Retatrutide is a triple agonist peptide that acts on GLP-1, GIP and glucagon receptors. This collection includes our Ultra-RT and SP-3RT research products.

Triple agonists are a major focus in metabolic research. For example, retatrutide is studied for how it affects appetite and energy use. Also, researchers compare it with dual agonists. Therefore, we test every batch and publish the results on our COA page.

Shop popular picks from our retatrutide range:
Ultra-RT Ultratrutide™
SP-3RT

Want more detail? Read our guide to research peptides for sale.

There are a few clear reasons to shop with us. First, we make our catalog in the USA, which keeps the supply chain short. Second, we publish test results rather than asking you to take our word for it. Third, our support team answers questions in plain language. As a result, many labs come back to us for repeat orders.

We make every batch in our retatrutide range in the USA, and an independent lab checks each one. Also, we post every certificate of analysis on our COA page, so you can confirm purity before you order. In addition, we pack each order with care and ship it from the USA.

For the best results, store each product as its page shows. For example, most freeze-dried peptides keep best in a cool, dark place, while mixed vials belong in the fridge. Also, keep capsules and strips sealed and away from moisture. Finally, our FAQ covers common questions about orders and shipping.

We sell all products in this retatrutide collection for laboratory research use only. They are not for human consumption, and they do not diagnose, treat, cure or prevent any disease. If you have questions, our team is happy to help through the contact page.