Frequently asked questions

What is AHK-Cu peptide?

AHK-Cu is the copper complex of the tripeptide alanine-histidine-lysine. It is studied as a defined metallopeptide in cellular and ex vivo research models.

What is the difference between AHK-Cu and GHK-Cu?

AHK-Cu begins with alanine, while GHK-Cu begins with glycine; both contain histidine and lysine and can coordinate copper. They are distinct compounds and should not be treated as interchangeable.

Is AHK-Cu FDA approved?

No, AHK-Cu is not an FDA-approved drug product for human use. This vial is supplied exclusively for controlled, non-clinical research.

What is AOD 9604 peptide?

AOD 9604 is a synthetic 16-amino-acid peptide modeled on the C-terminal region of human growth hormone. It is studied in non-clinical laboratory models involving lipid metabolism.

How does AOD 9604 work?

Preclinical research suggests AOD 9604 affects signals associated with lipid breakdown, lipid formation, and beta-3 adrenergic receptor expression. Its exact direct molecular target has not been conclusively established.

Is AOD 9604 FDA approved?

No, AOD 9604 is not FDA approved as a drug for human use. This product is sold exclusively as a non-clinical research compound.

What is bacteriostatic water?

Bacteriostatic water is purified water containing a preservative, commonly 0.9% benzyl alcohol, that inhibits the growth of many bacteria. It is not the same as preservative-free sterile water.

What is the difference between bacteriostatic water and sterile water?

Bacteriostatic water contains a preservative, while standard sterile water is generally preservative-free. Compatibility and permitted use depend on the exact product labeling and laboratory protocol.

Is this Bacteriostatic Water for Injection, USP?

No USP or injection claim should be made unless the finished product and labeling specifically meet those requirements. This 321 Peptides product is offered only as a non-clinical laboratory material.

What is BPC-157?

BPC-157 is a synthetic 15-amino-acid peptide used in laboratory research on cellular, vascular, and tissue-response pathways. It is not an FDA-approved drug for human use.

How does BPC-157 work in research models?

Preclinical studies suggest BPC-157 can influence VEGFR2, Akt/eNOS, FAK-paxillin, and nitric-oxide signaling. Its full mechanism has not been conclusively established, and human evidence is limited.

What is the amino acid sequence of BPC-157?

The BPC-157 sequence is Gly-Glu-Pro-Pro-Pro-Gly-Lys-Pro-Ala-Asp-Asp-Ala-Gly-Leu-Val. Its one-letter sequence is GEPPPGKPADDAGLV.

What is in the CJC-1295 and Ipamorelin 10mg blend?

Each vial contains CJC-1295 Without DAC 5mg and Ipamorelin 5mg. The total research-material content is 10mg.

How do CJC-1295 No DAC and Ipamorelin differ?

CJC-1295 No DAC is a GHRH-receptor agonist, while Ipamorelin acts through the ghrelin receptor GHS-R1a. The blend lets researchers examine both signaling routes together.

Is this peptide blend FDA approved?

No, this combination is not an FDA-approved drug product. It is intended exclusively for non-clinical research.

What is GHK-Cu peptide?

GHK-Cu is a complex of the tripeptide Gly-His-Lys and a copper ion. It is studied in laboratory models involving copper transport, cell signaling, and extracellular-matrix regulation.

What is the molecular weight of GHK-Cu?

The 1:1 prezatide copper complex associated with CAS 89030-95-5 has a molecular mass of approximately 402.92 g/mol. Other salts or stoichiometric forms can have different reported masses, so the batch COA should control.

Is GHK-Cu FDA approved as a drug?

This GHK-Cu research vial is not an FDA-approved drug product. It is intended exclusively for controlled non-clinical research.

What is in Glow Blend 70mg?

Glow Blend contains GHK-Cu 50mg, BPC-157 10mg, and TB-500 10mg. Together, the three research compounds total 70mg per vial.

Does Glow Blend create a new peptide?

No, blending does not chemically join the three ingredients into a new peptide. GHK-Cu, BPC-157, and TB-500 retain their separate molecular identities.

Is Glow Blend FDA approved?

No, Glow Blend is not an FDA-approved drug or cosmetic product. It is offered exclusively for controlled non-clinical research.

What is Ipamorelin peptide?

Ipamorelin is a synthetic five-residue peptide studied as a selective ghrelin-receptor agonist and growth hormone secretagogue. It is supplied here only for non-clinical research.

How does Ipamorelin work?

Ipamorelin activates the GHS-R1a receptor in experimental models, which can signal the release of growth hormone. Research findings do not establish this vial as safe or effective for human use.

Is Ipamorelin FDA approved?

No, ipamorelin is not FDA approved as a human drug. This lyophilized product is a research material, not an approved pharmaceutical.

What is in KLOW Blend 80mg?

KLOW contains GHK-Cu 50mg, BPC-157 10mg, TB-500 10mg, and KPV 10mg. The four components total 80mg per research vial.

What pathways does KLOW Blend target in research?

Its components are studied across copper and matrix signaling, vascular and nitric-oxide pathways, actin-related cell behavior, and NF-κB/MAPK signaling. The blend does not establish a proven human effect.

Is KLOW Blend FDA approved?

