Blog
Guides on peptide chemistry, analytical testing, storage and sourcing, written for laboratory researchers.
Latest · Research Peptides
A full research overview of SS-31 — the Szeto-Schiller aromatic-cationic tetrapeptide that concentrates in the inner mitochondrial membrane and binds cardiolipin — covering mechanism, the published research literature, handling, and analytical verification.
· 24 min read
Research Peptides
A research-focused overview of Selank — the Pro-Gly-Pro-stabilized tuftsin heptapeptide — covering structure, the GABAergic and monoaminergic research literature, analytical verification, and handling.
· 24 min read
Research Peptides
A research-focused overview of Semax — the Pro-Gly-Pro-stabilized ACTH(4-7) heptapeptide — covering structure, the neurotrophin and monoamine research literature, analytical verification, and handling.
· 24 min read
Research Peptides
Tesamorelin (a GHRH analog) and ipamorelin (a GHS-R1a agonist) act at two distinct receptors on the same pituitary cell type. Here is the receptor pharmacology, what the published in-vitro and animal literature has examined, and how researchers design these experiments.
· 10 min read
Research Peptides
What drives the cost per mg of tesamorelin research material, how to calculate price per mg, and which Certificate of Analysis fields to check before comparing listings.
· 7 min read
Supplier Guides
A criteria-driven guide to comparing research peptide suppliers in 2026 — analytical documentation, catalog, pricing, shipping, reputation, and transparency — with a checklist you can apply to any vendor, including us.
· 14 min read
Buying Guide
A plain-language FAQ on how research peptides are sold in the United States, what 'research use only' means, and how to check a supplier before placing an online order. Not legal advice.
· 7 min read
Quality & Testing
A practical guide for researchers: how to read a Certificate of Analysis, interpret HPLC chromatograms and identity data (LC-MS or FTIR), and evaluate a supplier's analytical documentation.
· 18 min read
Compliance & Regulatory
A descriptive explainer on the two kinds of peptide product in the United States, research-use-only reagents and FDA-approved drug products, and how their approval, manufacturing, labeling and documentation differ.
· 7 min read
Research Peptides
A plain-language guide to what research peptides actually are, how they're manufactured, how they're used in laboratory settings, and why the 'research use only' designation matters.
· 11 min read
Compliance
A plain-English 2026 explainer on how peptides are treated in the United States: the research-chemical framework, the FDA's focus on marketing and intended use, controlled-substance scheduling and what 'research use only' means. Not legal advice.
· 10 min read
Science
Peptides and anabolic steroids are entirely different classes of molecule with different structures, mechanisms, and legal status. Here is the chemistry-first explainer.
· 9 min read
Vendor Updates
Researchers searching for Peptide Sciences in 2026 want to know what happened and how to keep their projects on track. Here is what is publicly known, without speculation, and a practical checklist for qualifying a replacement supplier.
· 8 min read
Lab Reference
A laboratory-handling reference for research peptides: how lyophilized peptides and peptide solutions behave under different storage conditions, and which factors govern their stability.
· 12 min read
Industry
What grey market peptides are, the real risks of unverified suppliers, and how to evaluate a research peptide vendor in 2026.
· 14 min read
Research Peptides
Why laboratories examine BPC-157 and TB-500 in parallel: a non-redundant, pathway-focused overview for in-vitro laboratory work.
· 18 min read
Peptide Comparisons
A research-focused comparison of Tesamorelin and Sermorelin: molecular structure, DPP-IV stability, receptor pharmacology, and key distinctions for researchers.
· 14 min read
Peptide Comparisons
Two widely cited research peptides compared on structure, chemistry, published laboratory literature and analytical documentation.
· 31 min read
Research Guides
An overview of frequently cited research peptides in 2026 and the analytical documentation researchers should expect for each compound.
· 26 min read
Research Peptides
A research overview of GHRP-6: its ghrelin receptor pharmacology, the published GH axis literature, and comparison to GHRH analogues.
· 28 min read
Research Guides
A 2026 research guide to MOTS-c, the mitochondria-derived peptide examined in published AMPK signaling, one-carbon metabolism and mitochondrial-nuclear communication research.
· 28 min read
Research Peptides
A research-focused overview of LL-37 — the cleaved active fragment of the human cathelicidin hCAP18 — covering structure, cellular sources, and the major preclinical research domains.
· 28 min read
Research Peptides
An overview of nicotinamide adenine dinucleotide (NAD+): its role in cellular redox biology, sirtuin and PARP signaling, NAD+ biosynthesis, and the precursor literature.
· 27 min read
Research Peptides
A research-only overview of the Wolverine Blend (BPC-157 combined with TB-500), including individual peptide profiles, analytical documentation, and the reasons laboratories study the two compounds together.
· 30 min read
Research Peptides
A laboratory guide to GLP-3R: the in-vitro receptor pharmacology it is used to study, how identity is verified analytically, and how the lyophilized material should be stored and documented.
· 26 min read
Research Peptides
Tesamorelin is a synthetic GHRH(1-44) analog used as an in-vitro tool for GHRH receptor pharmacology. A 2026 overview of its chemistry, analytical documentation and laboratory handling.
· 28 min read
Research Peptides
NAD+ sits at the center of cellular redox chemistry and serves as a substrate for sirtuins, PARPs and CD38. A 2026 overview of its biochemistry, analytical verification and laboratory handling.
· 25 min read
Research Peptides
MOTS-c is a 16-amino acid peptide encoded within mitochondrial DNA that has reframed how researchers think about mito-nuclear communication. A 2026 overview of its chemistry, documentation and handling.
· 26 min read
Research Peptides
GHK-Cu is a naturally occurring copper-binding tripeptide whose coordination chemistry and transcriptomic literature make it a distinctive laboratory reagent. A 2026 overview.
· 28 min read
Research Peptides
BPC-157 and TB-500 are two chemically distinct peptides supplied together in the Wolverine Blend. A 2026 look at their chemistry, analytical verification and laboratory handling.
· 29 min read
Research Peptides
GHRP-6 is a synthetic hexapeptide ligand of the ghrelin receptor GHS-R1a and a long-standing reference compound in receptor pharmacology. A 2026 research overview.
· 31 min read
Research Peptides
KLOW Blend contains four chemically distinct peptides in a single vial. A 2026 overview of each component's chemistry, how such a formulation is verified, and how it is stored.
· 25 min read
Research Peptides
GLP-2T is a synthetic peptide used in laboratory studies of GIP and GLP-1 receptor binding and signaling. A 2026 guide to its chemistry, assays and documentation.
· 28 min read
Research Peptides
A research peptide is only as well characterized as the documentation behind it. A 2026 guide to reading HPLC reports, mass spectrometry data and the other analyses on a COA.
· 31 min read
Research Peptides
An overview of BPC-157's chemical identity, the scope of the published in-vitro and animal literature, analytical verification methods and laboratory storage of the lyophilized material in 2026.
· 33 min read
Research Peptides
A detailed guide to TB-500's chemical identity, the actin-binding biochemistry of thymosin beta-4, how the literature is organized, and the analytical documentation laboratories should expect.
· 25 min read
For research use only. Not for human consumption.