Peptide Testing Catalog
Independent testing for 91+ research peptides, blends & bioregulators
US-based HPLC purity, ESI-MS identity, sterility, and endotoxin testing — across 12 peptide categories. Every report is scientist-reviewed and ships with a signed Certificate of Analysis you can verify.
Browse by category
Each category page covers testing methods, common impurities, and recommended panels.
GLP-1 / Metabolic
8HPLC purity, mass-spec identity, and impurity profiling for semaglutide, tirzepatide, retatrutide, and related GLP-1 / GIP / glucagon agonists.
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GH Secretagogues
9Independent HPLC and mass-spec testing for sermorelin, ipamorelin, tesamorelin, hexarelin, and related GHRH / GHRP analogs.
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Growth & Muscle
7IGF-1 LR3, IGF-1 DES, MGF, PEG-MGF, Follistatin, ACE-031, and Myostatin inhibitors.
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Healing & Repair
5BPC-157, TB-500, GHK-Cu, KPV, and other tissue-repair peptides — purity, identity, and contamination testing.
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Cognitive / Nootropic
7Selank, Semax, Cerebrolysin, Noopept, Dihexa, and related cognitive research compounds.
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Immune & Anti-Inflammatory
5Thymosin Alpha-1, Thymulin, LL-37, ARA-290, VIP, and related immunomodulators.
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Sexual Health
3PT-141 (Bremelanotide), Melanotan II, Kisspeptin, and related research peptides.
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Mitochondrial / Longevity
9NAD+, MOTS-c, SS-31, Humanin, 5-Amino-1MQ, BAM15, and related longevity research compounds.
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Bioregulators
16Epitalon, Pinealon, Vesugen, Vilon, Prostamax, Pancragen, and the full Khavinson short-peptide bioregulator family.
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Hormones
6HCG, HMG, Oxytocin, Kisspeptin, Enclomiphene, VIP — protein and small-molecule hormones.
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Vitamin / Cofactor
5B12 (cyano- and methyl-), Glutathione, L-Carnitine, Lipo C B12 — injectable cofactor blends.
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Blends
11Component-level analysis of compounded peptide blends such as Tesamorelin/Ipamorelin and Retatrutide/Cagrilintide.
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All peptides we test
91 peptides, blends, and small molecules across 12 categories.
GLP-1 / Metabolic
View GLP-1 / Metabolic testing details →Adipotide
2611.13 g/mol
Proapoptotic peptide targeting white-adipose vasculature.
AOD-9604
1815.08 g/mol
C-terminal hGH fragment (aa 176-191) studied for lipolysis.
Cagrilintide
~3800 g/mol
Long-acting amylin analog; commonly co-formulated with semaglutide as CagriSema.
Orforglipron
~760 g/mol
Small-molecule, oral GLP-1 receptor agonist in late-stage development.
Retatrutide
4177.63 g/mol
Triple agonist targeting GIP, GLP-1, and glucagon receptors (LY3437943). In Phase 3 for obesity.
Semaglutide
4113.58 g/mol
GLP-1 receptor agonist with extended half-life via a C18 diacid albumin-binding chain. The branded versions are Ozempic and Wegovy.
Tesofensine
327.25 g/mol
Small-molecule SNDRI studied for obesity. Phase 3 ongoing.
Tirzepatide
4813.45 g/mol
Dual GIP/GLP-1 receptor agonist; the molecule behind Mounjaro and Zepbound. Long lipidated peptide.
GH Secretagogues
View GH Secretagogues testing details →CJC-1295 (DAC)
3647.28 g/mol
GHRH analog with Drug Affinity Complex for extended half-life (~8 days).
CJC-1295 (no DAC) / Modified GRF 1-29
3367.93 g/mol
GHRH analog without DAC, shorter half-life than CJC-1295 with DAC.
GHRP-2
817.97 g/mol
Synthetic hexapeptide stimulator of GH release.
GHRP-6
872.97 g/mol
Hexapeptide stimulating GH secretion via the ghrelin receptor.
Hexarelin
887.04 g/mol
Potent hexapeptide GH secretagogue; also studied for cardiac effects.
Ibutamoren (MK-677)
528.66 g/mol
Orally active non-peptide GH secretagogue / ghrelin agonist.
Ipamorelin
711.86 g/mol
Selective pentapeptide GHRP. Minimal cortisol/prolactin release.
Sermorelin
3357.88 g/mol
Synthetic GHRH (1-29) analog. Short half-life.
Tesamorelin
5135.89 g/mol
N-terminally modified 44-aa GHRH analog, FDA-approved as Egrifta.
Growth & Muscle
View Growth & Muscle testing details →ACE-031
~76 kDa
Soluble ActRIIB decoy designed to bind myostatin and related ligands.
