Peptide Vendor Scams: 8 Red Flags + COA Checklist (2026)
Fake COAs, bait-and-switch vendors, dropshipped vials — know the signs. A 6-step COA verification checklist from third-party test data.
-
-
Can You Trust Online Peptide Vendors? How to Tell
Not all peptide vendors are trustworthy. Here’s how to spot the red flags and find vendors you can trust.
-
Why Is Tirzepatide So Expensive? And What Are the Alternatives?
Mounjaro costs over $1,000/month. Here’s why tirzepatide is so expensive and what researchers should know about this peptide compound.
-
Tired of Expensive Weight Loss Injections That Don’t Work?
Spending hundreds a month on weight loss injections with no results? Here’s why — and what the alternatives are.
-
GLP-1 Peptides for Weight Loss: Semaglutide vs Ozempic vs Research Peptides
Ozempic, Wegovy, and Mounjaro are brand names — not molecules. Learn how semaglutide, tirzepatide, and retatrutide actually work and what separates quality research-grade peptides from the rest.
-
Why Your Peptides Might Not Be Working (And How to Fix It)
Peptides not giving results? The 5 most common reasons peptides fail — low purity, wrong reconstitution, poor storage, dosing errors, and unrealistic timelines — plus how to fix each one.
-
What to Do When Your Peptide Vendor Shuts Down
Your peptide vendor just shut down. Here’s a step-by-step plan to find a reliable replacement.
-
How to Know If Your Peptides Are Real
How to tell if your peptides are genuine — visual checks, COA verification, and what HPLC testing actually shows.
-
Peptides and Customs: International Shipping FAQ
Will your peptides get through customs? Country-by-country guide to international peptide shipping, customs clearance rates, and NorthPeptide’s reship guarantee for seized orders.
-
Peptides vs Ozempic: Cost, Access, and What Nobody Tells You
Ozempic costs $900+/month and is constantly backordered. Here’s what GLP-1 peptides actually are, how they work, and what researchers should know about the compounds behind the brand names.