Peptide Encyclopedia — Research Compound Overviews
153 research compounds with in-depth overviews covering mechanisms of action, research protocols, half-lives, dosing guidance, peptide interactions, safety notes, and verified vendor availability.
A small molecule inhibitor of NNMT (Nicotinamide N-Methyltransferase), an enzyme involved in regulating cellular metabolism and fat storage. Research in animal models has shown 5-Amino-1MQ to support
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9-Methyl-β-carboline — a naturally occurring alkaloid and potent dopaminergic neuroprotective compound. 9-ME-BC enhances dopamine synthesis, promotes the growth and survival of dopaminergic neurons, i
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A tripeptide copper complex (Ala-His-Lys bound to Cu²⁺) naturally found in human plasma and seminal fluid. AHK-Cu promotes collagen and elastin synthesis, accelerates wound healing, stimulates hair fo
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5-Aminoimidazole-4-carboxamide ribonucleotide — a cell-permeable nucleoside analog that activates AMP-activated protein kinase (AMPK), the cellular energy sensor. AICAR is studied as an exercise mimet
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ALCAR is the acetylated form of L-carnitine, a naturally occurring molecule involved in mitochondrial fatty-acid transport and energy metabolism. Because it can cross the blood-brain barrier and donat
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A synthetic fragment of human growth hormone (hGH) consisting of the C-terminal amino acids 176 to 191. Unlike full hGH, AOD-9604 does not activate IGF-1 pathways. Preclinical research has shown it to
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A small peptide derived from the non-hematopoietic region of erythropoietin (EPO) that targets the innate repair receptor (IRR) without activating red blood cell production pathways. Studied for its a
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A direct pan-AMPK activator that bypasses the cell's energy-state requirement and flips the metabolic switch toward fat oxidation and glucose uptake. Oral exercise-mimetic with Phase 1 human safety da
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A structurally enhanced derivative of Selank, featuring N-terminal acetylation and C-terminal amidation for superior stability, extended half-life, and improved blood-brain barrier penetration. Studie
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A next-generation synthetic nootropic peptide derived from the same ACTH-based backbone as Semax, modified with an N-terminal acetyl group and C-terminal adamantane moiety to improve blood-brain barri
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Adrafinil is a synthetic eugeroic compound developed as a prodrug that is metabolized primarily in the liver to modafinil, the wakefulness-promoting agent responsible for most of its pharmacological e
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Agmatine is an endogenous polyamine neurotransmitter formed by the decarboxylation of L-arginine, acting as a neuromodulator with a remarkably broad pharmacological profile that includes NMDA receptor
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Alpha-GPC (alpha-glycerylphosphorylcholine), also called choline alfoscerate, is a naturally occurring choline-containing phospholipid intermediate and a source of choline for acetylcholine synthesis.
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Alpha-lipoic acid is a naturally occurring sulfur-containing cofactor and redox-active compound involved in mitochondrial energy metabolism. It can regenerate selected antioxidants, influence insulin
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Aniracetam is a synthetic, fat-soluble racetam compound investigated for effects on learning, memory, mood, and anxiety-related behavior. Its best-characterized molecular action is positive allosteric
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Armodafinil is the R-enantiomer of modafinil, a wakefulness-promoting compound used primarily to reduce excessive sleepiness associated with narcolepsy, obstructive sleep apnea, and shift work sleep d
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Ashwagandha (Withania somnifera) is an adaptogenic herb whose principal studied compounds are withanolides, steroidal lactones that may influence stress, inflammation, and neuroendocrine signaling. Cl
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A mitochondrial protonophore that uncouples oxidative phosphorylation, releasing energy as heat instead of ATP — fat loss via elevated energy expenditure without appetite suppression. Rodent evidence
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A synthetic pentadecapeptide (15 amino acids) derived from a protein found in human gastric juice. One of the most extensively studied research peptides in the preclinical literature, with documented
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The Wolverine Stack combines BPC-157 (Body Protection Compound-157) and TB-500 (Thymosin Beta-4 fragment) for enhanced tissue repair and recovery. Named after the Marvel character known for regenerati
