Guides
Plain-English research guides from Friday in Bangkok: what each compound is, what the published research studied, and how research peptides are supplied, tested and stored in Thailand. Research use only.
- Tirzepatide in ThailandWhat tirzepatide is, what the published trials studied, and how Friday supplies it as research material.Read the guide
- Retatrutide in ThailandThe triple-agonist peptide, what its trials have studied so far, and how Friday supplies it for research.Read the guide
- Tirzepatide vs Mounjaro: what's the difference?One is a molecule, the other is a licensed prescription medicine. Here is what separates them, and what Friday does and does not sell.Read the guide
- Retatrutide vs tirzepatideTwo related peptides, two receptor profiles. How the dual agonist and the triple agonist compare in mechanism, trials and status.Read the guide
- GHK-Cu, the copper peptideA small copper-binding tripeptide with fifty years of research behind it, most of it in skin and collagen models.Read the guide
- Buying peptides in ThailandA practical checklist for English-speaking buyers in Thailand: what to check before you order, and how ordering from Friday works.Read the guide
Looking for a compound? Shop all research peptides, or see what each one is studied for on the science page.
Mounjaro and Zepbound are trademarks of Eli Lilly and Company. Ozempic and Wegovy are trademarks of Novo Nordisk A/S. Friday is not affiliated with, endorsed by or connected to either company. These names are used only to identify the products discussed.