Testing and trust
Third-party COA
Yes
Methods
Third Party (Janoshik - Method: HPLC / MS)
Reputation
Community trust
Moderate Trust
Rated elsewhere
PeptideProtocolWiki score 7.8/10 (Moderate Trust)
Community reputation
Growth Guys Canada (GGC, growthguys.ca) is a Canadian-domestic research peptide vendor that has built one of the strongest community reputations among Canadian sources. The vendor's product strategy focuses on a tight catalog of the most-requested compounds - GLP-1 receptor agonists (Semaglutide, Tirzepatide, Retatrutide, Cagrilintide, Survodutide), growth hormone secretagogues (Ipamorelin, Tesamorelin, IGF-1 LR3), healing peptides (BPC-157, TB-500), and PT-141 - rather than a long-tail catalog of hundreds of obscure molecules. All inventory is shipped from inside Canada, which keeps domestic…
Reported issues
- •No international shipping (Canada only)
- •Payment methods limited to crypto and Interac: no chargeback protection
- •Website does not list all available products (inventory occasionally communicated by message)
- •No public company information (ownership, founding date, address not disclosed)
- •Narrow catalog: researchers needing obscure peptides will need a second vendor
- •Pricing not always published directly on site: requires inquiry or login
Reported issues describe what our data shows. They are not a legal finding.
Catalogue
Peptides carried
12 peptides including Bpc 157, Cagrilintide, Hcg, Igf 1 Lr3, Ipamorelin, Pt 141, and others
Pricing and payment
Payment methods
Wire Transfer, Crypto
Shipping
Domestic
Contact vendor; 1-2 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.