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The Phoenix Stack combines BPC-157, TB-500, and KPV into a comprehensive repair and recovery blend. BPC-157 promotes angiogenesis and GI mucosal protection, TB-500 enables cell migration and reduces s
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Bacopa monnieri is an Ayurvedic herb and research nootropic whose principal active compounds are triterpenoid saponins known as bacosides, particularly bacosides A and B. Human research suggests that
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An isoquinoline alkaloid derived from Berberis and Coptis plants, widely studied as a natural AMPK activator with clinical evidence for blood glucose reduction, lipid management, and metabolic health
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A stimulant-adaptogen hybrid compound originally developed in Russia. Increases dopamine synthesis and transport while reducing stress-related fatigue through adaptogenic mechanisms. Studied in the co
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A peptide studied for its influence on airway structure and pulmonary inflammation regulation. Research has focused on applications involving chronic bronchitis models, post-infection respiratory reco
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CDP-choline, commonly called citicoline, is a naturally occurring intermediate in the synthesis of phosphatidylcholine and a source of both choline and cytidine. Oral citicoline has been studied for a
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A synthetic analog of Growth Hormone Releasing Hormone (GHRH) without a Drug Affinity Complex, also called Modified GRF 1-29. It produces sharp, short-duration GH pulses that closely mimic the body's
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A long-acting synthetic analog of Growth Hormone Releasing Hormone (GHRH) modified with a Drug Affinity Complex (DAC) that covalently binds albumin in the bloodstream, extending the half-life to 6–8 d
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A combination protocol using CJC-1295 without DAC (also known as Mod GRF 1-29) and Ipamorelin through complementary receptor mechanisms. CJC-1295 without DAC has a short half-life of 30 minutes to 2 h
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A long-acting amylin analog studied for its effects on appetite regulation, satiety signaling, and metabolic markers. Targets amylin receptors in the hypothalamus, producing complementary appetite-sup
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A cardiac-focused peptide studied for its influence on myocardial tissue stability, vascular tone regulation, and cardiac resilience under physical or age-related stress. Research interest includes en
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A peptide studied specifically for cartilage regeneration, joint recovery, and connective-tissue support under aging or physical stress conditions. Research interest focuses on mobility preservation a
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Centrophenoxine, also called meclofenoxate, is a synthetic nootropic compound formed from dimethylaminoethanol (DMAE) and p-chlorophenoxyacetic acid (pCPA). It has been investigated for effects on cho
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A neuropeptide preparation composed of low-molecular-weight peptides and amino acids derived from purified porcine brain protein. Studied for its neurotrophic, neuroprotective, and neuroregenerative p
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A tetrapeptide bioregulator (Ala-Glu-Asp-Leu) developed by Khavinson's group for bronchial and alveolar epithelium restoration. Research interest includes chronic respiratory disease, COPD, pulmonary
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CoQ10 (ubiquinol) is the reduced, lipid-soluble form of coenzyme Q10, an endogenous quinone that transfers electrons within the mitochondrial respiratory chain and participates in cellular antioxidant
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Coluracetam is an investigational racetam compound developed as a high-affinity choline uptake (HACU) enhancer, with preclinical evidence suggesting increased availability of choline for acetylcholine
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A tetrapeptide bioregulator (Ala-Glu-Asp-Arg) developed by Khavinson's group targeting gene expression in cerebral cortex neurons. Research interest includes age-related cognitive decline, neuroprotec
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A polypeptide neuropeptide complex derived from porcine cerebral cortex tissue, manufactured by Geropharm in Russia. Cortexin contains a broad spectrum of low-molecular-weight neuropeptides including
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Dehydroepiandrosterone (DHEA) is the most abundant steroid hormone in the human body, produced primarily by the adrenal cortex and to a lesser extent by the gonads and brain, serving as the principal
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A naturally occurring neuropeptide studied for its influence on sleep architecture, deep-sleep stage regulation, and nighttime cortisol reduction. Research has focused on improving restorative sleep q
