Journal
Research receipts,
in plain English.
Guides, compound explainers, and published-research summaries. Written for researchers who want the technique right and the lab data visible.
15 May 2026 · PepC.Labs · 8 min read
FDA Peptide Reclassification 2026: Research Update
On 15 April 2026, the FDA removed twelve peptide bulk drug substances from Category 2 of its Section 503A list, with a Pharmacy Compounding Advisory Committee review scheduled for 23-24 July 2026 covering BPC-157, TB-500, MOTs-c, KPV, Semax, Epitalon, and DSIP. A research-supply update.
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8 articles
14 May 2026 · 8 min
Tesamorelin: Published Research on the GHRH Analogue
Tesamorelin is a synthetic analogue of human growth hormone releasing hormone (GHRH), consisting of all 44 amino acids of endogenous GHRH(1-44)-NH₂ with a trans-3-hexenoic acid moiety conjugated to the tyrosine residue at position 1. This structural modification was engineered
13 May 2026 · 7 min
Semax: A Nootropic Research Peptide Derived from ACTH
Semax (Met-Glu-His-Phe-Pro-Gly-Pro) is a synthetic heptapeptide derived from the adrenocorticotropic hormone (ACTH) fragment ACTH(4-7), extended with the same Pro-Gly-Pro stabilising tripeptide used in the structurally related peptide Selank. Developed at the Institute of Molecul
1 May 2026 · 8 min
Glutathione Research: The Master Antioxidant Tripeptide
Glutathione (γ-L-glutamyl-L-cysteinyl-glycine) is arguably the most studied endogenous antioxidant in the biochemical literature. As a tripeptide composed of glutamate, cysteine, and glycine, it occupies a central role in cellular redox homeostasis, xenobiotic conjugation, and t
11 April 2026 · 8 min
Selank: A Research Overview of the Tuftsin-Derived Peptide
Selank (Thr-Lys-Pro-Arg-Pro-Gly-Pro) is a synthetic heptapeptide developed at the Institute of Molecular Genetics of the Russian Academy of Sciences. It represents one of the more extensively studied nootropic peptides in preclinical literature, with a research history spanning m
11 April 2026 · 7 min
How to Reconstitute Research Peptides: A Complete Laboratory Guide
Reconstitution is the single step in a peptide research protocol where the largest number of mistakes are made. A peptide that has been freeze-dried to a fine powder inside a sealed vial will behave very differently depending on how it is rehydrated, how much diluent is used, how
31 March 2026 · 2 min
How to Store Research Peptides: A Practical Guide
Proper storage is critical to maintaining peptide integrity. Learn the best practices for storing lyophilised and reconstituted research peptides.
31 March 2026 · 2 min
BPC-157 and TB-500: Why Researchers Are Studying Them Together
BPC-157 and TB-500 are two of the most studied peptides in tissue repair research. Here is what the literature says about their mechanisms and why they are often combined.
31 March 2026 · 2 min
Why Purity Matters: What 99%+ Really Means for Research Peptides
Not all peptide purity claims are equal. Learn what HPLC-verified purity means, why it matters for reproducible research, and how to read a Certificate of Analysis.
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A concise lab reference on bacteriostatic water, insulin-syringe unit math, and storage for research peptides. Delivered as a PDF.