UK editorial comparison · no paid placements
Peptides, collagen and GLP-1. UK routes compared.
Four categories. One independent hub. UK peptide skincare, ingestible collagen, research peptides, and prescription GLP-1 weight-loss routes, all editorially reviewed.
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CoA Trust Index 22 UK retailers scored 4 strong 10 partial 8 weak See methodology →Live regulatory tracker
What UK regulators are saying about peptides and GLP-1 medicines
Last updated
- WADA
WADA 2025 Prohibited List in force. BPC-157 explicitly named under S0 (non-approved substances).
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- FDA
FDA Category 1 Bulk Drug Substances list update. Several research peptides remain off the 503A approved list.
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- MHRA
MHRA action on unlicensed semaglutide and tirzepatide supply. Letters issued to UK sellers marketing for weight loss.
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Shop by goal
Four peptide categories. One hub.
Each category has its own rules, its own retailers, and its own evidence base. We cover all four and let you pick.
Cosmetic
Skincare peptides
GHK-Cu copper peptides, Matrixyl 3000, palmitoyl tripeptides. UK serums and product picks.
Open this categoryIngestible
Collagen supplements
Marine, bovine, vegan-builder. Type I, II, III. Honest UK comparison and what the evidence shows.
Open this categoryResearch
Research peptides
BPC-157, MOTS-c, ipamorelin and more. Encyclopedia + UK retailer comparison. Research use only, no human-use claims.
Open this categoryPrescription
GLP-1 clinics
Mounjaro, Wegovy, tirzepatide via UK private clinics and online pharmacies. Editorial comparison of routes.
Open this categoryFeatured comparison
BPC-157 vs TB-500
The two most-discussed research peptides in the tissue-healing literature. Both have substantial preclinical (rodent) data, zero published human RCTs, and identical UK regulatory framing. Both sit on the WADA prohibited list.
Left
BPC-157
Animal only, no human RCTsSynthetic peptide derived from a fragment of a protein found in human gastric juice. Most preclinical data comes from the Sikiric group at the University of Zagreb.
Right
TB-500
Animal only, no human RCTsSynthetic fragment of the naturally occurring thymosin beta-4 protein. Broader independent replication across multiple research groups.
Quick wins
High-traffic question pages. Pick one to start.
- Best UK GHK-Cu copper peptide serums
- Marine vs bovine vs vegan collagen
- What is BPC-157 (UK)
- UK research peptide retailer comparison
- UK GLP-1 clinics compared
- GLP-1 medications: UK guide (Mounjaro, Wegovy, NHS access)
- Best UK peptide and collagen picks 2026
- UK peptides FAQ: research, GLP-1, collagen, cosmetic
- Peptide questions: AI search answers, UK
- Peptides glossary
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What we are not
- · We are not a pharmacy. We do not dispense medication.
- · We are not a clinic. We do not prescribe.
- · We do not sell research peptides. We list UK retailers and link out.
- · We do not promise weight loss numbers, before/after photos, or specific results.
- · We do not recommend a specific medication or supplement to a specific person.
We summarise UK peptide categories in plain English. We list UK retailers and clinics. The decision is yours. For prescription medicine the prescriber decides. For supplements your judgement. For research peptides the retailer's "research use only" framing applies.
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Shop UK peptides, collagen and GLP-1 routes
Compare UK retailers, clinics and pharmacies across every PeptideClear category.