Follistatin-344
~37 kDa
Myostatin inhibitor studied for muscle growth.
Frag 176-191 (HGH Fragment)
1815.08 g/mol
C-terminal hGH fragment studied for fat metabolism.
IGF-1 LR3
~9111 g/mol
Modified IGF-1 with Arg3 substitution and 13-aa N-terminal extension; ~3x potency, longer half-life.
IGF-DES (1-3)
~7400 g/mol
Truncated IGF-1 missing first three N-terminal residues. Active locally.
MGF (Mechano Growth Factor)
2867.21 g/mol
IGF-1 splice variant produced under mechanical muscle loading.
PEG-MGF
~2867 + PEG g/mol
Pegylated MGF with extended half-life.
Healing & Repair
View Healing & Repair testing details →ARA-290 (Cibinetide)
1257.34 g/mol
11-residue peptide derived from erythropoietin's helix B; activates the innate repair receptor.
BPC-157
1419.55 g/mol
15-residue 'Body Protection Compound' derived from gastric protein. Most-tested healing peptide.
GHK-Cu (Copper Peptide)
403.93 g/mol
Copper-binding tripeptide naturally present in plasma. Widely used in skin and wound research.
PNC-27
~3500 g/mol
HDM-2 binding peptide fused to a membrane-residency domain; studied in cancer research.
TB-500 (Thymosin Beta-4)
4963.44 g/mol
Synthetic Thymosin Beta-4; involved in actin sequestration and tissue repair.
Cognitive / Nootropic
View Cognitive / Nootropic testing details →Dihexa
456.62 g/mol
Small-molecule angiotensin IV analog; potent neurotrophic compound.
DSIP (Delta Sleep-Inducing Peptide)
848.81 g/mol
Nonapeptide originally isolated from rabbit cerebral venous blood; sleep research.
Noopept
318.37 g/mol
Synthetic dipeptide derivative; widely studied as a nootropic.
P21 Peptide
~2200 g/mol
Synthetic peptide derived from CNTF; neurogenic research compound.
PE 22-28
~830 g/mol
Shortened spadin analog blocking TREK-1 potassium channels; depression research.
Selank / NA-Selank / NA-Selank-Amidate
751.88 g/mol
Heptapeptide based on tuftsin; Russian-developed anxiolytic research peptide. Available as plain, N-acetyl, and amidated variants.
Semax / NA-Semax / NA-Semax-Amidate
813.94 g/mol
Heptapeptide based on the ACTH(4-10) fragment; cognitive research compound.
Immune & Anti-Inflammatory
View Immune & Anti-Inflammatory testing details →KPV
342.43 g/mol
C-terminal tripeptide of α-MSH; anti-inflammatory.
LL-37 (Cathelicidin)
4493.33 g/mol
Only human cathelicidin antimicrobial peptide; broad-spectrum antimicrobial and immunomodulator.
Thymagen / Thymogen
333.34 g/mol
Synthetic dipeptide bioregulator based on natural thymic peptides.
Thymosin Alpha-1 (TA-1)
3108.32 g/mol
28-residue thymic peptide; immunomodulator approved for hepatitis B/C in some countries (Zadaxin).
Thymulin (FTS-Zn)
847.85 g/mol
Nonapeptide thymic hormone requiring zinc for activity.
Sexual Health
View Sexual Health testing details →Melanotan I (Afamelanotide)
1646.85 g/mol
Linear α-MSH analog (Scenesse); approved for erythropoietic protoporphyria.
Melanotan II
1024.18 g/mol
Cyclic α-MSH analog; widely used as a tanning research peptide.
PT-141 (Bremelanotide)
1025.18 g/mol
Melanocortin-receptor agonist derived from Melanotan II. FDA-approved as Vyleesi.
Mitochondrial / Longevity
View Mitochondrial / Longevity testing details →5-Amino-1MQ
173.21 g/mol
Small-molecule NNMT inhibitor studied for obesity and longevity.
AICAR
338.21 g/mol
AMPK activator mimicking exercise; metabolic research.
BAM15
400.31 g/mol
Mitochondrial protonophore uncoupler; safer profile than DNP.
FOXO4-DRI
~5500 g/mol
D-retro-inverso peptide that disrupts FOXO4–p53 in senescent cells; senolytic.
Humanin
2687.27 g/mol
24-residue mitochondrial-derived peptide; cytoprotective.
MOTS-c
2174.56 g/mol
Mitochondrial-derived peptide encoded in the 12S rRNA gene; AMPK activator.
NAD+ (Nicotinamide Adenine Dinucleotide)
663.43 g/mol
Central redox cofactor for cellular metabolism, DNA repair, and sirtuin activity.
SLU-PP-332
~430 g/mol
Pan-agonist of estrogen-related receptors (ERRα/β/γ); 'exercise mimetic' research compound.