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A synthetic hexapeptide derived from angiotensin IV that promotes synaptogenesis through the HGF/c-Met receptor signaling axis. Developed at Washington State University, Dihexa is studied for its stru
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Eleuthero (Eleutherococcus senticosus) is an adaptogenic plant whose principal research markers are eleutherosides, especially eleutherosides B and E, rather than the ginsenosides found in Panax ginse
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Eloralintide (LY3841136) is a novel once-weekly, selective AMY1R amylin receptor agonist developed by Eli Lilly for the treatment of obesity. Unlike cagrilintide, which non-selectively activates amyli
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Oral selective estrogen receptor antagonist (SERM) that restores endogenous testosterone by blocking estrogen's negative feedback at the hypothalamus. The trans-isomer of clomiphene citrate, isolated
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A synthetic tetrapeptide (Ala-Glu-Asp-Gly) studied extensively by Russian researchers including Vladimir Khavinson for its effects on telomerase activation, circadian rhythm regulation, immune tone, a
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A recombinant follistatin-albumin fusion protein engineered to selectively inhibit myostatin and related TGF-β superfamily ligands while extending circulation via albumin binding technology. Research
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A synthetic D-amino acid retro-inverso peptide designed to interfere with the FOXO4-p53 interaction that allows senescent cells to resist apoptosis. Studied for its potential to selectively clear sene
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Fasoracetam is an investigational racetam compound, also known as NS-105, whose preclinical profile includes increased GABA-B receptor expression or signaling and modulation of metabotropic glutamate
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Fisetin is a naturally occurring flavonoid found in foods such as strawberries, apples, and onions and studied for antioxidant, anti-inflammatory, neuroprotective, and senolytic activity. Preclinical
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A naturally occurring glycoprotein and potent endogenous inhibitor of myostatin and activin — TGF-β superfamily members that limit muscle growth. Follistatin 344 is the predominant muscle isoform; by
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A naturally occurring copper-binding tripeptide (glycine-histidine-lysine) found in human plasma, saliva, and urine, with concentrations declining significantly with age. The fastest-growing peptide s
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Growth Hormone Releasing Hormone (GHRH) is a 44-amino acid hypothalamic peptide that stimulates growth hormone (GH) secretion from the anterior pituitary by binding to GHRH receptors on somatotroph ce
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A synthetic hexapeptide GH secretagogue (GHS-R1a agonist) with published human pharmacokinetic data, pediatric short-stature trials, and adult studies on GH pulsatility, appetite stimulation, and anti
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A synthetic hexapeptide growth hormone releasing peptide similar to GHRP-2 but with significantly stronger appetite-stimulating effects due to more robust ghrelin receptor activation. Studied for GH r
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The Glow Protocol is a peptide combination featuring BPC-157, TB-500, and GHK-Cu (Copper Peptide) marketed for skin rejuvenation and anti-aging. While individual components have research backing, comb
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GW-501516, commonly called Cardarine or Endurobol, is an experimental selective agonist of peroxisome proliferator-activated receptor delta (PPARδ), a nuclear receptor involved in fatty-acid metabolis
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A tripeptide (glutamate-cysteine-glycine) serving as the body's primary intracellular antioxidant and redox buffer. Synthesized primarily in the liver, it neutralizes reactive oxygen species, supports
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Synthetic decapeptide identical to endogenous gonadotropin-releasing hormone (GnRH). Gonadorelin is researched as a pituitary stimulus for LH and FSH release and in pulsatile GnRH designs for hypogona
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Human Chorionic Gonadotropin — a glycoprotein hormone produced naturally during pregnancy that mimics Luteinizing Hormone (LH) at the LH receptor. In research contexts HCG is studied for stimulating t
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Human Growth Hormone (HGH), also known as somatropin or somatotropin, is a 191 amino acid single-chain polypeptide hormone naturally produced by the anterior pituitary gland. Recombinant HGH (rhGH/som
