Why a US Laboratory COA?
Independent
No supplier affiliation. Our data shows 73% of peptides have purity gaps vs. supplier claims.
Validated Methods
RP-HPLC, LC-MS/MS Orbitrap, ICP-MS, GC-MS, LAL endotoxin per USP <85>.
9-11 Day Turnaround
Standard testing in 9-11 business days.
Full COA
Chromatograms, impurity profile, and US-based documentation you can share.
Browse by category
Each category page covers testing methods, common impurities, and recommended panels.
GLP-1 / Metabolic
HPLC purity, mass spec identity, and impurity profiling for semaglutide, tirzepatide, retatrutide, and related GLP-1 / GIP / glucagon agonists.
GH Secretagogues
Independent HPLC and mass spec testing for sermorelin, ipamorelin, tesamorelin, hexarelin, and related GHRH / GHRP analogs.
Healing & Repair
BPC-157, TB-500, GHK-Cu, KPV, and other tissue repair peptides — purity, identity, and contamination testing.
Cognitive / Nootropic
Selank, Semax, Cerebrolysin, Noopept, Dihexa, and related cognitive research compounds.
Immune / Anti-Inflammatory
Thymosin Alpha-1, Thymulin, LL-37, ARA-290, VIP, and related immunomodulators.
Sexual Health
PT-141 (Bremelanotide), Melanotan II, Kisspeptin, and related research peptides.
Mitochondrial / Longevity
NAD+, MOTS-c, SS-31, Humanin, 5-Amino-1MQ, BAM15, and related longevity research compounds.
Bioregulators
Epitalon, Pinealon, Vesugen, Vilon, Prostamax, Pancragen, and the full Khavinson short-peptide bioregulator family.
Growth / Muscle
IGF-1 LR3, IGF-1 DES, MGF, PEG-MGF, Follistatin, ACE-031, and Myostatin inhibitors.
Blends
Component-level analysis of compounded peptide blends such as Tesamorelin/Ipamorelin and Retatrutide/Cagrilintide.
Peptides We Test
104 peptides, blends, and small molecules across 12 categories.
GLP-1 / Metabolic
View GLP-1 / Metabolic testing details →Adipotide
2611.13 g/mol
Adipotide is a proapoptotic peptide that targets blood vessels supplying white adipose tissue. It has been stu...
AOD-9604
1815.08 g/mol
AOD-9604 is a modified fragment of human growth hormone (hGH), specifically the C-terminal fragment (amino aci...
Cagrilintide
~3800 g/mol
Cagrilintide is a long-acting amylin analog being studied for obesity, often in combination with semaglutide (...
Orforglipron
760 g/mol (approx)
Orforglipron is a small-molecule, oral GLP-1 receptor agonist in late-stage clinical development for obesity a...
Retatrutide
4177.63 g/mol
Retatrutide (LY3437943) is a novel triple agonist peptide targeting GIP, GLP-1, and glucagon receptors simulta...
Semaglutide
4113.58 g/mol
Semaglutide is a GLP-1 receptor agonist peptide with a long half-life achieved through albumin binding via a C...
Tesofensine
327.25 g/mol
Tesofensine is a small-molecule serotonin-noradrenaline-dopamine reuptake inhibitor studied for obesity. Phase...
Tirzepatide
4813.45 g/mol
Tirzepatide is a dual GIP and GLP-1 receptor agonist peptide that has demonstrated remarkable efficacy in clin...
Growth Hormone Secretagogue
View GH Secretagogues testing details →CJC-1295 (DAC)
3647.28 g/mol
CJC-1295 with DAC (Drug Affinity Complex) is a synthetic analog of growth hormone-releasing hormone (GHRH). Th...
CJC-1295 (no DAC) / Modified GRF 1-29
3367.93 g/mol
CJC-1295 without DAC (also called Modified GRF 1-29) is a GHRH analog with a much shorter half-life than the D...
GHRP-2
817.97 g/mol
GHRP-2 (Growth Hormone Releasing Peptide-2) is a synthetic hexapeptide that stimulates growth hormone release....
GHRP-6
872.97 g/mol
GHRP-6 (Growth Hormone Releasing Peptide-6) is a synthetic hexapeptide that stimulates growth hormone secretio...
Hexarelin
887.04 g/mol
Hexarelin is a synthetic hexapeptide and one of the most potent growth hormone secretagogues. It also has pote...
Ibutamoren (MK-677)
528.66 g/mol
Ibutamoren (MK-677) is an orally active, non-peptide growth hormone secretagogue and ghrelin receptor agonist....
