Research Journal
Practical guides, compound explainers, and quality-focused notes for the research community.
Latest Reading
Explore current articles on peptide quality, research fundamentals, and performance science.
MOTS-c (12S rRNA, 16 aa) and humanin (16S rRNA, 24 aa) compared: discovery, sequence, reported pathways, cell and rodent findings, observational human data and null results. Research use only.
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Most synthetic peptides leave purification as TFA salts. What the published cell, animal and analytical studies say about TFA vs acetate and hydrochloride, and how labs measure and remove it.
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SPO's pens and vials of the same strength come from the same batch, per the supplier. How the formats differ in container, storage and COA coverage, with the pre-filled container…
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MOTS-c is a 16-residue mitochondrial-DNA-encoded peptide; NAD+ is a coenzyme. What each does, the research by model, and why no study has tested them together.
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KPV and BPC-157 compared: a three-residue alpha-MSH fragment vs a fifteen-residue gastric peptide, their proposed mechanisms, rodent gut-model data and evidence limits.
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GLOW and KLOW share GHK-Cu and BPC-157, but KLOW adds KPV and the two reports show different TB-500 molecules. A component-by-component comparison with sources.
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BPC-157 and TB-500 compared by structure, origin and the cell, rat and mouse studies behind each, including the 2026 head-to-head rat tendon study. Research use only.
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Ipamorelin and tesamorelin both raise GH in research models, but through different receptors. A sourced comparison of structure, models, negative results and regulatory status.
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Semaglutide, tirzepatide and retatrutide compared by receptor profile (GLP-1, GIP, glucagon), structure and regulatory status. Mechanism only; no outcome claims. Research use only.
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Review peptide blend COAs component by component: identity, purity, measured quantity, batch traceability and laboratory report verification.
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