99%+ purity · USA shipping
GLP-1 / Incretin Class Analogs
Research-grade lyophilized peptides. Third-party tested, COA available on request, shipped within 24 hours from our USA facility.
Incretin receptor agonists are peptides studied for their interaction with the GLP-1, GIP, and glucagon receptor systems in metabolic research. This category collects research-grade incretin compounds including semaglutide, tirzepatide, and retatrutide analogs, each supplied at 99%+ purity with a batch-specific Certificate of Analysis. For laboratory research use only.
Working out dilutions before you order? Use the free peptide reconstitution calculator to convert any vial mass and diluent volume into concentration, draw volume and U-100 syringe graduations.
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In stock 24 h shipSale!
Retatrutide
Price range: $79.99 through $219.99Available in 10 mg / 20 mg / 30 mg / 40 mgSelect options This product has multiple variants. The options may be chosen on the product page -
In stock 24 h shipSale!
Tirzepatide
Price range: $54.99 through $259.99Available in 10 mg / 20 mg / 30 mg / 40 mg +1 moreSelect options This product has multiple variants. The options may be chosen on the product page -
In stock 24 h shipSale!
Semaglutide
Price range: $39.99 through $89.99Available in 10 mg / 20 mg / 30 mgSelect options This product has multiple variants. The options may be chosen on the product page
About GLP-1 / Incretin Class Analogs
GLP-1 and incretin-class analogs are among the most analytically demanding peptides in a research catalog. Their length, secondary structure and susceptibility to deamidation mean identity and purity documentation matter more here than in almost any other class.
What this category covers
This class covers incretin-receptor-targeting sequences studied in metabolic research models. Compounds in this category are typically supplied as lyophilised powder and characterised by reversed-phase HPLC for purity alongside LC-MS for mass confirmation.
How these are tested
Every lot in this category ships with a batch-specific certificate of analysis reporting purity by peak area, identity by mass confirmation, net peptide content and endotoxin screening. Because longer sequences are more prone to closely-eluting related substances, chromatographic resolution matters: review the chromatogram, not only the headline purity figure.
How to compare within this class
When comparing compounds in this class, evaluate sequence length, stated molecular weight, salt form, and whether the reported purity was determined by area percent at a stated wavelength. Two lots reporting the same purity number may differ materially if measured under different chromatographic conditions.
Research Use Only. All compounds listed are supplied strictly for in-vitro laboratory research and are not intended for human or veterinary use, diagnosis, treatment, or prevention of any condition.