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HGH Fragment 176-191 is a synthetic 16-amino-acid peptide corresponding to the C-terminal region of human growth hormone. It was developed to investigate growth-hormone-associated effects on lipid met
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Combination gonadotropin pharmaceutical (FSH + LH activity) used for female ovulation induction and male spermatogenesis restoration. Distinguished from hCG (LH-only) and Gonadorelin (pituitary-acting
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One of the most potent synthetic GH-releasing peptides, studied for its strong stimulation of GH secretion, muscle repair support, and potential cardioprotective effects. Research has also explored it
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Humanin is a mitochondria-derived peptide encoded within the mitochondrial 16S ribosomal RNA region and associated with cytoprotective signaling. First described in 2001 in a study of Alzheimer's dise
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Huperzine A is a naturally occurring alkaloid isolated primarily from the club moss Huperzia serrata and studied for its reversible inhibition of acetylcholinesterase, the enzyme that breaks down acet
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Truncated IGF-1 analog with the first three N-terminal amino acids removed (des(1-3)IGF-1), giving it significantly reduced IGF-binding protein affinity and very short half-life (~20–30 min). Higher e
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A long-acting synthetic analog of Insulin-Like Growth Factor 1 (IGF-1), modified to resist binding to IGF-binding proteins, extending its active half-life and systemic distribution compared to native
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A selective, third-generation GHRP studied for its mild but consistent GH-releasing effects without significant impact on cortisol, prolactin, or appetite. Frequently combined with CJC-1295 No-DAC for
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KLOW is a research peptide combination that builds upon the GLOW protocol by adding KPV for enhanced anti-inflammatory effects. This 80mg blend typically contains 50mg GHK-Cu, 10mg TB-500, 10mg BPC-15
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A tripeptide (Lys-Pro-Val) derived from the C-terminal of alpha-melanocyte stimulating hormone (α-MSH). Studied for potent anti-inflammatory effects across skin, gut, and systemic pathways through mel
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A naturally occurring neuropeptide that activates GnRH (gonadotropin-releasing hormone) neurons in the hypothalamus, driving the upstream regulation of reproductive hormones. Studied for its role in f
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A transmembrane anti-aging protein (KL gene) and family of derived peptides (KP1, KP6) under preclinical investigation. Membrane-bound Klotho co-receptors FGF23/FGFR1c to regulate phosphate and vitami
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An amino acid derivative that plays a central role in transporting long-chain fatty acids across the inner mitochondrial membrane for beta-oxidation and ATP production. Studied for fat utilization, en
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LGD-4033, also called Ligandrol or VK5211, is an investigational nonsteroidal selective androgen receptor modulator developed to stimulate anabolic signaling in skeletal muscle and bone while limiting
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The only known human cathelicidin antimicrobial peptide, produced by immune cells and epithelial tissues as part of innate immune defense. Studied for broad-spectrum antimicrobial activity against bac
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Lion's Mane is the common name for Hericium erinaceus, an edible medicinal mushroom recognized by its white, cascading spines and use in traditional East Asian food and herbal practice. Modern researc
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Liraglutide is a long-acting GLP-1 receptor agonist with 97% homology to native human GLP-1, administered via once-daily subcutaneous injection for type 2 diabetes management (Victoza) and chronic wei
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A tetrapeptide bioregulator (Lys-Glu-Asp-Ala / KEDA) from the Khavinson family, targeting liver, lymphocytes, and GI/immune systems. Acts via chromatin decondensation in aged nuclei, restoring gene ex
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IGF-1 splice variant (IGF-1Ec) produced locally in muscle tissue in response to mechanical stress or injury. Activates quiescent satellite cells — the muscle stem cells required for repair and adaptat
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MK-2866, also called ostarine, enobosarm, or GTx-024, is an investigational nonsteroidal selective androgen receptor modulator developed to promote anabolic effects in muscle and bone while producing
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A non-peptide GH secretagogue (ghrelin mimetic) that activates the ghrelin receptor to stimulate GH and IGF-1 secretion. Distinguished by its oral bioavailability, eliminating the need for injection.
