Guides
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How to read a certificate of analysis
A real COA taken apart line by line — the chromatogram, the purity figure and the arithmetic behind it, what the deviation column means, and why chromatographic purity is not the same number as peptide content.
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Peptide units explained: mg, mcg, IU and the numbers on a syringe
An IU is not a quantity, and the numbers on an insulin syringe are a volume — one unit is 0.01 mL whatever is in the barrel. The conversions that are real, the ones that do not exist, and a worked example.
Reference
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GLP-1, GIP and amylin compounds compared
Liraglutide, semaglutide, tirzepatide, retatrutide and cagrilintide differ mainly in which receptors they engage. Receptor coverage, durability and dosing cadence, side by side.
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Peptide glossary
Fifty-one terms used across these articles — agonist, lyophilised, in vitro, half-life — defined in plain language, with a filter box for looking one up mid-read.
No compound matches that filter.
GLP-1 & Metabolic
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5-Amino-1MQ
In stock · $40.00
5-Amino-1MQ — full name 5-amino-1-methylquinolinium — is a small-molecule inhibitor of nicotinamide N-methyltransferase (NNMT), studied in research on adipose tissue metabolism, energy expenditure and NAD+ availability. It is…
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BAM-15
BAM-15 is a mitochondrial protonophore researched for its potential role as a mitochondrial uncoupler. In laboratory settings, BAM-15 is studied for its effects on energy expenditure, mitochondrial efficiency,…
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Cagrilintide
In stock · $149.00
Cagrilintide — also identified in the literature by its development code AM833 — is a synthetic, long-acting analogue of the pancreatic hormone amylin. It is studied as an…
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Liraglutide (GLP-1 Analogue)
Liraglutide is a synthetic peptide analog of the human glucagon-like peptide-1 (GLP-1). In laboratory research, Liraglutide is investigated for its effects on glucose metabolism, appetite regulation, and weight…
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MOTS-c
In stock · $50.00
MOTS-c — Mitochondrial Open reading frame of the Twelve S rRNA type-c — is a sixteen-residue peptide studied in research on metabolic regulation, insulin sensitivity and exercise physiology.…
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Retatrutide
In stock · $99.95 – $139.95Price range: $99.95 through $139.95
Retatrutide is an investigational research peptide that acts as a novel triple agonist targeting the GLP-1 (glucagon-like peptide-1), GIP (glucose-dependent insulinotropic polypeptide), and glucagon receptors. It is being…
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Semaglutide
In stock · $99.00
Semaglutide is a synthetic research peptide that functions as a glucagon-like peptide-1 (GLP-1) receptor agonist. It is widely studied in laboratory environments for its potential to influence appetite…
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SLU-PP-332
SLU-PP-332 is a novel research compound classified as a REV-ERB agonist. It is being investigated in laboratory settings for its potential to modulate circadian rhythm, lipid metabolism, and…
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Tirzepatide
In stock · $99.00
Tirzepatide is a synthetic research peptide that functions as a dual agonist for the glucose-dependent insulinotropic polypeptide (GIP) and glucagon-like peptide-1 (GLP-1) receptors. It is actively studied in…
Growth Hormone Secretagogues
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AOD9604
AOD9604 (Advanced Obesity Drug 9604) is a synthetic peptide fragment derived from the C-terminus of human growth hormone (hGH). It is designed to selectively stimulate lipolysis (fat breakdown)…
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CJC 1295 No DAC
In stock · $44.95 – $64.95Price range: $44.95 through $64.95
CJC-1295 No DAC is a synthetic analogue of growth hormone-releasing hormone, built on the 29-residue active fragment of GHRH and carrying four amino acid substitutions that protect it…
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CJC 1295 With DAC
In stock · $44.00
CJC-1295 with DAC is a growth hormone-releasing hormone analogue engineered for exceptional duration. It combines a modified 29-residue GHRH fragment with a Drug Affinity Complex — a chemical…
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GHRH
GHRH (Growth Hormone Releasing Hormone) is a naturally occurring peptide hormone that stimulates the release of growth hormone by acting directly on the pituitary gland. In its synthetic…
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GHRP-2
In stock · $25.00
GHRP-2 — also known as pralmorelin and by the development code KP-102 — is a synthetic hexapeptide growth hormone secretagogue acting at the ghrelin receptor. It was developed…
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GHRP-6
In stock · $25.00
GHRP-6 — Growth Hormone Releasing Peptide-6 — is a synthetic hexapeptide that stimulates pituitary growth hormone release by activating the ghrelin receptor. It is one of the original…
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Hexarelin
Hexarelin is a synthetic growth hormone secretagogue peptide belonging to the hexapeptide class. It is studied in laboratory environments for its ability to stimulate the pituitary gland to…
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hGH Fragment 176-191
In stock · $40.00
hGH Fragment 176-191 is a synthetic peptide corresponding to the last sixteen residues of human growth hormone. It exists because of a structure–function finding: the effects of growth…
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IGF1-DES
IGF-1 DES (Insulin-like Growth Factor 1 DES(1-3)) is a truncated variant of the naturally occurring IGF-1 peptide. It is studied in laboratory settings for its enhanced potency and…
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IGF1-LR3
In stock · $65.00
IGF-1 LR3 (Insulin-Like Growth Factor 1 Long Arg3) is a synthetic research peptide that is a modified version of human IGF-1 with an extended half-life and enhanced bioactivity.…
