Peptide guides
In-depth guides to individual molecules. Mechanism of action, studies, dosing as examined in the literature, and notes on combinations.
- 58 min read
What are peptides
Pillar guideComplete pillar guide to peptides, structure, manufacturing, quality, classification, mechanisms and use in scientific research.
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 - 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 - 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 - 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 - 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 - 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 - 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
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 - 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 - 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
NAD+ purchase for research: molecule, evidence and batch checks (2026)
Buyer's guide · NAD+ researchBefore an NAD+ purchase for laboratory work: what the coenzyme is and why it is not a peptide, what human studies on NAD+ and its precursors show up to 2026, and which certificate lines separate a usable batch from a doubtful one, from the alpha anomer to NADH and salt form.
Read - 7 min read
Peptides for bodybuilding: what the evidence and doping tests show (2026)
Evidence review · Sport and dopingPeptides for bodybuilding under scrutiny: which compounds circulate in gyms, what human studies actually exist, why before and after photos prove little, how anti-doping laboratories detect BPC-157 and CJC-1295, and what a batch certificate must show.
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 - 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 - 7 min read
Tirzepatide side effects: what the clinical trials reported
Safety review · 7 min readTirzepatide side effects as published in randomised trials: gastrointestinal events, discontinuation rates, serious events, pancreatitis, gallbladder, hypoglycaemia, injection site reactions and what is known about the cancer question.
Read - 6 min read
Are peptides steroids? Chemistry, receptors and the WADA 2026 list
Chemistry guide · 6 min readPeptides and steroids belong to different chemical classes. How amino acid chains differ from cholesterol derived ring systems, which receptors each class uses, where BPC-157 fits, and how the WADA Prohibited List 2026 sorts them.
Read - 6 min read
BPC-157 peptide UK: legal status, research and supplier checks (2026)
UK guide · legal status + evidenceWhat BPC-157 is, what the mostly preclinical literature reports and where it stops, how the peptide stands legally in the UK, why WADA lists it under S0, and how to judge a supplier by its batch certificate. 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 - 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 - 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 - 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 - 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
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 - 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 - 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).
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