PepAssess

Northwest Peptides Retatrutide

Evidence Score 83/100 · 6 of 6 Retatrutide lab reports confirmed by the issuing lab

As of October 2, 2026, Northwest Peptides lists Retatrutide in 10, 15, 20, 30, 50 mg from $110. It publishes 6 Retatrutide lab reports; 6 are confirmed in the issuing lab's own records, the newest dated June 5, 2026. Its confirmed reports cover both purity and toxicity (endotoxin or sterility) testing.

Retatrutide lab reports confirmed by the issuing lab

  • June 5, 2026ILS Laboratorieslot RT60-20260528purity, identity, endotoxin, sterilityview report ↗
  • May 31, 2026Freedom Diagnosticspurity, identity, endotoxinview report ↗
  • May 19, 2026Freedom Diagnosticslot RT50-20260508purity, identityview report ↗
  • January 28, 2026Freedom Diagnosticspurity, identityview report ↗
  • December 29, 2025BioRegenlot RT50-20251019purity, identityview report ↗
  • date not printedILS Laboratorieslot RT10-20260525purity, identity, endotoxin, sterilityview report ↗

Retatrutide price at Northwest Peptides

From
$110
Best per mg
—
Typical per mg
$6.00/mg
Sizes
10, 15, 20, 30, 50, 60 mg

From Northwest Peptides's own store, as of October 2, 2026; shipping and discounts not included.

Other Retatrutide sellers with lab-confirmed reports

Northwest Peptides Retatrutide questions

Is Northwest Peptides's Retatrutide lab tested?

Yes. As of October 2, 2026, Northwest Peptides publishes 6 Retatrutide lab reports, and PepAssess matched 6 to the issuing lab's own records (ILS Laboratories, Freedom Diagnostics and BioRegen). The newest confirmed report is dated June 5, 2026.

How much is Retatrutide at Northwest Peptides?

From $110 (10, 15, 20, 30, 50 mg), as of October 2, 2026. Prices come from Northwest Peptides's own store and exclude shipping and discounts.

Is there a Northwest Peptides coupon code for Retatrutide?

PepAssess has no confirmed Northwest Peptides code as of October 2, 2026.

Who else sells lab-tested Retatrutide?

As of October 2, 2026, the highest-scoring Retatrutide sellers with a lab-confirmed report, besides Northwest Peptides: Direct Peptides (89/100, 113 confirmed), Platinum Lion (87/100, 6 confirmed) and Peptides Optimized (87/100, 87 confirmed).