All articles
The complete list of all articles in English in one place. Peptide guides, practical how-tos, comparisons and a glossary of terms.
Peptide guides
- 6 min read
Selank peptide: tuftsin origin, published research and batch quality (2026)
Molecule guide · ResearchSelank as a single molecule: how a short-lived immune peptide became a stabilised heptapeptide, what the 68 indexed studies examined and what a batch certificate has to prove.
Read - 7 min read
Are peptides safe? What the published research actually reports
Safety review · 7 min readPeptide is a structural category, not a risk category. What controlled trials reported as adverse findings, which molecules have no human dataset at all, and which properties of a vial can be measured rather than claimed.
Read - 7 min read
Peptides Skin Care Serums 2026: INCI Names, Penetration and Layering
INCI names · molecular weight · retinol layeringHow to read a peptide serum label: what the INCI name tells you that the trade name does not, why molecular weight limits what reaches the dermis, why concentrations are quoted in parts per million, and what the published evidence says about layering peptides with retinol. Research use only.
Read - 10 min read
Melanotan 2: What the Melanocortin Research Actually Shows (2026)
Deep dive · Receptor pharmacologyWhat melanotan 2 is, how it acts across the melanocortin receptor family, what the published human case literature reports, and what analytical work found inside vials sold online. Research use only (RUO).
Read - 8 min read
Research peptides in the UK: legal status and buying from the EU (2026)
Legal status + Brexit + supplier checksWhere research peptides stand legally in the UK, what changed for buyers after Brexit, how customs and import VAT work on orders from the EU, and how to verify a supplier before ordering. Research use only (RUO).
Read - 5 min read
Tirzepatide: Dual Agonist Mechanism and Research Data (2026)
Deep dive · Research dataWhat tirzepatide is, how the dual GIP/GLP-1 agonist works, trial results (SURMOUNT-1 20.9%, SURPASS-2 vs semaglutide), half-life and legal status. Research use only (RUO).
Read - 6 min read
Cagrilintide: half-life, brand name and what the research shows (2026)
Compound profile · AmylinCagrilintide is a long-acting amylin analogue given once weekly in trials. What its dosing interval actually rests on, why it has no brand name, what CagriSema showed in phase 3, and why cagri-reta is not a published combination.
Read - 8 min read
How to verify a peptide supplier: reading a CoA properly
Verification guide · 8 min readA certificate of analysis is the only document that connects the vial in your hand to a measurement. What it must contain, why 99 percent HPLC purity does not mean 99 percent peptide, and the seven signs that an offer is not what it claims.
Read - 7 min read
Semax vs Selank: what separates the two most studied nootropic peptides
Comparison · ResearchSemax and Selank come from the same research tradition and are stabilised the same way, but they derive from different parent sequences and are studied in different contexts. A comparison of origin, published evidence, the methodological limits of the literature, and how to verify laboratory material.
Read - 5 min read
TB-500: what the research actually says about the thymosin beta-4 fragment
Compound profile · ResearchTB-500 is a synthetic fragment of thymosin beta-4, not the full protein. An overview of the actin-binding mechanism, the published research from 2007 onward, why the naming confusion matters, and the documentation that makes laboratory material usable.
Read - 5 min read
CJC-1295 and Ipamorelin: the complete research guide (2026)
Research guide · GH axisWhat CJC-1295 and ipamorelin are, how a GHRH analogue differs from a selective ghrelin receptor agonist, what the key studies show, why the two molecules are combined in research protocols and what to check before buying.
Read - 4 min read
MOTS-c peptide: the complete research guide (2026)
Research guide · LongevityWhat MOTS-c is, why a peptide encoded in mitochondrial DNA is called an exercise mimetic, what the key studies show about metabolism and ageing, and what to check before buying it for laboratory research.
Read - 5 min read
Cagrilintide: Mechanism, CagriSema and Research Data (2026)
Deep dive · Research dataWhat cagrilintide is, how the amylin analogue works, cagrilintide vs semaglutide, CagriSema combination data and trial results. Research context, laboratory use only (RUO).
Read - 4 min read
Retatrutide: Triple Agonist Mechanism and Research Data (2026)
Deep dive · Research dataWhat retatrutide is, how the GIP/GLP-1/glucagon triple agonist works, trial results (NEJM 24.2%, TRIUMPH), half-life and legal status. Research use only (RUO).
Read - 21 min read
Peptides for Weight Loss 2026: GLP-1 Research, Retatrutide and Clinical Data
Complete guide · 21 min readWhich peptides are being investigated in 2026 for weight loss and metabolic health? A comprehensive overview of GLP-1 analogues, triple agonists (retatrutide) and lipolytic fragments with real clinical data.
Read - 22 min read
Peptides for Joints, Tendons and Ligaments 2026: BPC-157, TB-500 and Regeneration Mechanisms
Guide to regenerative peptides · 22 minWhich peptides are being investigated for the regeneration of joints, tendons and ligamentous tissues? A comprehensive overview of BPC-157, TB-500 and GHK-Cu with real studies and healing mechanisms.
Read - 18 min read
Research Peptides for Sale in the EU 2026: Complete Buyer's Guide
Buyer's guide · 18 min readHow to select a quality supplier of research peptides in the EU? Overview of HPLC/MS testing, COA documentation, peptide categories (regeneration, metabolism, longevity, cognition) and what to look for when purchasing.
Read - 23 min read
Peptides for Muscle Growth 2026: Recovery, Mitochondria and Research Mechanisms
Guide to performance peptides · 23 minWhich peptides are being investigated for muscle regeneration and metabolic optimisation? An overview of TB-500, BPC-157, MOTS-c, HGH Fragment and the mechanisms that support performance.
Read - 26 min read
Peptides for Face and Skin 2026: GHK-Cu, Argireline and Cosmetic Research
Guide to cosmetic peptides · 26 minWhich peptides are being investigated for dermatological and aesthetic applications? A comprehensive overview of GHK-Cu, argireline, Snap-8 and epithalon with real scientific data and mechanisms of action.
Read - 22 min read
Peptides for Inflammation 2026: BPC-157, LL-37, Thymosin Alpha-1 and Immunity Mechanisms
Guide to immune peptides · 22 minWhich peptides are being investigated for the modulation of inflammatory and immune processes? An overview of BPC-157, LL-37, Thymosin Alpha-1, TB-500 and SS-31 with real mechanisms of action.
Read - 58 min read
What are peptides
Pillar guideComplete pillar guide to peptides, structure, manufacturing, quality, classification, mechanisms and use in scientific research.
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Practical how-to
Peptide comparisons
- 11 min read
Best Peptides for Fat Loss 2026: Ranked by the Strength of Published Data
Evidence tiers · trial data · price per mgWhich peptides actually have fat loss data behind them, ranked by evidence tier rather than by forum reputation. Phase 3 results, phase 2 results, preclinical-only compounds, sample sizes, trial durations and price per milligram. Research use only.
Read - 3 min read
Retatrutide vs Tirzepatide: Comparing the Research Data (2026)
Full comparison · Research dataRetatrutide vs tirzepatide compared: receptors, half-life, trial results (NEJM, TRIUMPH) and legal status. Triple vs dual agonist in a research context.
Read - 25 min read
BPC-157 vs TB-500: detailed comparison
Detailed comparisonDetailed comparison of BPC-157 and TB-500. Mechanism, studies, half-life, price. When to choose which peptide and when to combine them.
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