No, KLOW Blend is not an FDA-approved drug product. It is manufactured and sold solely for non-clinical research.

What is KPV peptide?

KPV is the tripeptide Lys-Pro-Val, a three-amino-acid fragment corresponding to the end of alpha-MSH. It is studied in non-clinical models of cellular transport and inflammatory signaling.

How does KPV work in laboratory studies?

Preclinical research suggests KPV can enter certain cells through peptide transporters and modulate NF-κB and MAPK signaling. These findings do not establish an approved human use.

Is KPV FDA approved?

No, KPV is not FDA approved as a human drug. This product is supplied only for controlled research purposes.

What is MOTS-C peptide?

MOTS-C is a 16-amino-acid peptide encoded by a short region of mitochondrial DNA. Researchers study it as a mitochondrial signaling molecule involved in metabolic-stress pathways.

How does MOTS-C work?

Preclinical research suggests MOTS-C alters folate-cycle and purine-synthesis activity, increasing AICAR and activating AMPK. These findings describe experimental mechanisms, not guaranteed human effects.

Is MOTS-C FDA approved?

No, MOTS-C is not FDA approved as a drug for human use. This vial is offered exclusively for non-clinical research.

What is NAD+?

NAD+ is the oxidized form of nicotinamide adenine dinucleotide, a coenzyme central to redox reactions and cellular metabolism. It is a dinucleotide rather than an amino-acid peptide.

How does NAD+ work in cells?

NAD+ accepts electrons to form NADH and is also consumed by enzymes such as sirtuins and PARPs. Researchers use it to investigate metabolism, redox balance, and enzyme-dependent signaling.

Is this NAD+ product an FDA-approved medication?

No, this 321 Peptides NAD+ vial is not an FDA-approved drug product. It is offered exclusively as a non-clinical research material.

What is Retatrutide?

Retatrutide is an investigational lipidated peptide designed to activate GIP, GLP-1, and glucagon receptors. It is also known by the development code LY3437943.

How does Retatrutide work?

Retatrutide activates three receptor systems involved in nutrient and energy signaling: GIPR, GLP-1R, and GCGR. Researchers study the combined pathway response rather than a single-receptor effect.

Is Retatrutide FDA approved?

No, retatrutide is investigational and is not FDA approved for human use. This 10mg vial is supplied only for non-clinical research.

What is in the Semax and Selank 10mg blend?

Each vial contains Semax 5mg and Selank 5mg, for 10mg total research material. The peptides remain distinct compounds within the lyophilized blend.

What is the difference between Semax and Selank?

Semax has the sequence MEHFPGP and is studied in neurotrophin and gene-expression models. Selank has the sequence TKPRPGP and is studied in GABA-related and regulatory-peptide models.

Are Semax and Selank FDA approved?

No, neither Semax nor Selank is an FDA-approved human drug product. This blend is supplied exclusively for controlled, non-clinical research.

What is SS-31 peptide?

SS-31 is a synthetic four-residue peptide associated with the name elamipretide and studied for binding to mitochondrial cardiolipin. Its sequence is D-Arg-2,6-dimethyl-Tyr-Lys-Phe-NH2.

How does SS-31 work?

SS-31 binds cardiolipin in the inner mitochondrial membrane and is studied for effects on membrane organization and mitochondrial function. Experimental outcomes depend on the model and should not be generalized to personal use.

Is SS-31 FDA approved?

Elamipretide received accelerated FDA approval as Forzinity for a specific Barth syndrome indication in qualifying patients. This 321 Peptides research vial is not the approved Forzinity drug product and is not intended for human use.

What is Tesamorelin?

Tesamorelin is a modified 44-amino-acid analog of growth hormone-releasing hormone. It is studied for GHRH-receptor and growth-hormone-axis signaling.

How does Tesamorelin work?

Tesamorelin activates the GHRH receptor, which signals pituitary cells to synthesize and release growth hormone. Researchers can then examine downstream markers such as IGF-1 in appropriate models.

Is this Tesamorelin the FDA-approved medicine?

No, this 321 Peptides research vial is not the FDA-approved tesamorelin drug product. It is not intended for human consumption or as a substitute for a prescription medicine.

What is Tirzepatide?

Tirzepatide is a modified 39-amino-acid peptide that activates both GIP and GLP-1 receptors. The molecule contains a C20 fatty-diacid side chain attached through a linker.

How does Tirzepatide work in research models?

Tirzepatide activates GIPR and GLP-1R, letting researchers study coordinated incretin-receptor signaling. The lipid side chain also supports albumin interaction in biological systems.

Is this product Mounjaro or Zepbound?

No, this research vial is not Mounjaro, Zepbound, or another FDA-approved drug product. It is not intended for human use or as a prescription substitute.

What is in the Wolverine 10mg peptide blend?

Each vial contains BPC-157 5mg and TB-500 5mg, for 10mg total research material. The two peptides remain separate compounds within the blend.

Which form of TB-500 is used in this specification?

This specification identifies TB-500 as the seven-residue N-acetylated fragment Ac-LKKTETQ, CAS 885340-08-9. It is not the full 43-amino-acid thymosin beta-4 molecule.

Is the Wolverine blend FDA approved?

No, neither the Wolverine blend nor this research vial is an FDA-approved drug product. It is supplied exclusively for non-clinical research.