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Ipamorelin
In stock · $54.95
Ipamorelin is a synthetic pentapeptide growth hormone secretagogue acting at the ghrelin receptor. It arrived after the first-generation GHRPs and was built to address a specific criticism of…
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PEG MGF
PEG MGF (Pegylated Mechano Growth Factor) is a synthetic, stabilized version of MGF, a splice variant of the Insulin-like Growth Factor-1 (IGF-1) gene. The addition of polyethylene glycol…
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Sermorelin
Sermorelin is a synthetic research peptide that functions as a growth hormone-releasing hormone (GHRH) analog. It is studied in laboratory settings for its potential to stimulate the pituitary…
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Tesamorelin
In stock · $44.95 – $119.00Price range: $44.95 through $119.00
Tesamorelin is a synthetic research peptide that functions as a growth hormone-releasing hormone (GHRH) analog. It is designed to stimulate the natural production and release of growth hormone…
Repair & Recovery
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BPC-157
In stock · $45.00 – $99.00Price range: $45.00 through $99.00
BPC-157 is a synthetic fifteen-residue peptide corresponding to a partial sequence of Body Protection Compound, a protein identified in human gastric juice. It is studied in research on…
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GHK-Cu
In stock · $69.95
GHK-Cu is a complex of the tripeptide glycyl-L-histidyl-L-lysine with copper(II). It occurs naturally in human plasma, saliva and urine, and is studied in research on wound repair, collagen…
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KPV
In stock · $55.00
KPV is the tripeptide lysine-proline-valine, corresponding to the final three residues of alpha-melanocyte-stimulating hormone. It is studied for anti-inflammatory activity, principally in models of intestinal and cutaneous inflammation.
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LL-37
LL-37 is a naturally occurring antimicrobial peptide derived from the human cathelicidin family. It is studied in laboratory environments for its broad-spectrum antimicrobial, immunomodulatory, and wound-healing properties in…
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TB-500
In stock · $49.00
TB-500 is the designation used for synthetic thymosin beta-4, a 43-residue peptide that is the principal actin-sequestering molecule in mammalian cells. It is studied in research on cell…
Bioregulators & Longevity
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Bronchogen
Bronchogen is a research peptide conceptually related to Thymosin Beta-4 (TB-4), a naturally occurring thymic peptide studied for its role in tissue regeneration and repair. In laboratory environments,…
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Cardiogen
Cardiogen is a research peptide conceptually related to Thymosin Beta-4 (TB-4), a naturally occurring thymic peptide known for its tissue repair and regenerative properties. In laboratory settings, Cardiogen…
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Epithalon
In stock · $25.00
Epithalon — also written Epitalon, Epithalone, or Epithalamin, and referred to in the literature by its amino acid sequence AEDG (Ala-Glu-Asp-Gly) — is a synthetic tetrapeptide developed as…
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L-Glutathione
L-Glutathione is a naturally occurring tripeptide composed of the amino acids glutamine, cysteine, and glycine. It functions as one of the body’s most important intracellular antioxidants. In laboratory…
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NAD+
In stock · $44.95
NAD+ (Nicotinamide Adenine Dinucleotide) is a vital coenzyme present in all living cells and is extensively researched for its role in cellular energy production and mitochondrial function. In…
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Thymagen
Thymagen is a synthetic peptide fragment derived from thymopoietin, a naturally occurring thymic peptide hormone. In laboratory research, Thymagen is studied for its potential immunomodulatory and regenerative properties…
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Thymosin Alpha-1
Thymosin Alpha-1 (Tα1) is a synthetic peptide fragment derived from prothymosin alpha, a thymic peptide involved in immune system regulation. In laboratory environments, Thymosin Alpha-1 is studied for…
Hormonal & Sexual Health
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Gonadorelin
Gonadorelin is a synthetic peptide analog of the naturally occurring gonadotropin-releasing hormone (GnRH). It is used in laboratory research to study the stimulation of luteinizing hormone (LH) and…
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Melanotan I
Melanotan I (also known as Afamelanotide) is a synthetic research peptide that acts as an analog of the naturally occurring alpha-melanocyte-stimulating hormone (α-MSH). It is primarily studied in…
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Melanotan II (MT2)
In stock · $38.00
Melanotan II is a synthetic cyclic heptapeptide analogue of alpha-melanocyte-stimulating hormone, studied as a non-selective agonist across the melanocortin receptor family. It was developed in the 1980s at…
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Oxytocin
Oxytocin is a naturally occurring peptide hormone that functions as both a neuropeptide and neurotransmitter. In its synthetic form, Oxytocin is widely studied in laboratory settings for its…
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PT-141
In stock · $35.00
PT-141 (Bremelanotide) is a synthetic research peptide derived from the peptide hormone Melanotan II. It is widely studied in laboratory environments for its potential to modulate melanocortin receptors,…
Cognitive & Neuro
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Selank
Selank is a synthetic heptapeptide derived from the naturally occurring human tetrapeptide tuftsin. In laboratory environments, Selank is studied for its potential anxiolytic, nootropic, and immunomodulatory effects in…
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Semax
In stock · $20.95 – $30.95Price range: $20.95 through $30.95
Semax is a synthetic heptapeptide derived from a fragment of adrenocorticotropic hormone (ACTH). It is studied in laboratory environments for its potential neuroprotective, nootropic, and neuroregenerative properties in…