Ipamorelin
711.86 g/mol
Ipamorelin is a synthetic pentapeptide that acts as a selective growth hormone secretagogue. It stimulates the...
Sermorelin
3357.88 g/mol
Sermorelin is a synthetic analog of growth hormone-releasing hormone (GHRH) consisting of the first 29 amino a...
Tesamorelin
5135.89 g/mol
Tesamorelin is a synthetic analog of growth hormone-releasing hormone (GHRH) consisting of 44 amino acids with...
Growth & Muscle
View Growth / Muscle testing details →ACE-031
~76 kDa
ACE-031 is a soluble form of activin receptor type IIB (ActRIIB) designed to bind myostatin and related ligand...
Frag 176-191 (HGH Fragment)
1815.08 g/mol
HGH Fragment 176-191 is the C-terminal portion of human growth hormone. It is studied for its lipolytic effect...
IGF-1 LR3
9111 g/mol
IGF-1 LR3 is a modified analog of insulin-like growth factor 1 with an Arg substitution at position 3 and a 13...
IGF-DES (1-3)
~7,400 g/mol
IGF-DES (1-3), also called Des(1-3)IGF-1, is a truncated form of insulin-like growth factor 1 missing the firs...
MGF (Mechano Growth Factor)
2867.21 g/mol
MGF is a splice variant of IGF-1 produced in response to mechanical loading of muscle. It plays a role in sate...
PEG-MGF
~2867 + PEG g/mol
PEG-MGF is a pegylated form of mechano growth factor designed to extend the very short half-life of native MGF...
Healing & Repair
View Healing & Repair testing details →ARA-290
1257.34 g/mol
ARA-290 (cibinetide) is an 11-amino acid peptide derived from erythropoietin's helix B. It activates the innat...
BPC-157
1419.55 g/mol
BPC-157 (Body Protection Compound-157) is a synthetic peptide derived from a protective protein found in gastr...
GHK-Cu (Copper Peptide)
403.93 g/mol
GHK-Cu is a copper-binding tripeptide naturally found in human plasma. It is one of the most studied peptides ...
PNC-27
~3500 g/mol
PNC-27 is a synthetic peptide containing an HDM-2 binding domain fused to a membrane-residency peptide. It is ...
TB-500 (Thymosin Beta-4)
4963.44 g/mol
TB-500 is a synthetic version of Thymosin Beta-4, a naturally occurring peptide present in all human and anima...
Cognitive & Nootropic
View Cognitive / Nootropic testing details →Dihexa
456.62 g/mol
Dihexa is a small-molecule angiotensin IV analog studied for its potent neurotrophic and cognitive-enhancing e...
DSIP (Delta Sleep-Inducing Peptide)
848.81 g/mol
DSIP (also called Emideltide) is a nonapeptide originally isolated from rabbit cerebral venous blood. It has b...
Noopept
318.37 g/mol
Noopept is a synthetic dipeptide derivative studied for cognitive enhancement and neuroprotection. It is many ...
P21 (P21 Peptide)
~2200 g/mol
P21 is a synthetic peptide derived from CNTF (ciliary neurotrophic factor) studied for its neurogenic and cogn...
PE 22-28
~830 g/mol
PE 22-28 is a shortened analog of spadin that selectively blocks TREK-1 potassium channels. It is studied in d...
Selank / NA-Selank / NA-Selank-Amidate
751.88 g/mol
Selank is a synthetic heptapeptide based on tuftsin, developed in Russia for anxiolytic and nootropic research...
Semax / NA-Semax / NA-Semax-Amidate
813.94 g/mol
Semax is a synthetic heptapeptide based on the N-terminal fragment of ACTH(4-10), developed in Russia for cogn...
Immune & Anti-Inflammatory
View Immune / Anti-Inflammatory testing details →KPV
342.43 g/mol
KPV is a naturally occurring tripeptide derived from the C-terminal end of alpha-melanocyte stimulating hormon...
LL-37 (Cathelicidin)
4493.33 g/mol
LL-37 is the only human cathelicidin antimicrobial peptide. It is widely studied for its antimicrobial, immuno...
Thymagen / Thymogen
333.34 g/mol
Thymogen (and the related Thymagen) is a synthetic dipeptide bioregulator based on natural thymic peptides. It...
Thymosin Alpha-1 (TA-1)
3108.32 g/mol
Thymosin Alpha-1 is a 28-amino acid peptide originally isolated from thymic tissue. It is widely studied for i...
Thymulin (FTS-Zn)
847.85 g/mol
Thymulin (Facteur Thymique Sérique) is a nonapeptide hormone produced by the thymus gland that requires zinc f...
