5 peptides
Healing & Recovery
Peptides for tissue repair, injury recovery, and accelerated healing processes.
BPC-157TB-500GHK-Cu
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Evidence-Based UK & EU Peptide Research
UK Peptide Research, Made Accessible
71 Peptides Covered
Evidence-Based
UK & EU Focus
Peer-Reviewed Sources
Important: This website provides educational and informational content only. Peptides discussed are not approved medicines. This is not medical advice. Always consult a qualified healthcare professional before making health decisions.
Safety, law, and evidence — the foundations
Four reference hubs that underpin everything else on this site. Read these before reading a single peptide profile.
23 safety pages
Safety Centre
Unlicensed-peptide risks, counterfeit weight-loss pens, online-seller red flags, clinic-claim red flags, athlete anti-doping, Yellow Card reporting, UK pharmacy checks.
Explore26 legal guides
UK Law
Plain-English UK regulatory reference: licensed medicines, prescription-only status, research peptides, GLP-1 medicines, athletes, importing, fake pens.
Explore8 pages
GLP-1 Centre
Patient-pathway view of Wegovy / Ozempic / Mounjaro / Saxenda — NHS access, private clinics, side-effect literacy, doctor questions.
ExploreLive tool
Evidence Explorer
Filterable peptide table by A–E evidence grade, UK regulatory status, sport / WADA risk, and category. Triage tool before reading the full profile.
ExploreLatest UK safety updates
What UK regulators have flagged recently
A four-item snapshot of recent MHRA / NICE / WADA action affecting peptide and GLP-1 medicines. Most-recent first.
MHRAFebruary 2026
Falsified Mounjaro 15 mg KwikPens reach UK patients
MHRA alert: counterfeit Mounjaro 15 mg pens via unlicensed online supply. Unexpected adverse reactions and inconsistent effects suggest contents are not genuine tirzepatide at the stated concentration.
Read moreMHRA2026 (ongoing)
Disruption of illegal weight-loss medicine manufacturing
MHRA and partners report disruption of illegal manufacturing networks producing unlicensed compounded GLP-1 supply marketed to UK consumers via online clinics that bypass real clinical assessment.
Read moreMHRA2025
‘Compounded semaglutide’ enforcement begins
MHRA began acting against UK online clinics marketing ‘compounded semaglutide’ as a cheap Wegovy alternative. Enforcement basis: unlicensed-medicine supply outside the ‘specials’ framework.
Read moreMHRA2025
Counterfeit Ozempic — sustained UK border seizures
Sustained pressure on Ozempic supply kept the counterfeit market active through 2025. Some seized pens contained insulin rather than semaglutide — a direct hypoglycaemia risk for non-diabetic users.
Read moreWhat are you trying to understand?
Pick the closest fit — each pathway routes you into our most useful content for that question.
I'm trying to understand UK peptide law
Plain-English regulatory reference — licensed medicines, prescription-only status, 'research only' framing, MHRA position.
Start hereI'm researching GLP-1 weight-loss medicines
Wegovy / Ozempic / Mounjaro / Saxenda — NHS access, private routes, side-effect literacy, counterfeit pen safety.
Start hereI saw a peptide clinic advert
Red-flag wording, regulatory signals, questions to ask before booking. Plus the clinic-claim checker tool.
Start hereI'm an athlete
WADA / UKAD framing, the S0 non-approved substances category, strict-liability rules, plus the athlete risk checker.
Start hereI found a peptide seller online
Warning signs of unregulated sellers, what a real UK pharmacy website shows, and how to look up GPhC / PSNI registers.
Start hereI want to understand evidence levels
Our public A–E grading scale (plus R for regulatory risk, S for sport risk) — used across every peptide profile.
Start hereI want to ask my doctor better questions
Structured starter questions for a GP, specialist, pharmacist, or anti-doping advisor.
Start hereI want to understand fake pen risks
Counterfeit Ozempic / Wegovy / Mounjaro pens are a major UK safety issue. Warning signs and what to do.
Start hereExplore Peptide Categories
Browse our comprehensive peptide database organised by primary function and research focus.
10 peptides
Fat Loss & Metabolic
Research compounds for metabolism and body composition — AOD-9604, tesofensine, and investigational fat-loss peptides.
AOD-9604TesofensineHGH Fragment
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11 peptides
Longevity & Anti-Ageing
Peptides associated with healthy ageing, cellular repair, and lifespan extension.
EpitalonMOTS-cGHK-Cu
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6 peptides
Cognitive & Neurological
Peptides for brain health, cognitive enhancement, and neurological support.
SelankSemaxBDNF
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20 peptides
Hormonal & Endocrine
Growth hormone secretagogues and peptides affecting the endocrine system.
CJC-1295IpamorelinSermorelin
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7 peptides
Immune & Inflammatory
Peptides for immune modulation, inflammation control, and immune support.
Thymosin Alpha-1LL-37VIP
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3 peptides
GLP-1 Agonists
MHRA-licensed prescription medications for weight loss and type 2 diabetes — Wegovy, Mounjaro, Ozempic, Saxenda.
SemaglutideTirzepatideLiraglutide
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1 peptides
Cosmetic Peptides
Peptides for topical skincare, collagen stimulation, and skin rejuvenation.
