For laboratory research use only. Not for human consumption, diagnostic, or therapeutic use.
Y
YiXiSheng Biotechnology

Engineered Purity.
Proven Science.

Research-grade peptides synthesized in-house and triple-tested to ≥99% purity — then delivered discreetly to your door, anywhere in 40+ countries.

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≥99% Purity
Tirzepatide research peptide vial
Tirzepatide · 5mg
HPLC + MS Verified
Research & Development

Every Vial Backed
By Real Science

No middlemen. No relabeling. We synthesize, purify, and verify every compound in our own facility — then prove it on paper.

≥99%
Purity, Verified
HPLC and Mass Spectrometry on every batch. A Certificate of Analysis ships with your order — no exceptions.
3×
Independent Testing
Chromatography, mass spec, and amino acid analysis. Three separate confirmations before a batch is released.
100+
Research Compounds
From metabolic incretins to recovery and nootropic peptides — plus custom synthesis built to your exact sequence.
The Collection

Six Of Our Most
Requested Compounds

Lyophilized to perfection, batch-documented, and ready to ship within 24 hours.

Best Seller Tirzepatide 5mg
Tirzepatide
≥99% Purity5mg
High Demand Retatrutide 5mg
Retatrutide
≥99% Purity5mg
Research Grade Tesamorelin 2mg
Tesamorelin
≥99% Purity2mg
Lab Favorite Ipamorelin 5mg
Ipamorelin
≥99% Purity5mg
Classic BPC-157 5mg
BPC-157
≥99% Purity5mg
Limited Batch BPC-157 + TB-500 10mg
BPC-157 + TB-500
≥99% Purity10mg

+ 100 more compounds available — ask our team on Facebook →

★ Trusted by 10,000+ Researchers ★ Shipped to 40+ Countries ★ Every Batch Third-Party Tested ★ COA Included With Every Order ★ Discreet Temperature-Controlled Shipping ★ Custom Synthesis Available ★ Trusted by 10,000+ Researchers ★ Shipped to 40+ Countries ★ Every Batch Third-Party Tested ★ COA Included With Every Order ★ Discreet Temperature-Controlled Shipping ★ Custom Synthesis Available
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Your Research?

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