Pure peptides, verified by independent labs
YH Peptide supplies lyophilized research peptides in sterile sealed vials, backed by third-party Janoshik test reports.
Every claim backed by a lab report
Retatrutide 20mg tested at 99.83% purity. Browse our published COAs before you order.
Talk to a real person, any time
Message Emily on WhatsApp or email for prices, stock and bulk orders.
Quality first, purity verified
RT20
Retatrutide 20mg · Triple-agonist research peptide. Janoshik tested at 99.83% purity.
KPV
KPV tripeptide · Short anti-inflammatory peptide fragment for laboratory study.
Research peptides you can verify
YH Peptide focuses on a small range of popular research peptides and blends, made to a consistent standard and supplied for laboratory research.
Instead of asking you to trust us, we publish independent test results so you can check identity, quantity and purity before you buy.
More about us
Independent lab testing
Our core products are tested by Janoshik Analytical, and the reports are published on this site.
Sterile sealed vials
Lyophilized powder in sealed glass vials, labelled clearly with code and dose.
Personal 24/7 support
Message Emily directly on WhatsApp or email for orders and questions.
Independent third-party testing
Click any report to open the full certificate. Each one can be verified on janoshik.com with its unique key.
Built around trust
Verified purity
Independent lab testing with reports you can check yourself.
Focused range
GLP-1 analogues, repair peptides, blends and NAD+, all in ready-to-ship vials.
Careful packing
Sealed vials and discreet, protective packaging for safe transit.
Direct contact
No ticket queues. You talk directly to Emily from order to delivery.
Ready to order or need a COA?
Message Emily for prices, stock, bulk orders or any of our lab reports.
All products are sold strictly for laboratory research use only. Not for human or veterinary use.