Guides
Our article library — what each peptide is, how it works and what the research shows.
FEATURED GUIDE
Reconstitution Guide
How to store, mix, measure and inject research peptides — step by step.
46 articles
5-amino-1mq: What It Is, How It Works & What the Research Shows
5-Amino-1MQ is a small-molecule (non-peptide) inhibitor of nicotinamide N-methyltransferase (NNMT), an enzyme that is overactive in fat tissue.
~3 min read
Adamax: What It Is, How It Works & What the Research Shows
Adamax is a newer synthetic derivative of Semax, modified to increase stability and duration of action.
~3 min read
AOD-9604: What It Is, How It Works & What the Research Shows
AOD-9604 is a modified fragment of human growth hormone (amino acids 177–191).
~3 min read
ARA-290: What It Is, How It Works & What the Research Shows
ARA-290 (cibinetide) is an 11-amino-acid peptide derived from erythropoietin (EPO).
~3 min read
Buffered NAD+: What It Is, How It Works & What the Research Shows
Buffered NAD+ is NAD+ formulated with a buffering agent to bring it closer to physiological pH, intended to reduce the stinging and discomfort that standard NAD+ injections can cause.
~3 min read
Cagrilintide: What It Is, How It Works & What the Research Shows
Cagrilintide is a long-acting analog of amylin, a hormone released alongside insulin that promotes fullness and slows stomach emptying.
~3 min read
Cartalax: What It Is, How It Works & What the Research Shows
Cartalax is a synthetic tripeptide (Ala-Glu-Asp) from the Khavinson family of peptide bioregulators, developed in Russia.
~3 min read
CJC-1295 (no DAC) + IPA: What It Is, How It Works & What the Research Shows
This blend combines two growth hormone secretagogues that work through different receptors.
~3 min read
Cortagen: What It Is, How It Works & What the Research Shows
Cortagen is a synthetic tetrapeptide (Ala-Glu-Asp-Pro) from the Khavinson bioregulator family, modeled on peptides derived from brain cortex tissue.
~3 min read
DSIP: What It Is, How It Works & What the Research Shows
DSIP (delta sleep-inducing peptide) is a 9-amino-acid neuropeptide first isolated in 1977 from rabbits in deep sleep.
~3 min read
Epithalon: What It Is, How It Works & What the Research Shows
Epithalon (Epitalon) is a synthetic tetrapeptide (Ala-Glu-Asp-Gly) based on epithalamin, a natural extract of the pineal gland.
~3 min read
FOXO4-DRI: What It Is, How It Works & What the Research Shows
FOXO4-DRI is a modified (D-retro-inverso) peptide designed as a senolytic, meaning it selectively clears senescent cells that accumulate with age.
~3 min read
GLOW 70: What It Is, How It Works & What the Research Shows
GLOW is a regenerative blend of GHK-Cu, BPC-157 and TB-500 aimed at skin and tissue repair.
~3 min read
Glutathione: What It Is, How It Works & What the Research Shows
Glutathione is a tripeptide (glutamate, cysteine and glycine) and the body's main intracellular antioxidant.
~3 min read
Ipamorelin: What It Is, How It Works & What the Research Shows
Ipamorelin is a selective growth hormone secretagogue: a pentapeptide that activates the ghrelin receptor to trigger a pulse of growth hormone from the pituitary.
~3 min read
Kisspeptin: What It Is, How It Works & What the Research Shows
Kisspeptin is a hormone that sits at the top of the reproductive axis.
~3 min read
KLOW: What It Is, How It Works & What the Research Shows
KLOW is a regenerative blend of GHK-Cu, BPC-157, TB-500 and KPV.
~3 min read
KPV: What It Is, How It Works & What the Research Shows
KPV is a tripeptide (Lys-Pro-Val) taken from the end of alpha-melanocyte stimulating hormone (α-MSH).
~3 min read
LL-37: What It Is, How It Works & What the Research Shows
LL-37 is the only human cathelicidin, a natural antimicrobial peptide made by immune and skin cells.
~3 min read
Melanotan I: What It Is, How It Works & What the Research Shows
Melanotan I (afamelanotide) is a synthetic analog of alpha-MSH that selectively activates the MC1 receptor on skin pigment cells.
~3 min read
Melanotan II: What It Is, How It Works & What the Research Shows
Melanotan II is a cyclic analog of alpha-MSH that activates several melanocortin receptors (MC1, MC3 and MC4), not just the skin-pigment receptor.
~3 min read
MOTS-C: What It Is, How It Works & What the Research Shows
MOTS-c is a 16-amino-acid peptide encoded in mitochondrial DNA.
