to neutralize free radicals.
• KPV (Lysine-Proline-Valine) A tripeptide derived from the terminal tail of Alpha-Melanocyte-Stimulating Hormone (α-MSH). KPV exerts potent anti-inflammatory effects through intracellular signaling without activating melanocortin skin-tanning receptors. It enters target cells and directly inhibits NF-κB (Nuclear Factor kappa B)—the primary master-switched complex driving chronic cellular inflammation, making it targeted for inflammatory bowel disorders (IBD/IBS) and autoimmune skin flares.

2. Growth Hormone Secretagogues (GHS)

• Ipamorelin A highly selective Ghrelin Receptor Agonist that binds to the Growth Hormone Secretagogue Receptor (GHSR) in the anterior pituitary gland. Unlike older secretagogues, Ipamorelin triggers a clean pulse of natural growth hormone (GH) without raising cortisol (stress hormone) or prolactin (which can cause gynecomastia).
• CJC-1295 (Without DAC / Mod-GRF 1-29) A modified 29-amino acid analogue of naturally occurring Growth Hormone-Releasing Hormone (GHRH). It binds to GHRH receptors on pituitary cells to signal GH release. Because it lacks the Drug Affinity Complex (DAC), it acts fast (half-life of ~30 minutes). When co-administered with Ipamorelin, it creates a synergistic "double-punch" release of growth hormone that mimics natural physiology.
• CJC-1295 (With DAC) Incorporates a Drug Affinity Complex (DAC) that covalently bonds to circulating albumin in the bloodstream. This extends its biological half-life from 30 minutes to 6–8 days, elevating baseline GH and IGF-1 levels constantly rather than producing isolated, natural pulses.
• Sermorelin An acetate salt form of the first 29 amino acids of human GHRH. It functions similarly to Mod-GRF 1-29 by binding to pituitary GHRH receptors, encouraging the pituitary gland to produce and secrete its own endogenous growth hormone.
• Tesamorelin A stabilized, 44-amino acid GHRH analogue with an added hexenoyl moiety that makes it resistant to rapid enzymatic degradation. It acts specifically on the pituitary to stimulate GH, which downstream drives significant lipolysis (fat breakdown) with a strong affinity for visceral adipose tissue (VAT)—the deep, dangerous fat surrounding abdominal organs.
• MK-677 (Ibutamoren) An oral, non-peptidic long-acting agonist of the ghrelin receptor. By mimicking ghrelin (the "hunger hormone"), MK-677 crosses the blood-brain barrier to trigger sustained, pulsatile secretagogue activity of GH and IGF-1 for up to 24 hours. A major side effect is a noticeable increase in appetite and transient fluid retention.
• GHRP-2 & GHRP-6 (Growth Hormone Releasing Peptides) First-generation synthetic hexapeptides that stimulate the pituitary via ghrelin receptors. GHRP-6 strongly triggers ghrelin release in the hypothalamus, causing intense, immediate hunger pangs. GHRP-2 is slightly more potent at raising GH with less impact on appetite, though both compounds cause mild elevations in cortisol and prolactin.

3. IGF-1 & Direct Anabolic Peptides

• IGF-1 LR3 (Long R3 IGF-1) An engineered 83-amino acid analogue of human Insulin-like Growth Factor-1. It contains a substitution of Glutamic acid for Arginine at position 3, plus a 13-amino acid N-terminal extension. This modification lowers its affinity for IGF-Binding Proteins (IGFBPs) by over 100-fold, allowing it to stay active in circulation for up to 20–24 hours (compared to minutes for native IGF-1) and driving hyperplasia (splitting and creation of new muscle cells).
• IGF-1 DES (1-3 IGF) A truncated variant of IGF-1 lacking the first three N-terminal amino acids. This structural loss prevents binding proteins from deactivating it, but gives it a short half-life (~20–30 minutes). It is injected locally into specific muscle groups immediately post-workout to trigger rapid, localized cell receptor binding and pump-mediated hypertrophy.
• PEG-MGF (Pegylated Mechano Growth Factor) A splice variant of IGF-1 (IGF-1Eb) expressed by damaged or overloaded muscle tissue. Native MGF signals local satellite cells (muscle stem cells) to fuse with damaged muscle fibers to rebuild tissue. Adding a Polyethylene Glycol (PEG) molecule prevents the body from breaking down the peptide rapidly, extending its half-life to several days so it can circulate systemically to speed muscle recovery.
• Follistatin-344 An autocrine-glycoprotein inhibitor that directly binds to and neutralizes Myostatin—the body's natural genetic regulator protein that prevents muscles from growing too large. Blocking myostatin lifts the natural limits on muscle size, though it carries potential risks to tendon strength due to rapid tissue expansion.

