All vendors

Peptide Source

Tier 3ActiveUS Retailer
United States COA: Yespeptidessource.com
US

Testing and trust

Third-party COA

Yes

Methods

Third Party (Method: HPLC / MS)

Reputation

Community trust

Moderate Trust

Rated elsewhere

PeptideProtocolWiki score 7.2/10 (Moderate Trust)

Community reputation

Peptide Source is a US-based research peptide vendor with GMP-compliant manufacturing and comprehensive COAs featuring HPLC and mass spectrometry analysis. Ranked as the third-best research peptide company in the United States, the company serves academic and pharmaceutical research settings with a broad catalog and custom synthesis options. All peptides are manufactured under strict quality controls with independent testing for purity and potency.

Reported issues

  • Credit card only payment
  • Limited independent reviews compared to top vendors

Reported issues describe what our data shows. They are not a legal finding.

Catalogue

Peptides carried

5 peptides: Bpc 157, Cjc 1295, Ipamorelin, Semaglutide, Tb 500

Pricing and payment

Payment methods

Credit Card

Shipping

Domestic

Varies; 2-5 business days

Discreet packaging

Yes

For educational and research purposes only. Not medical advice. Always consult a qualified healthcare provider before using any research compound.