~3 min read
N-Acetyl Selank Amidate: What It Is, How It Works & What the Research Shows
N-Acetyl Selank Amidate is Selank with an acetyl group added to one end and an amide group to the other.
~3 min read
N-Acetyl Semax Amidate: What It Is, How It Works & What the Research Shows
N-Acetyl Semax Amidate is Semax with an acetyl group added to one end and an amide group to the other.
~3 min read
NAD+: What It Is, How It Works & What the Research Shows
NAD+ (nicotinamide adenine dinucleotide) is a coenzyme found in every cell.
~3 min read
Orbitzen 40: What It Is, How It Works & What the Research Shows
Orbitzen 40 is a recovery blend of BPC-157, TB-500 and KPV.
~3 min read
Oxytocin: What It Is, How It Works & What the Research Shows
Oxytocin is a hormone made in the hypothalamus and released from the pituitary.
~3 min read
PE-22-28: What It Is, How It Works & What the Research Shows
PE-22-28 is a synthetic analog of spadin, a peptide derived from the sortilin protein.
~3 min read
Pinealon: What It Is, How It Works & What the Research Shows
Pinealon is a synthetic tripeptide (Glu-Asp-Arg) from the Khavinson bioregulator family.
~3 min read
PT-141: What It Is, How It Works & What the Research Shows
PT-141 (bremelanotide) is a melanocortin receptor agonist (MC3R and MC4R) that acts in the brain to increase sexual desire and arousal.
~3 min read
Retatrutide: What It Is, How It Works & What the Research Shows
Retatrutide (LY3437943) is an investigational triple agonist that activates GIP, GLP-1 and glucagon receptors in a single molecule.
~3 min read
Selank: What It Is, How It Works & What the Research Shows
Selank is a synthetic heptapeptide based on tuftsin, a natural immune peptide, with a Pro-Gly-Pro tail added for stability.
~3 min read
Semaglutide: What It Is, How It Works & What the Research Shows
Semaglutide is a GLP-1 receptor agonist.
~3 min read
Semax: What It Is, How It Works & What the Research Shows
Semax is a synthetic heptapeptide based on a fragment of ACTH (4-10), with a Pro-Gly-Pro tail added for stability, and it has no hormonal activity.
~3 min read
Sermorelin: What It Is, How It Works & What the Research Shows
Sermorelin is the first 29 amino acids of growth hormone-releasing hormone (GHRH), the active portion of the natural hormone.
~3 min read
SLU-PP-332: What It Is, How It Works & What the Research Shows
SLU-PP-332 is a synthetic small-molecule (non-peptide) agonist of estrogen-related receptors, mainly ERRα, which control mitochondrial energy production in muscle.
~3 min read
SomatoPulse: What It Is, How It Works & What the Research Shows
SomatoPulse is a 1:1 blend of Ipamorelin and Tesamorelin that stimulates growth hormone from two directions.
~3 min read
SS-31: What It Is, How It Works & What the Research Shows
SS-31 (elamipretide) is a mitochondria-targeting tetrapeptide.
~3 min read
Survodutide: What It Is, How It Works & What the Research Shows
Survodutide is an investigational dual glucagon and GLP-1 receptor agonist developed by Boehringer Ingelheim.
~3 min read
TB-500: What It Is, How It Works & What the Research Shows
TB-500 is a synthetic version of the active region of thymosin beta-4 (Tβ4), a protein found in almost all human cells that binds actin, a key structural protein.
~3 min read
Tesamorelin: What It Is, How It Works & What the Research Shows
Tesamorelin is a stabilized analog of growth hormone-releasing hormone (GHRH) that stimulates the pituitary to release growth hormone and raises IGF-1.
~3 min read
Thymosin Alpha-1: What It Is, How It Works & What the Research Shows
Thymosin Alpha-1 is a 28-amino-acid peptide originally isolated from the thymus.
~3 min read
Tirzepatide: What It Is, How It Works & What the Research Shows
Tirzepatide is a dual GIP and GLP-1 receptor agonist.
~3 min read
Vilon: What It Is, How It Works & What the Research Shows
Vilon is a synthetic dipeptide (Lys-Glu) from the Khavinson bioregulator family, associated with the thymus and immune function.
~3 min read
VIP: What It Is, How It Works & What the Research Shows
VIP (vasoactive intestinal peptide) is a 28-amino-acid neuropeptide found throughout the gut, brain, lungs and immune system.
~3 min read
Wolverine: What It Is, How It Works & What the Research Shows
Wolverine is a recovery blend that typically combines BPC-157 and TB-500, two of the most widely discussed repair peptides.
~3 min read