Sexual Health
View Sexual Health testing details →Melanotan I (Afamelanotide)
1646.85 g/mol
Melanotan I (afamelanotide) is a synthetic analog of α-MSH studied for photoprotection in conditions like eryt...
Melanotan II
1024.18 g/mol
Melanotan II is a synthetic analog of alpha-melanocyte-stimulating hormone (α-MSH). It is a cyclic peptide tha...
PT-141 (Bremelanotide)
1025.18 g/mol
PT-141 (Bremelanotide) is a synthetic peptide analog derived from Melanotan II. It is a melanocortin receptor ...
Mitochondrial & Longevity
View Mitochondrial / Longevity testing details →5-Amino-1MQ
173.21 g/mol
5-Amino-1MQ is a small molecule inhibitor of nicotinamide N-methyltransferase (NNMT), an enzyme involved in ce...
AICAR
338.21 g/mol
AICAR is an AMPK activator that mimics the metabolic effects of exercise. It has been widely studied in metabo...
BAM15
400.31 g/mol
BAM15 is a mitochondrial protonophore uncoupler studied for obesity and metabolic disease. Unlike DNP, it has ...
FOXO4-DRI
~5500 g/mol
FOXO4-DRI is a D-retro-inverso modified peptide designed to disrupt the FOXO4-p53 interaction in senescent cel...
Humanin
2687.27 g/mol
Humanin is a 24-amino acid mitochondrial-derived peptide encoded within the 16S rRNA gene of mitochondrial DNA...
MOTS-c
2174.56 g/mol
MOTS-c is a mitochondrial-derived peptide (MDP) encoded within the 12S rRNA gene of mitochondrial DNA. It is a...
NAD+ (Nicotinamide Adenine Dinucleotide)
663.43 g/mol
NAD+ is a critical coenzyme found in every cell of the body, essential for cellular energy metabolism, DNA rep...
SLU-PP-332
~430 g/mol
SLU-PP-332 is a small-molecule pan-agonist of estrogen-related receptors (ERRα, β, γ) studied as an exercise m...
SS-31 (Elamipretide)
640.77 g/mol
SS-31 (Elamipretide, also known as Bendavia or MTP-131) is a mitochondria-targeted tetrapeptide that selective...
Bioregulator
View Bioregulators testing details →Bronchogen
446.50 g/mol
Bronchogen is a Khavinson short peptide bioregulator designed to support bronchial and respiratory tissue func...
Cardiogen
489.49 g/mol
Cardiogen is a Khavinson short peptide bioregulator targeting cardiovascular tissue. It is studied for its pot...
Cartalax
446.50 g/mol
Cartalax is a Khavinson tetrapeptide bioregulator studied for cartilage and joint tissue support. It is part o...
Chonluten
319.27 g/mol
Chonluten is a Khavinson tripeptide bioregulator studied for bronchial and respiratory epithelium support. Par...
Cortagen
430.46 g/mol
Cortagen is a Khavinson tetrapeptide bioregulator targeting cerebral cortex tissue. It is studied for cognitiv...
Crystagen
359.34 g/mol
Crystagen is a Khavinson tripeptide bioregulator targeting thymic and immune function. It is studied for immun...
Epitalon (Epithalon)
390.35 g/mol
Epitalon is a synthetic tetrapeptide based on the natural epithalamin peptide produced by the pineal gland. It...
Livagen
460.48 g/mol
Livagen is a Khavinson tetrapeptide bioregulator targeting hepatic and immune tissue. It is studied for liver ...
Ovagen
375.38 g/mol
Ovagen is a Khavinson tripeptide bioregulator targeting hepatic tissue. It is studied for liver function suppo...
Pancragen
561.59 g/mol
Pancragen is a Khavinson tetrapeptide bioregulator targeting pancreatic tissue. It is studied for pancreatic f...
Pinealon
418.40 g/mol
Pinealon is a Khavinson tripeptide bioregulator targeting brain and pineal tissue. It is studied for cognitive...
Prostamax
472.49 g/mol
Prostamax is a Khavinson tetrapeptide bioregulator targeting prostate tissue. It is studied for prostate funct...
Testagen
447.45 g/mol
Testagen is a Khavinson tetrapeptide bioregulator targeting testicular tissue. It is studied for male reproduc...
Vesilute
391.42 g/mol
Vesilute is a Khavinson tripeptide bioregulator targeting bladder and urological tissue. It is studied for uri...