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A 16-amino acid peptide encoded within mitochondrial DNA, classified as a mitochondrial-derived peptide (MDP). Activates AMPK, improving glucose uptake, fatty acid oxidation, and mitochondrial biogene
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A next-generation multi-receptor agonist targeting GLP-1 and glucagon receptors simultaneously. Studied for its dual-mechanism approach to fat reduction and metabolic syndrome improvement. Early resea
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A synthetic analog of alpha-MSH studied for its ability to stimulate melanin production, producing UV-protective skin pigmentation with minimal effects on libido or appetite compared to MT-2. Research
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A synthetic cyclic analog of alpha-MSH with broader melanocortin receptor activation than MT-1, producing strong tanning responses alongside significant libido-enhancing and appetite-suppressive effec
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Melatonin is an endogenous pineal hormone that coordinates circadian timing and is studied in reproductive research for its antioxidant activity in follicular fluid. Fertility protocols commonly exami
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A synthetic redox-active compound studied at low concentrations for its ability to accept and donate electrons in the mitochondrial electron transport chain, improving ATP production efficiency. Resea
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Modafinil is a prescription wakefulness-promoting agent, also called a eugeroic, used primarily to improve alertness in narcolepsy, obstructive sleep apnea-related excessive sleepiness, and shift work
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Myo-Inositol is a naturally occurring carbohydrate-like compound that acts as a second messenger in insulin and follicle-stimulating hormone signaling. It is researched for ovarian function, insulin s
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A coenzyme found in every living cell and essential for ATP production, DNA repair, sirtuin activation, and mitochondrial function. NAD+ levels decline dramatically with age. Studied through precursor
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Nicotinamide mononucleotide (NMN) is a naturally occurring nucleotide intermediate in the biosynthesis of nicotinamide adenine dinucleotide (NAD+), a cofactor involved in cellular energy metabolism, D
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Nicotinamide riboside (NR) is a naturally occurring form of vitamin B3 and a precursor to nicotinamide adenine dinucleotide (NAD+), a coenzyme required for mitochondrial energy metabolism, redox react
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NSI-189 phosphate is an investigational benzylpiperazine aminopyridine developed by Neuralstem Inc.; it is not a racetam. Preclinical and early clinical research indicates that it may stimulate hippoc
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Omberacetam (also known as Noopept or GVS-111) is a synthetic nootropic dipeptide (N-phenylacetyl-L-prolylglycine ethyl ester) developed in Russia in 1996 for its potent cognitive-enhancing and neurop
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A synthetic tripeptide bioregulator (Glu-Asp-Leu / EDL) from the Khavinson family, targeting liver and GI tissue through proposed chromatin decondensation, gene activation, and cytoprotective pathways
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Oxiracetam is a synthetic, water-soluble racetam compound investigated for effects on attention, learning, memory, and higher-order cognition. Preclinical and limited clinical literature suggests that
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A nine-amino-acid peptide hormone (CYIQNCPLG) with FDA-approved obstetric use (IV/IM: labor induction, postpartum hemorrhage) and active experimental use via intranasal spray for social cognition, aut
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A synthetic tetrapeptide derived from the biologically active region of human ciliary neurotrophic factor (CNTF). Featuring an adamantylated glycine modification for enhanced blood-brain barrier penet
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A synthetic peptide analog studied for its influence on neuroinflammation regulation, pain pathway modulation, and mood stabilization through serotonin system interaction. Research interest includes c
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PEGylated Mechano Growth Factor — a polyethylene glycol-modified version of MGF, a splice variant of IGF-1 produced in response to mechanical stress and tissue damage. PEGylation extends the half-life
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A p53-derived chimeric peptide that selectively induces apoptosis in cancer cells while leaving normal cells unaffected. PNC-27 contains the MDM2-binding domain of p53 fused to a membrane-penetrating
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A cyclic heptapeptide melanocortin receptor agonist studied for its influence on sexual arousal and libido in both male and female research models. Acts centrally through melanocortin receptors in the
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Panax ginseng, commonly called Korean or Asian ginseng, contains ginsenosides such as Rb1, Rg1, Re, and Rg3 that appear to influence the nervous, endocrine, vascular, metabolic, and immune systems. Re
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A peptide studied for pancreatic cell wellness, insulin sensitivity support, and glucose-handling pathway regulation. Research interest includes metabolic health and pancreatic function preservation i
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Phenibut is a synthetic derivative of gamma-aminobutyric acid (GABA) that acts primarily as a GABA-B receptor agonist, with additional effects reported at higher exposures and through downstream dopam
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Phenylpiracetam, also known as phenotropil or carphedon, is a synthetic racetam produced by adding a phenyl group to the piracetam structure. The modification is associated with greater central nervou
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A peptide studied for kidney (nephron) structural integrity support, renal filtration capacity, and recovery from chronic renal stress. Research interest includes kidney health in aging and detoxifica
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A peptide studied for memory formation support, stress resilience, cognitive processing under load, and mood regulation. Often included in neuroprotection research stacks alongside Cerluten and Semax.
