Articles
Research peptides, explained plainly
What each compound is, how the similar ones differ, how to store a vial and how to choose a seller. The compounds are for in-vitro laboratory research only.
Sourcing GuideChoosing a peptide seller in Moldova: 8 checksWhat to check before ordering research peptides in Moldova: HPLC-MS purity, the vial, the label, delivery, payment and the seller's honesty. Short, practical.September 24, 2026Selank & SemaxSemax and Selank: pharmacy drops vs a research vialIn pharmacies Semax and Selank are ready-made medicinal drops; ours is a dry peptide in a vial for labs. How they differ in form, content, storage and status.September 24, 2026Research GuideThymosin alpha-1 vs thymosin beta-4: the differenceThymosin alpha-1 and thymosin beta-4 (TB-500) are two unrelated peptides with similar names. Where the mix-up comes from, how they differ and what is studied.September 24, 2026Practical GuideBacteriostatic water: what it is and why you need itBacteriostatic water is sterile water with 0.9% benzyl alcohol. How it differs from plain sterile water, how to store it and why it comes free with peptides.September 24, 2026Mitochondrial ResearchMOTS-c, plainly: the peptide from mitochondriaMOTS-c is a 16-amino-acid peptide encoded in mitochondrial DNA rather than the nucleus. What that means, what is studied and how it differs from SS-31.September 24, 2026Incretin peptidesTirzepatide in plain English: what the molecule isTirzepatide: a 39-amino-acid peptide that switches on GIP and GLP-1 receptors. How the molecule is built and how a research vial differs from the pharmacy one.September 24, 2026Incretin peptidesOzempic, Mounjaro and retatrutide: the differenceOne receptor, two, then three: semaglutide is GLP-1 only, tirzepatide adds GIP, retatrutide adds glucagon. Brand names, CAS numbers and the published trials.August 31, 2026Incretin peptidesRetatrutide vs tirzepatide: the difference, plainlyTirzepatide switches on two receptors, retatrutide three: it adds the glucagon receptor. What that means without the jargon, plus a side-by-side table.August 8, 2026Research GuideGHK-Cu vs GHK: the copper peptide differenceGHK is the tripeptide Gly-His-Lys; GHK-Cu is the same peptide bound to a copper ion, the form that is studied. How they are built and how they differ.August 7, 2026BioregulatorsKhavinson bioregulators: Epithalon, Selank, SemaxWhat peptide bioregulators are and who studied them. Epithalon is an epithalamin (AEDG) analogue, Selank a tuftsin one, Semax an ACTH fragment. In brief.August 6, 2026Mitochondrial ResearchMOTS-c vs SS-31: two mitochondrial peptides comparedMOTS-c is encoded in mitochondrial DNA and studied through AMPK; SS-31 is a synthetic tetrapeptide that binds cardiolipin. How they differ, in brief.August 5, 2026Compound OverviewAOD-9604: the modified hGH 176-191 fragmentAOD-9604 is a modified 16-amino-acid fragment (176–191) of growth hormone. How it is built, how it differs from the full hormone and what has been studied.May 13, 2026Practical GuidePeptide COA: how to read a certificate of analysisHPLC shows the sample is pure; mass spec shows it is the peptide you ordered. How to read a COA: purity, mass, water, endotoxin and the signs of a fake.May 13, 2026Research GuidePeptide stacks in research: the 4 common pairingsFour pairings from the preclinical literature: BPC-157 and TB-500, CJC-1295 and ipamorelin, Epithalon and Pinealon, Selank and Semax. Why they recur.May 13, 2026Practical GuideHow to store peptides: fridge, freezer and solutionKeep the dry vial at 2–8 °C in the dark, or at −20 °C for the long term. How to dissolve the powder, how long a solution keeps and when to throw a vial away.May 13, 2026Selank & SemaxSelank vs Semax: the difference in plain EnglishSelank and Semax are two different peptides from the same institute. What each is made from, what is studied and how they differ: a table, FAQs and prices.May 13, 2026Sourcing GuideCertified peptide supplier in Europe: what to checkNo EU body certifies peptide suppliers. What to check instead: laboratory accreditation, batch-level paperwork and the REACH exemption, point by point.May 12, 2026Stack GuideCJC-1295 and ipamorelin: DAC vs no-DAC explainedCJC-1295 without DAC has a half-life of about 30 minutes; with DAC, 6–8 days. Ipamorelin is a selective GHS-R1a agonist. How the two differ, and why.May 12, 2026Longevity ResearchEpithalon (AEDG): telomeres and telomerase explainedEpithalon is the tetrapeptide Ala-Glu-Asp-Gly. What telomeres and telomerase are, what cell-culture experiments showed and why the evidence is still thin.May 12, 2026Research GuideBPC-157 vs TB-500: how the two peptides differBPC-157 is a 15-amino-acid peptide; TB-500 is a copy of 43-amino-acid thymosin beta-4. How their structure, mechanisms and CAS numbers differ, in brief.April 1, 2026Longevity ResearchLongevity peptides: SS-31, MOTS-c and EpithalonFour peptides from ageing research and how they differ: SS-31 binds cardiolipin, MOTS-c activates AMPK, Epithalon targets telomerase, humanin is mitochondrial.April 1, 2026Sourcing GuideResearch peptides in Eastern Europe: what to checkEastern European labs pay for long transit and stricter customs checks. What to verify in a supplier, how the paperwork clears, and how long delivery takes.April 1, 2026Incretin peptidesRetatrutide: what this peptide is, in plain EnglishRetatrutide (LY3437943) switches on three receptors at once: GLP-1, GIP and glucagon. What that means, what the published trials showed and where phase 3 is.April 1, 2026Compound ProfileBPC-157: what this peptide is and what is knownBPC-157 is a 15-amino-acid peptide derived from a gastric-juice protein. Its sequence, CAS 137525-51-0, stability and what the preclinical literature covers.March 31, 2026GuideHow to reconstitute a peptide: water and the mathsRun bacteriostatic water down the vial wall, then wait 1–2 minutes without shaking. Concentration: mg × 1000 ÷ mL = mcg/mL. Step by step, with worked examples.March 31, 2026GuideWhat are peptides? Structure and how they differA peptide is a chain of 2 to 50 amino acids joined by peptide bonds; past about 50 it is a protein. How peptides are built, their classes and purity testing.March 31, 2026