Vesugen
391.42 g/mol
Vesugen is a Khavinson tripeptide bioregulator targeting vascular tissue. It is studied for vascular endotheli...
Vilon
275.30 g/mol
Vilon is a Khavinson dipeptide bioregulator with broad immunomodulatory effects. It is one of the most studied...
Hormone
Enclomiphene
405.96 g/mol
Enclomiphene is the trans-isomer of clomiphene citrate, a selective estrogen receptor modulator (SERM). It is ...
HMG (Human Menopausal Gonadotropin)
~30 kDa each
HMG combines FSH and LH activity for fertility research and protocols. It is studied in reproductive endocrino...
Kisspeptin
1302.46 g/mol
Kisspeptin (often as Kisspeptin-10) is a neuropeptide that activates the GPR54 receptor and is a master regula...
Oxytocin
1007.19 g/mol
Oxytocin is a nonapeptide hormone with critical roles in childbirth, lactation, and social bonding. It is wide...
VIP (Vasoactive Intestinal Peptide)
3326.78 g/mol
VIP is a 28-amino acid neuropeptide with broad effects on smooth muscle, secretion, and immune function. It is...
Vitamin / Cofactor
Cyanocobalamin (Vitamin B12)
1355.37 g/mol
Cyanocobalamin is the most common pharmaceutical form of vitamin B12. It is used in injectable B12 preparation...
Glutathione (Reduced)
307.32 g/mol
Reduced L-glutathione (GSH) is a tripeptide antioxidant central to cellular redox balance. It is widely used i...
L-Carnitine
161.20 g/mol
L-Carnitine is a quaternary ammonium compound essential for transport of long-chain fatty acids into mitochond...
Lipo C B12
Multi-component
Lipo C B12 is a lipotropic injectable blend combining choline, L-carnitine, L-inositol, L-methionine, and meth...
Methylcobalamin (Methyl-B12)
1344.38 g/mol
Methylcobalamin is the active, methylated form of vitamin B12 used in methylation pathways. It is common in co...
BAM15 + SLU-PP-332 Blend
Multi-component blend
A research blend combining BAM15 (mitochondrial uncoupler) with SLU-PP-332 (ERR agonist). The combination is s...
BPC-157 / TB-500 Blend
Blend (~1419 + 4963 g/mol)
A widely used regenerative blend pairing BPC-157 with TB-500 (Thymosin Beta-4). Common in tissue repair, sport...
Cagrilintide / Semaglutide Blend (CagriSema)
Multi-component blend
CagriSema combines cagrilintide (amylin analog) with semaglutide (GLP-1 RA) for obesity research. Phase 3 data...
Glow Lipo Mix
Multi-component
Glow Lipo Mix is a lipotropic injectable variant pairing the standard MIC ingredients (methionine, inositol, c...
Glow Peptide Blend (GHK-Cu + BPC-157 + TB-500)
Blend (~403 + 1419 + 4963 g/mol)
Glow is a popular multi-peptide blend combining GHK-Cu (copper peptide), BPC-157, and TB-500 (Thymosin Beta-4)...
Ipamorelin / CJC-1295 (no DAC) Blend
711.86 + 3,367.95 g/mol
This blend pairs ipamorelin with CJC-1295 (no DAC), one of the most common research stack combinations for stu...
KLOW Blend (KPV + GHK-Cu + BPC-157 + TB-500)
Multi-component blend
KLOW is a four-component regenerative blend pairing KPV with the components of the Glow blend. It is widely en...
Lipotropic Blend (MIC, B-complex variants)
Multi-component blend
Lipotropic blends combine methionine, inositol, and choline (MIC) often with B12, B-complex, or L-carnitine. W...
MOTS-c / GHK-Cu / KPV Blend
1,890 + 340 + 384 g/mol
A three-component blend combining the mitochondrial peptide MOTS-c with the copper tripeptide GHK-Cu and the a...
Retatrutide / Cagrilintide Blend
Multi-component blend
A research blend pairing retatrutide (triple agonist) with cagrilintide (amylin analog). Studied for synergist...
Tesamorelin / Ipamorelin Blend
Multi-component blend
A common GH-axis research blend combining tesamorelin (GHRH analog) with ipamorelin (GHRP). The pairing allows...
Related Resources
Peptide Testing Cost
Per-sample pricing for every method we run.
Peptide Testing by State
Compound and state coverage across all 50 states.
Testing Services
Full list of analytical services we offer.
How to Get Peptides Tested
Step-by-step guide with costs and timelines.
Purity Discrepancy Data
73% of peptides show purity gaps vs. claims.
Third-Party Verification
Independent verification of peptide quality.