Peptides Optimized Tirzepatide
Evidence Score 87/100 · 41 of 41 Tirzepatide lab reports confirmed by the issuing lab
As of October 2, 2026, Peptides Optimized lists Tirzepatide from $39. It publishes 41 Tirzepatide lab reports; 41 are confirmed in the issuing lab's own records, the newest dated September 30, 2026. Its confirmed reports cover both purity and toxicity (endotoxin or sterility) testing.
Tirzepatide lab reports confirmed by the issuing lab
- September 30, 2026Genesis Biolabspurity, identity, endotoxin, sterilityview report ↗
- September 30, 2026Genesis Biolabspurity, identity, endotoxin, sterilityview report ↗
- September 30, 2026Genesis Biolabspurity, identity, endotoxin, sterilityview report ↗
- September 30, 2026Genesis Biolabspurity, identity, endotoxin, sterilityview report ↗
- September 30, 2026Genesis Biolabspurity, identity, endotoxin, sterilityview report ↗
- September 30, 2026Genesis Biolabspurity, identity, endotoxin, sterilityview report ↗
- September 30, 2026Genesis Biolabspurity, identity, endotoxin, sterilityview report ↗
- September 30, 2026Genesis Biolabspurity, identity, endotoxin, sterilityview report ↗
- September 30, 2026Genesis Biolabspurity, identity, endotoxin, sterilityview report ↗
- September 18, 2026Genesis Biolabspurity, identity, endotoxin, sterilityview report ↗
- September 18, 2026Genesis Biolabspurity, identity, endotoxin, sterilityview report ↗
- September 18, 2026Genesis Biolabspurity, identity, endotoxin, sterilityview report ↗
- September 18, 2026Genesis Biolabspurity, identity, endotoxin, sterilityview report ↗
- September 18, 2026Genesis Biolabspurity, identity, endotoxin, sterilityview report ↗
- September 18, 2026Genesis Biolabspurity, identity, endotoxin, sterilityview report ↗
- September 16, 2026Genesis Biolabspurity, identity, endotoxin, sterilityview report ↗
- September 8, 2026Genesis Biolabspurity, identity, endotoxin, sterilityview report ↗
- September 6, 2026Genesis Biolabspurity, identity, endotoxin, sterilityview report ↗
- September 6, 2026Genesis Biolabspurity, identity, endotoxin, sterilityview report ↗
- September 6, 2026Genesis Biolabspurity, identity, endotoxin, sterilityview report ↗
- September 2, 2026Genesis Biolabspurity, identity, endotoxin, sterilityview report ↗
- August 25, 2026Genesis Biolabspurity, identity, endotoxin, sterilityview report ↗
- August 25, 2026Genesis Biolabspurity, identity, endotoxin, sterilityview report ↗
- August 25, 2026Genesis Biolabspurity, identity, endotoxin, sterilityview report ↗
- August 17, 2026Genesis Biolabspurity, identity, endotoxin, sterilityview report ↗
- May 30, 2026Genesis Biolabspurity, identity, endotoxin, sterilityview report ↗
- May 25, 2026Genesis Biolabspurity, identity, endotoxin, sterilityview report ↗
- May 24, 2026Genesis Biolabspurity, identity, endotoxin, sterilityview report ↗
- May 24, 2026Genesis Biolabspurity, identity, endotoxin, sterilityview report ↗
- May 24, 2026Genesis Biolabspurity, identity, endotoxin, sterilityview report ↗
- May 24, 2026Genesis Biolabspurity, identity, endotoxin, sterilityview report ↗
- May 24, 2026Genesis Biolabspurity, identity, endotoxin, sterilityview report ↗
- May 24, 2026Genesis Biolabspurity, identity, endotoxin, sterilityview report ↗
- May 24, 2026Genesis Biolabspurity, identity, endotoxin, sterilityview report ↗
- May 24, 2026Genesis Biolabspurity, identity, endotoxin, sterilityview report ↗
- date not printedILS Laboratorieslot TR10-J19purity, identityview report ↗
- date not printedILS Laboratorieslot TR10-L01purity, identityview report ↗
- date not printedILS Laboratorieslot TR10-260806purity, identityview report ↗
- date not printedILS Laboratorieslot TR20-J18purity, identityview report ↗
- date not printedILS Laboratorieslot TR20-260806purity, identityview report ↗
- date not printedILS Laboratorieslot TR30-L01purity, identityview report ↗
Tirzepatide price at Peptides Optimized
- From
- $39
- Best per mg
- —
- Typical per mg
- $5.00/mg
- Sizes
- —
From Peptides Optimized's own store, as of October 2, 2026; shipping and discounts not included.
Other Tirzepatide sellers with lab-confirmed reports
- Direct Peptides89/100 · 59 confirmed
- American Peptides86/100 · 26 confirmed · $4.28/mg
- Bench Grade Peptides83/100 · 2 confirmed · $3.13/mg
- MsAmino81/100 · 12 confirmed
- Peptagon76/100 · 6 confirmed · $2.91/mg
- Rejuven8 Peptides75/100 · 1 confirmed
Peptides Optimized Tirzepatide questions
Is Peptides Optimized's Tirzepatide lab tested?
Yes. As of October 2, 2026, Peptides Optimized publishes 41 Tirzepatide lab reports, and PepAssess matched 41 to the issuing lab's own records (Genesis Biolabs and ILS Laboratories). The newest confirmed report is dated September 30, 2026.
How much is Tirzepatide at Peptides Optimized?
From $39, as of October 2, 2026. Prices come from Peptides Optimized's own store and exclude shipping and discounts.
Is there a Peptides Optimized coupon code for Tirzepatide?
PepAssess has no confirmed Peptides Optimized code as of October 2, 2026.
Who else sells lab-tested Tirzepatide?
As of October 2, 2026, the highest-scoring Tirzepatide sellers with a lab-confirmed report, besides Peptides Optimized: Direct Peptides (89/100, 59 confirmed), American Peptides (86/100, 26 confirmed) and Bench Grade Peptides (83/100, 2 confirmed).