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Piracetam is the prototypical racetam nootropic, first synthesized in 1964 by Dr. Corneliu Giurgea at UCB Pharma. It enhances cognitive function by modulating AMPA receptors and improving neuronal mem
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Pramiracetam is a synthetic racetam derivative related to piracetam and is often described by commercial sources as being up to 30 times more potent by mass, although this figure is not a clinically v
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Pregnenolone is the master precursor neurosteroid synthesized from cholesterol in the mitochondria of steroidogenic tissues including the adrenals, gonads, and brain, serving as the biochemical starti
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A peptide studied for prostate-cell structural support, prostate inflammatory signaling regulation, and epigenetic stabilization. Research interest includes male longevity and prostate health applicat
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Quercetin is a naturally occurring flavonoid polyphenol found in foods such as onions, apples, berries, and capers. It is studied for antioxidant, anti-inflammatory, vascular, and potential senolytic
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RAD-140, also called Testolone, is an investigational nonsteroidal selective androgen receptor modulator (SARM) developed to produce anabolic signaling in tissues such as skeletal muscle and bone whil
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Rapamycin, also called sirolimus, is a macrolide compound that forms a complex with FKBP12 and inhibits mechanistic target of rapamycin complex 1 (mTORC1), a central regulator of growth, nutrient sens
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Resveratrol is a naturally occurring stilbene polyphenol found in the skins of red grapes, berries, peanuts, and several medicinal plants. It is investigated for effects on cellular stress responses,
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A triple receptor agonist targeting GLP-1, GIP, and glucagon receptors simultaneously, producing the broadest hormonal coverage of any GLP-1 class compound currently in trials. Phase 2 clinical trial
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Rhodiola rosea is an Arctic and alpine adaptogen whose best-known constituents are rosavins and salidroside, compounds studied for effects on fatigue resistance, stress physiology, cognition, and exer
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S23 is an experimental, nonsteroidal selective androgen receptor modulator (SARM) developed for research into androgen-receptor biology, muscle-related endpoints, and male reproductive suppression. It
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S4, also known as Andarine or GTx-007, is an investigational nonsteroidal selective androgen receptor modulator (SARM) developed by GTx, Inc. It was studied for potential effects on muscle, bone, and
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A potent agonist of estrogen-related receptors ERRα and ERRγ — orphan nuclear receptors that regulate mitochondrial biogenesis and oxidative metabolism. SLU-PP-332 is studied as an exercise mimetic th
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An octapeptide analog of the N-terminal end of SNAP-25 — a component of the SNARE protein complex responsible for acetylcholine release at the neuromuscular junction. By competing with SNAP-25 for SNA
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SR9009, commonly called Stenabolic, is a synthetic agonist of the nuclear receptors REV-ERBα and REV-ERBβ, which participate in circadian-clock regulation and metabolic gene expression. It is not a se
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A water-soluble, cell-permeable tetrapeptide that selectively targets cardiolipin on the inner mitochondrial membrane, stabilizing electron transport chain supercomplexes and reducing reactive oxygen
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A synthetic heptapeptide derived from the naturally occurring immunoregulatory peptide tuftsin. Studied for anxiolytic effects through GABAergic modulation without sedation or dependence risk, BDNF up
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A synthetic GLP-1 receptor agonist with a modified fatty acid chain enabling once-weekly subcutaneous administration or oral delivery. FDA-approved under brand names Ozempic (diabetes) and Wegovy (wei
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A synthetic heptapeptide derived from ACTH (4-10) developed in Russia with extensive research history. Studied for BDNF upregulation, cognitive enhancement, memory and focus improvement, neurological
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A synthetic 29-amino acid analog of endogenous GHRH (Growth Hormone Releasing Hormone), representing the biologically active fragment that stimulates pituitary GH secretion. Studied for natural pulsat
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Purified shilajit is a mineral-rich, organic resin containing fulvic acid, humic substances, dibenzo-alpha-pyrones, and trace minerals. Fulvic acid may support cellular nutrient transport and redox pr
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Spermidine is a naturally occurring polyamine found in human cells and in foods such as wheat germ, legumes, mushrooms, and aged foods. It is studied primarily for its ability to influence autophagy,
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Sulbutiamine is a synthetic, lipophilic derivative of thiamine (vitamin B1) developed in Japan during the 1960s. It consists of two modified thiamine units joined through a sulfur-containing disulfide
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Sunifiram (DM-235) is a synthetic ampakine-like research compound developed from the piracetam-related nootropic research tradition, although it is structurally distinct from piracetam and has been de
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A dual GIP/GLP-1 receptor agonist studied for its complementary approach to glucose regulation and adiposity reduction. Research interest includes weight-loss outcomes, insulin sensitivity improvement
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A synthetic fragment of Thymosin Beta-4, a naturally occurring peptide found in virtually every cell in the body. Its primary mechanism involves modulation of actin, enabling effective migration of re
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Testosterone Replacement Therapy (TRT) is FDA-approved for treating male hypogonadism (low testosterone) caused by testicular failure or hypothalamic-pituitary dysfunction. Testosterone cypionate and
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A synthetic stabilized analog of GHRH studied for its targeted effects on visceral fat reduction, metabolic health improvement, sleep quality, and GH/IGF-1 output. The only GHRH analog with FDA approv
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A triple monoamine reuptake inhibitor originally developed for Parkinson's disease, studied for its effects on appetite suppression through dopamine, norepinephrine, and serotonin reuptake inhibition.