MatrixylArgirelineGHK-Cu
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Combination Protocols
Peptide Stacks
Research-backed peptide combinations that work synergistically for enhanced effects.
GH Optimization
CJC-1295 + Ipamorelin
CJC-1295
Ipamorelin
Synergistic GH optimization combining GHRH and ghrelin pathways for sleep, recovery, and body composition.
View protocol details
Healing & Recovery
BPC-157 + TB-500
BPC-157
TB-500
Comprehensive healing stack combining angiogenesis and cell migration for tissue repair and recovery.
View protocol details
Skin & Wound Healing
BPC-157 + GHK-Cu
BPC-157
GHK-Cu
Skin and wound healing synergy combining angiogenesis with collagen synthesis and tissue remodelling.
View protocol details
Cognitive Enhancement
Semax + Selank
Semax
Selank
Nootropic synergy combining BDNF enhancement with anxiolytic effects for calm, focused cognition.
View protocol details
Research purposes only. These protocols represent theoretical combinations based on individual peptide research.
Research Guides
Peptides by Condition
Explore our comprehensive guides on peptides researched for specific health goals and conditions.
New Guide
Peptides for Sleep Optimization
DSIP, CJC-1295, Ipamorelin and peptides researched for sleep quality and GH recovery.
Read guide
Peptides for Hair Growth
GHK-Cu, Thymosin Beta-4 and peptides researched for follicle health and hair restoration.
Read guide
Peptides for Tendon Injuries
Research on BPC-157, TB-500 and other peptides for tendon healing and repair.
Read guide
Peptides for Fat Loss
Explore peptides researched for weight management and metabolic support.
Read guide
Peptides for Muscle Growth
Growth hormone secretagogues and peptides studied for muscle hypertrophy.
Read guide
Peptides for Anti-Ageing
Longevity peptides researched for healthy ageing and cellular repair.
Read guide
Peptides for Cognitive Enhancement
Nootropic peptides like Semax and Selank for brain health and focus.
Read guide
Peptides for Immune Support
Thymosin alpha-1, LL-37 and peptides researched for immune modulation.
Read guide
Peptides for Sexual Health
PT-141, Kisspeptin and peptides researched for sexual function and libido.
Read guide
Peptides for Joint Health
BPC-157, TB-500, GHK-Cu and peptides researched for cartilage and joint repair.
Read guide
New Guide
Peptides for Gut Health
BPC-157, LL-37 and peptides researched for digestive healing and intestinal repair.
Read guide
New Guide
Peptides for Skin Health
GHK-Cu, BPC-157 and peptides researched for wound healing, collagen synthesis and skin regeneration.
Read guide
New Guide
Peptides for Wrinkle Reduction
Argireline, SNAP-8, Matrixyl and cosmetic peptides for expression lines and collagen restoration.
Read guide
New Guide
Peptides for Skin Firmness
GHK-Cu, Matrixyl and collagen-stimulating peptides for dermal integrity and structural anti-ageing.
Read guide
BPC-157
Healing & RecoveryA pentadecapeptide researched for its potential tissue repair and healing properties.
Preclinical & emerging human dataLearn more
Semaglutide
Fat Loss & MetabolicA GLP-1 receptor agonist with extensive research in metabolic health.
FDA/EMA approvedLearn more
CJC-1295
Hormonal & EndocrineA synthetic GHRH analogue studied for growth hormone stimulation.
Clinical trialsLearn more
Thymosin Alpha-1
Immune & InflammatoryA thymic peptide researched for immune modulation and enhancement.
Approved in some countriesLearn more
Selank
Cognitive & NeurologicalA synthetic peptide derived from tuftsin, researched for anxiolytic properties.
Approved in RussiaLearn more
Epitalon
Longevity & Anti-AgeingA tetrapeptide studied for its potential effects on telomerase activation.
Preclinical researchLearn more
Latest Articles
Fresh research insights and beginner guides
Health & Wellness
8 minMounjaro vs Ozempic for Weight Loss UK
Mounjaro and Ozempic are both GLP-1 based treatments now widely used for weight loss in the UK. This article compares the two drugs head-to-head — trial data, UK costs, and how to discuss your options with a prescriber.
Practical Guides
7 minHow to Store Mounjaro & Wegovy UK: Fridge, Travel & Shelf Life
Storing your Mounjaro or Wegovy pen correctly is essential for the medication to work properly. This guide covers fridge requirements, room temperature limits, travel storage, and what to do if your pen has been left out too long.
Health & Wellness
7 minSemaglutide & Pancreatitis Risk UK: What the Evidence Shows
Pancreatitis is listed as a potential risk of GLP-1 medications including semaglutide. This article examines what the MHRA and EMA data actually shows, who is at higher risk, and what symptoms should prompt you to stop immediately.
UK Peptide Research Updates
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Evidence-Based Content
All information is sourced from peer-reviewed research, clinical trials, and reputable medical literature.
Expert Editorial Board
Content is reviewed by qualified professionals with expertise in biochemistry, pharmacology, and clinical research.
UK & EU Regulatory Context
Legal status and regulatory information specific to United Kingdom and European Union jurisdictions.
Layered Information
Content structured from beginner-friendly overviews to advanced mechanistic details for researchers.