For Laboratory Research Use Only · Not for Human or Veterinary Use · 21+
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Tirzepatide vial

Best Peptides for Weight Loss·Injection

Tirzepatide

Dual GLP-1 and GIP agonist for superior fat loss.

Size

$249.99/ 10 mg vial
View Tirzepatide lab results & testing

For Research Use Only

Tirzepatide is sold strictly for in-vitro laboratory research. Not for human or veterinary use, diagnosis, treatment, cure, or prevention of any disease. Not FDA-approved as a therapeutic. Must be 21+ and a qualified researcher to purchase. See our Disclaimer and Research Use Agreement.

Purity
≥ 99.2% HPLC
Format
Injection
Half-life
5 days
Dose
2.5–15 mg weekly
Mechanism
Dual GLP-1 + GIP receptor agonist

About Tirzepatide

Tirzepatide is a 39-amino-acid dual GLP-1 and GIP receptor agonist that produced 22.5% weight loss at 72 weeks in SURMOUNT-1. Reduces liver fat by 47% over 72 weeks in the substudy.

Reported benefits

  • Drives 22.5% weight loss at 72 weeks (SURMOUNT-1)
  • Reduces hepatic fat by 47% over 72 weeks
  • Preserves lean mass better than mono-agonists

Research citations

  • Jastreboff et al. 2022 - NEJM (SURMOUNT-1)
  • Gastaldelli et al. 2023 - Lancet Diabetes

How Tirzepatide fits the category

Tirzepatide sits inside the Best Peptides for Weight Loss category. For the full ranking and head-to-head comparisons, read Best Peptides for Weight Loss.