Highly Purified Peptides

At Regentide, we specialize in ultra-pure peptides, proteins, and amino acid derivatives for scientific development. Using advanced synthesis methods and rigorous testing—HPLC and Mass Spectrometry—we ensure peptides exceed 99% purity and deliver unmatched accuracy, identity, and stability for your research needs.

High-Quality Peptides

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Semaglutide injection vial, promoting weight loss, blood sugar regulation, and metabolic health. GLP-1 solutions
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Tirzepatide vs. Semaglutide vs. Retatrutide: How They Differ in Action

Tirzepatide, Semaglutide, and Retatrutide are synthetic peptide agonists utilized in molecular and pharmacological research to investigate incretin receptor-mediated signal transduction:

  • Semaglutide is a GLP-1R-selective agonist that facilitates studies on cAMP-mediated pathways, intracellular insulinotropic signaling, and receptor desensitization dynamics in endocrine model systems.

  • Tirzepatide exhibits dual agonism at GLP-1R and GIPR, supporting experimental evaluation of receptor co-activation, downstream phosphorylation cascades, and metabolic enzyme regulation in cellular assays.

  • Retatrutide targets GLP-1R, GIPR, and GCGR simultaneously, enabling research into complex receptor cross-talk, AMPK pathway activation, and mitochondrial bioenergetics under controlled in vitro and in vivo conditions.

These agents are intended solely for research use in controlled laboratory environments. Not for clinical, diagnostic, or therapeutic applications.

Semaglutide Studies

GLP-1

Tirzepatide

Tirzepatide is a synthetic peptide analog composed of dual agonist motifs targeting the GIP receptor (GIPR) and GLP-1 receptor (GLP-1R). It is structurally engineered for the study of incretin receptor signaling and receptor-ligand interactions in non-clinical research environments.

For laboratory research use only

I recently placed an order with Regentide and was thoroughly impressed by the entire experience. The process was smooth and professional from start to finish. What truly stood out was the exceptional speed of delivery my package arrived much sooner than expected. The quality of the research materials exceeded my expectations, and their customer service was prompt, knowledgeable, and supportive. Regentide has absolutely earned my confidence, and I highly recommend them to anyone seeking reliable, high-quality products and outstanding service.
James D. Fox
Customer
Regentide has been outstanding. Shipping was impressively fast, and the materials arrived in secure, professional grade packaging with excellent attention to detail. I've been working with their research products for the past 3 months and the consistency and quality have been exceptional. Everything about the experience from order to delivery has been smooth and reliable. Highly recommended
Marie Miller
Customer
Regentide's prices are killer, and the stuff is Good. Plus, they're always throwing out discounts, which is super convenient. Weekly promos? Yes, please!
Curtis Briggs
Customer

Tested by an accredited external laboratory

At Regentide Research, we prioritize the integrity and reliability of our products through rigorous laboratory testing protocols. Every product undergoes meticulous evaluation using advanced scientific methodologies to ensure safety, efficacy, and quality compliance with industry standards. Our dedicated team of researchers and quality control specialists adhere to stringent testing procedures, leaving no room for compromise. This commitment to excellence reflects our unwavering dedication to delivering only the most reliable and high-performing solutions to our valued clients.
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Express delivery

All orders are processed within 24 hours except weekend orders, Those are processed Monday. Orders placed before 1pm PST. Monday-Friday get taken to FedEx same day. We use 2 day shipping for all orders.