peptide directory
25 peptides · anonymous reports from the underground
Healing & Recovery
- BPC-157Body protective compound derived from human gastric juice. Animal studies focus on tendon repair, joint healing, and gut tissue regeneration.15 reports
- GHK-CuCopper-binding tripeptide naturally present in human plasma. Studied for its roles in wound healing and tissue remodeling.12 reports
- TB-500Synthetic fragment of thymosin beta-4, a protein found in blood platelets and wound fluid. Studied for its role in tissue repair signaling.6 reports
- KPVC-terminal tripeptide of alpha-MSH with anti-inflammatory properties. Research focuses on gut inflammation, Crohn's disease, and wound healing.2 reports
- Thymosin Alpha-1Naturally occurring thymic peptide involved in T-cell maturation and immune modulation. Used clinically for viral infections and immune deficiency.1 report
Growth & Performance
- CJC-1295Synthetic analogue of growth hormone-releasing hormone. Extends the half-life of endogenous GHRH through DAC technology.5 reports
- IpamorelinSelective growth hormone secretagogue often stacked with CJC-1295. Mimics ghrelin with a clean receptor profile and minimal off-target effects.3 reports
- TesamorelinGHRH analogue approved for HIV-associated lipodystrophy. Reduces visceral fat accumulation through sustained GH stimulation; available as Egrifta.2 reports
- SermorelinSynthetic analogue of the first 29 amino acids of endogenous GHRH. Used clinically to assess pituitary function and stimulate GH production.1 report
Weight Loss & Metabolic
- RetatrutideTriple agonist at GIP, GLP-1, and glucagon receptors. Phase 3 trials show weight loss exceeding current approved GLP-1 medications.47 reports
- TirzepatideDual GIP and GLP-1 receptor agonist sold as Mounjaro and Zepbound. Approved for type 2 diabetes and obesity; weekly injectable.18 reports
- SemaglutideGLP-1 receptor agonist sold as Ozempic and Wegovy. Approved for type 2 diabetes and weight management; available as weekly injectable or oral tablet.8 reports
Longevity & Anti-Aging
- NAD+Coenzyme central to cellular energy metabolism and DNA repair. Precursor supplementation studied for effects on metabolic and aging pathways.2 reports
- EpitalonSynthetic tetrapeptide analogue of epithalamin. Studied for effects on telomere length and circadian regulation in aging research.2 reports
- SS-31Mitochondria-targeting peptide that concentrates in the inner mitochondrial membrane. Studied for protection against oxidative stress and aging.2 reports
- DSIPDelta sleep-inducing peptide first isolated from rabbit brain during natural sleep. Studied for effects on sleep architecture and stress response.2 reports
Cognitive
- SemaxSynthetic heptapeptide derived from ACTH. Studied in Russia for cognitive enhancement and neuroprotection; nasal administration is common.7 reports
- SelankSynthetic analogue of the endogenous tuftsin peptide. Studied for anxiolytic and nootropic properties without sedation.4 reports
- PinealonSynthetic tripeptide from Russian longevity research developed alongside Epitalon. Studied for neuroprotective and circadian-regulating properties.1 report
- P21Synthetic peptide derived from CNTF. Preclinical research explores neurogenic and cognitive-enhancing effects through hippocampal neurogenesis pathways.1 report
- DihexaSynthetic peptide that potentiates HGF/MET signaling. Preclinical research explores cognitive enhancement in neurodegeneration models.1 report
Metabolic
Other
- Melanotan IISynthetic alpha-MSH analogue activating melanocortin receptors 1, 3, 4, and 5. Studied for tanning, appetite suppression, and sexual arousal.3 reports
- PT-141Melanocortin receptor agonist acting on MC3R and MC4R in the CNS. Approved as Bremelanotide for treating hypoactive sexual desire disorder.2 reports
- KisspeptinNeuropeptide that stimulates GnRH secretion from the hypothalamus. Studied for roles in fertility, puberty onset, and hormonal axis regulation.1 report