SS-31 (Elamipretide)
640.77 g/mol
Mitochondria-targeted tetrapeptide that binds cardiolipin; cardiac and renal research.
Bioregulators
View Bioregulators testing details →Bronchogen
446.50 g/mol
Tetrapeptide bioregulator for bronchial tissue.
Cardiogen
489.49 g/mol
Tetrapeptide bioregulator for cardiovascular tissue.
Cartalax
446.50 g/mol
Tetrapeptide bioregulator for cartilage and joints.
Chonluten
319.27 g/mol
Tripeptide bioregulator for bronchial epithelium.
Cortagen
430.46 g/mol
Tetrapeptide bioregulator for cerebral cortex.
Crystagen
359.34 g/mol
Tripeptide bioregulator for thymic/immune tissue.
Epitalon (Epithalon)
390.35 g/mol
Khavinson tetrapeptide based on natural epithalamin; telomerase research.
Livagen
460.48 g/mol
Tetrapeptide bioregulator for hepatic and immune tissue.
Ovagen
375.38 g/mol
Tripeptide bioregulator for hepatic tissue.
Pancragen
561.59 g/mol
Tetrapeptide bioregulator targeting pancreatic tissue.
Pinealon
418.40 g/mol
Khavinson tripeptide targeting brain/pineal tissue.
Prostamax
472.49 g/mol
Tetrapeptide bioregulator targeting prostate tissue.
Testagen
447.45 g/mol
Tetrapeptide bioregulator for testicular tissue.
Vesilute
391.42 g/mol
Tripeptide bioregulator for bladder/urological tissue.
Vesugen
391.42 g/mol
Vascular bioregulator tripeptide.
Vilon
275.30 g/mol
Dipeptide bioregulator with broad immunomodulatory effects.
Hormones
View Hormones testing details →Enclomiphene
405.96 g/mol
Trans-isomer of clomiphene citrate (SERM); secondary hypogonadism research.
HCG (Human Chorionic Gonadotropin)
~36.7 kDa
Glycoprotein hormone of pregnancy; used in fertility and TRT support research.
HMG (Human Menopausal Gonadotropin)
~30 kDa each
FSH + LH combined; fertility research.
Kisspeptin
1302.46 g/mol
Master regulator of GnRH/HPG axis (often as Kisspeptin-10).
Oxytocin
1007.19 g/mol
Cyclic nonapeptide; reproductive and social-bonding research.
VIP (Vasoactive Intestinal Peptide)
3326.78 g/mol
28-residue neuropeptide affecting smooth muscle and immune function.
Vitamin / Cofactor
View Vitamin / Cofactor testing details →Cyanocobalamin (Vitamin B12)
1355.37 g/mol
Most common pharmaceutical form of B12 for injectables.
Glutathione (Reduced)
307.32 g/mol
Reduced L-glutathione (GSH); tripeptide antioxidant central to redox balance.
L-Carnitine
161.20 g/mol
Quaternary ammonium compound for fatty-acid mitochondrial transport.
Lipo C B12
Multi-component
Lipotropic injectable: choline, L-carnitine, L-inositol, L-methionine, methyl-B12.
Methylcobalamin (Methyl-B12)
1344.38 g/mol
Active methylated form of B12; common in compounded blends.
BAM15 + SLU-PP-332 Blend
Multi-component
Mitochondrial uncoupler + ERR agonist research blend.
BPC-157 / TB-500 Blend
~1419 + 4963 g/mol
The classic regenerative tissue-repair blend.
Cagrilintide / Semaglutide Blend (CagriSema)
Multi-component
Amylin analog + GLP-1 RA obesity research blend.
Glow Blend (GHK-Cu + BPC-157 + TB-500)
~403 + 1419 + 4963 g/mol
Multi-peptide blend marketed for skin/regeneration.
Glow Lipo Mix
Multi-component
Lipotropic variant pairing MIC ingredients with glow-style additions.
Ipamorelin / CJC-1295 (no DAC) Blend
711.86 + 3,367.95 g/mol
Most popular GH-axis research blend.
KLOW Blend (KPV + GHK-Cu + BPC-157 + TB-500)
Multi-component
Four-component regenerative blend (Glow + KPV).
Lipotropic Blend (MIC, B-complex variants)
Multi-component
Methionine + Inositol + Choline (often with B12 or carnitine).
MOTS-c / GHK-Cu / KPV Blend
~2175 + 404 + 342 g/mol
Three-component blend combining a mitochondrial peptide with two repair tripeptides.
Retatrutide / Cagrilintide Blend
Multi-component
Triple agonist + amylin analog research blend.
Tesamorelin / Ipamorelin Blend
Multi-component
GH-axis blend pairing tesamorelin (GHRH) with ipamorelin (GHRP).
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