Research blog

Compound profiles, storage protocols, COA verification guidance and UK regulatory context.

Research blog

Compound profiles, storage protocols, COA verification guidance and UK regulatory context.

Research

Compound profiles, storage and reconstitution protocols, HPLC and COA verification guidance, and UK regulatory context for research peptides.

BPC-157 Peptide: What It Is and What the Research Shows — 18 Apr 2026
What BPC-157 is: the 15-amino-acid peptide GEPPPGKPADDAGLV, the cytoprotective and angiogenic pathways it is studied in, and what in-vitro research shows.
TB-500 Peptide (Thymosin Beta-4): What the Research Shows — 12 Apr 2026
TB-500 is the active LKKTETQ fragment of Thymosin Beta-4. What its actin-binding function is, and the in-vitro cell-migration research the fragment appears in.
GHK-Cu Copper Peptide: What the Research Shows — 08 Apr 2026
GHK-Cu, the copper-binding tripeptide: what in-vitro research shows about its effects on gene expression and extracellular-matrix remodelling in cell models.
How to Read a Peptide COA and HPLC Purity Report — 02 Apr 2026
How to read a peptide COA: what an HPLC chromatogram shows, how purity is calculated under USP 〈621〉, and why mass spectrometry is needed alongside it.
Peptide Storage: How to Store Lyophilised Peptides Correctly — 28 Mar 2026
How to store lyophilised peptides: why degradation starts above +4°C, the correct −20°C cold-chain method, and how freeze-thaw cycling damages peptides.
Are Peptides Legal in the UK? The Regulatory Landscape — 22 Mar 2026
Are peptides legal in the UK? How the Human Medicines Regulations 2012 treat research chemicals, and what counts as a prohibited medicinal claim. Not legal advice.
Peptide Reconstitution: How to Reconstitute Peptides Correctly — 18 Mar 2026
How to reconstitute peptides with bacteriostatic water: step-by-step technique, concentration calculations, and how to store the solution afterwards.
Epithalon Peptide (AEDG): Telomerase and Telomere Research — 14 Mar 2026
Epithalon (AEDG), the synthetic tetrapeptide Ala-Glu-Asp-Gly: what in-vitro and animal research examines about telomerase (hTERT) and telomere biology.
Fake Peptides: How to Spot Counterfeit Suppliers and COAs — 10 Mar 2026
How to spot fake peptides: verifying a supplier, reading a genuine COA, and the mass-spec check that catches substituted or mislabelled compounds.
Selank Peptide: What In-Vitro Research Shows — 06 Mar 2026
Selank (TKPRPGP), a synthetic tuftsin analogue: its GABA and BDNF research profile in preclinical models. In-vitro laboratory research framing only.
Peptide Degradation: What Causes It and How to Reduce It — 19 Feb 2026
What degrades peptides — hydrolysis, oxidation, deamidation, aggregation and racemisation — and evidence-based ways to prevent each in the laboratory.
Blended Peptide Vials: Sound Science or Just Marketing? — 14 Feb 2026
Are blended peptide vials sound science or just marketing? The chemical-stability trade-offs of pre-mixed blends versus single-compound vials.
CJC-1295 and Ipamorelin: In-Vitro Receptor Research — 08 Feb 2026
CJC-1295 (no DAC) and Ipamorelin: their distinct GH-secretagogue receptor pathways, and why the two peptides are studied together in vitro.
AOD-9604 Peptide: In-Vitro Fragment Research — 02 Feb 2026
AOD-9604, the modified hGH fragment 177-191: how it is used as an in-vitro tool compound to study growth-hormone structure-function. Research use only.
Semax Peptide (ACTH 4-10 Fragment): Research Overview — 27 Jan 2026
Semax (MEHFPGP), the synthetic ACTH(4-10) fragment: what preclinical research examines about BDNF and monoamine signalling in model systems.
Bacteriostatic Water vs Sterile Water for Peptides — 22 Jan 2026
Bacteriostatic water vs sterile water for peptides: the benzyl-alcohol difference, shelf life after opening, and which suits multi-draw research use.
Third-Party Peptide Testing: Why Independent Labs Matter — 16 Jan 2026
Why independent third-party peptide testing matters, what ISO 17025 accreditation means, and what a genuine batch-specific COA actually contains.
Importing Peptides into the UK: Customs, EORI and HS Codes — 10 Jan 2026
Importing peptides into the UK: EORI registration, the right HS commodity code, import VAT, and HMRC declaration basics for researchers.
Peptide Purity: What Does 99% Actually Mean? — 04 Jan 2026
Peptide purity explained: crude vs desalted vs HPLC-purified, how the percentage is calculated under USP 〈621〉, and how pure a research peptide needs to be.
Vivera Labs Only Sells Direct: We Are Not on Any Third-Party Platform — 28 Dec 2025
An important notice regarding unauthorised resellers. Vivera Labs does not sell through any third-party marketplace. If you did not purchase directly from viveralabs.com, your product is not from us.
Solid-Phase Peptide Synthesis (SPPS): How Peptides Are Made — 14 Dec 2025
How research peptides are made: Fmoc solid-phase peptide synthesis (SPPS) from resin loading through cleavage to HPLC purification, explained step by step.

For in-vitro laboratory research use only. Not for human or veterinary use, consumption, or therapeutic application. No medical claims are made.

Topical skincare

Guides to the peptides in our topical range — what each ingredient is and what the research on it actually found. Cosmetic products, not research compounds.

Peptide Eye Cream for Dark Circles: Benefits Explained — 27 Jul 2026
Discover how peptide eye cream can reduce dark circles and enhance skin firmness. Learn about Vivera Labs' scientifically backed Peptide Eye Gel-Cream.
Peptides in Skincare: What They Are and What the Research Shows — 20 Jul 2026
Peptides in skincare, explained plainly: what they are, the skin-penetration problem that limits them, and what the published research actually found.
Peptides for Hair: What the Topical Research Shows — 16 Jul 2026
Peptides for hair: what the topical, applied-to-skin research on IGF-1 and copper peptides actually found — and what is still animal or lab-stage.
Does GHK-Cu Help Skin? What the Research Actually Shows — 16 Jul 2026
Does GHK-Cu help skin? What the collagen and fibroblast studies on copper tripeptide-1 found — and what is still lab-stage, not proven in clinical trials.
What Is PDRN? The Skincare Ingredient, Explained — 23 Jul 2026
What PDRN is, what a topical PDRN serum can do for the look of skin, and how the cosmetic ingredient differs from the in-clinic injectable of the same name.
Peptide Hair Serums: What They Are and What to Look For — 23 Jul 2026
What peptide hair serums are, the peptides you’ll see on the label, and how to read one honestly — including where cosmetic hair care ends and medical hair-loss treatment begins.

Cosmetic product for external application to the skin. Not a medicine; no therapeutic claims are made. Not for ingestion, inhalation or injection. Patch test before first use.