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A peptide studied for testosterone pathway support, libido maintenance, and vitality marker regulation in male research models. Often included in male optimization and hormonal longevity research stac
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A peptide complex derived from the thymus gland studied for T-cell development support, immune calibration, and recovery from chronic inflammatory load. Research interest includes immune tone normaliz
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A dipeptide studied for immune restoration following infection, normalization of post-infection inflammatory cycles, and systemic immune resilience support. Research interest includes post-illness rec
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A naturally occurring 28-amino acid peptide produced by the thymus gland, studied for its role in T-cell maturation, antiviral immune signaling, and inflammatory tone regulation. Has the most develope
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A zinc-dependent nonapeptide hormone secreted exclusively by thymic epithelial cells. Thymulin plays a central role in T-lymphocyte maturation and immune regulation, and its circulating levels decline
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A dual GIP/GLP-1 receptor agonist FDA-approved under the brand names Mounjaro (diabetes) and Zepbound (weight management). The dual incretin mechanism produces greater weight loss than GLP-1 agonism a
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Tongkat Ali (Eurycoma longifolia) is a Southeast Asian root extract whose best-known bioactive constituents are quassinoids, especially eurycomanone. Early human and mechanistic research suggests that
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A synthetic GnRH (gonadotropin-releasing hormone) decapeptide agonist used in research as a single-dose HPTA restart protocol following anabolic steroid or SARM suppression. At 100 mcg SubQ, a single
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A 28-amino acid neuropeptide found throughout the nervous system, gut, and lungs. Studied for its potent vasodilatory, anti-inflammatory, and neuroprotective effects. Research interest includes respir
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Vasopressin (arginine vasopressin, AVP), also known as antidiuretic hormone (ADH), is a neuropeptide synthesized in the hypothalamus and released from the posterior pituitary, playing critical roles i
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A vascular peptide bioregulator (Cytomax A-3) containing low-molecular peptides isolated from bovine aortic tissue. Studied for improving vascular wall metabolism, normalizing blood lipid profiles, su
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A tetrapeptide bioregulator developed by Khavinson's group targeting urothelial and smooth muscle gene expression in the bladder and lower urinary tract. Research interest includes age-related bladder
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A peptide studied for vascular wall integrity support, microcirculation improvement, and vascular healing. Research interest includes varicocele models and vascular resilience applications. Often comb
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A synthetic Lys-Glu (KE) dipeptide bioregulator and one of the shortest bioactive peptides ever studied. Derived from thymus tissue and synthesized for immune-gene expression modulation via chromatin
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YK-11 is an experimental steroidal androgen-receptor ligand commonly described as a selective androgen receptor modulator (SARM) and as a compound that may influence the myostatin–follistatin pathway.
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Using The Peptide Bible
What is The Peptide Bible?
The Peptide Bible is RUO Codes' directory of research peptides and bioregulators. Each entry provides a research overview and links to available vendor listings and active coupon codes when available.
How do I find a compound?
Use the search field to look up a compound by name or an alternative name, then narrow the directory by research classification or sort entries alphabetically.
What is included in a compound entry?
Compound entries bring together a research summary, reference information, related vendor availability, and current coupon listings when those details are available.