Why a US Laboratory COA?
Independent
ACS does not sell peptides. Independent testing checks the material you submit against supplier documentation.
Validated Methods
RP-HPLC, LC-MS/MS Orbitrap, ICP-MS, GC-MS, LAL endotoxin per USP <85>.
5-7 Day Turnaround
Standard testing in 3-5 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
105 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 ...
HCG (Human Chorionic Gonadotropin)
~36.7 kDa
HCG is a glycoprotein hormone made of an alpha and a beta subunit. It is studied in reproductive endocrinology...
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...
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Step-by-step guide with costs and timelines.
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Compare batch-specific purity and identity with supplier claims.
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