4. Metabolic & Incretin Peptides

• Semaglutide A GLP-1 (Glucagon-Like Peptide-1) Receptor Agonist. It mimics the natural gut incretin hormone released after eating. It acts on the brain's hypothalamus to suppress appetite, delays gastric emptying (keeping food in the stomach longer to prolong fullness), and optimizes glucose-dependent insulin secretion from the pancreas.
• Tirzepatide A Dual GLP-1 and GIP (Glucose-dependent Insulinotropic Polypeptide) Receptor Agonist. By activating both receptors simultaneously, Tirzepatide enhances insulin secretion, improves glucagon suppression, and reduces appetite more effectively than GLP-1 selective agents alone.
• Retatrutide A Triple Receptor Agonist targeting GLP-1, GIP, and Glucagon receptors. Adding glucagon receptor activation increases basal metabolic rate and energy expenditure directly in the liver and adipose tissue while GLP-1 and GIP keep appetite suppressed.
• AOD-9604 (Advanced Anti-Obesity Drug) A synthetic C-terminal fragment (amino acids 177–191) of human Growth Hormone. It isolates the fat-reducing properties of hGH without affecting IGF-1 levels, blood sugar, or tissue growth. It stimulates lipolysis (fat breakdown) and inhibits lipogenesis (the formation of new fat storage).
• 5-Amino-1MQ Technically a small-molecule enzyme inhibitor, often grouped with metabolic peptides. It selectively blocks Nicotinamide N-methyltransferase (NNMT), an enzyme overexpressed in fat cells that slows down metabolic rate. Inhibiting NNMT preserves intracellular NAD+ and SAMe levels, boosting cellular energy production and converting energy-storing white fat into active, energy-burning tissue.

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5. Nootropic, Cosmetic & Specialty Peptides

• Melanotan II (MT-2) A synthetic analogue of Alpha-Melanocyte-Stimulating Hormone (α-MSH). It binds non-selectively to Melanocortin receptors (MC1R through MC5R). Binding to MC1R stimulates skin pigment cells to produce melanin (tanning without UV exposure), while binding to central MC3R/MC4R receptors in the brain acts as a potent central trigger for libido and erectile function.
• PT-141 (Bremelanotide) A metabolite derivative of Melanotan II that selectively targets central MC3R and MC4R receptors in the brain while largely bypassing the skin-tanning MC1R receptor. It acts on the central nervous system to directly stimulate sexual desire and arousal in both men and women.
• Semax A heptapeptide synthetic analogue of ACTH (4-10). It crosses the blood-brain barrier to upregulate BDNF (Brain-Derived Neurotrophic Factor) and NGF (Nerve Growth Factor). It increases mental clarity, memory retention, and stress resistance by protecting neurons from oxidative stress and modulating dopamine and serotonin pathways.
• Selank A synthetic hexapeptide based on the naturally occurring immunomodulatory peptide Taftsin. It acts as a stable anxiolytic (anti-anxiety agent) by modulating GABA receptors and slowing the enzymatic degradation of endogenous enkephalins (feel-good endorphins). It reduces anxiety and stress without causing drowsiness or sedation.
• Epitalon (Epithalon) A synthetic tetrapeptide (Ala-Glu-Asp-Gly) based on Epithalamin, a natural pineal gland extract. Its primary mechanism is activating telomerase—the enzyme responsible for rebuilding protective telomere caps at the ends of chromosomes. By maintaining telomere length, it delays cellular senescence and regulates pineal gland melatonin production.