GLP-1SG vs GLP-2TZ
GLP-1SG 15 mg is $54.99. GLP-2TZ 15 mg is $64.99. Buy one, get one 50% off. GLP-1 receptor models versus dual GIP and GLP-1 models. 21+. Research only.
15 mgGLP-1SG 15 mg
GLP-1SG is studied in laboratory models of GLP-1 receptor pharmacology, incretin signaling, and metabolic pathways.
Open research guide →
15 mgGLP-2TZ 15 mg
GLP-2TZ is studied in dual GIP and GLP-1 receptor pharmacology, incretin signaling, and metabolic pathway models.
Open research guide →Buy one, get one 50% off on these listings. Rewards still apply. Blue Collar Gear is not included.
One receptor family versus two
GLP-1SG 15 mg is the catalog name. Literature searches may also use semaglutide. It is studied in GLP-1 receptor pharmacology and incretin models. GLP-2TZ 15 mg is studied in dual GIP and GLP-1 receptor models.
Same labeled amount, 15 mg, does not make them the same peptide. A GLP-1-only experiment does not answer a dual-agonist question, and the reverse is also true.
Read the units on the COA before you compare numbers
GLP-1SG task 155227, batch Sema-15, analysis May 27, 2026, prints 15.23% and purity 99.262%. The 15.23% figure is what the report prints. Do not convert it into milligrams.
GLP-2TZ task 171262, batch Tirz-15, analysis June 23, 2026, prints 17.37 mg and purity 99.685%. A percent on one report and a milligram result on the other are not the same kind of number. Compare them only after you have read each method.
Price on this catalog
GLP-1SG 15 mg is $54.99. GLP-2TZ 15 mg is $64.99. Buy one, get one 50% off. GLP-RT3 is the third material in this set if you need the glucagon-receptor comparison as well.
This page is laboratory education for adults 21 and older. It is not a dosing guide, a treatment plan, or a ranking of which material to use. Not for human or veterinary use.
References and further reading
- PubMed literature index — GLP-1SG 15 mg ↗
A continuously updated index of peer-reviewed biomedical literature. Study quality, model, and relevance must be assessed individually.
- PubMed literature index — GLP-2TZ 15 mg ↗
A continuously updated index of peer-reviewed biomedical literature. Study quality, model, and relevance must be assessed individually.
- FDA — Analytical Procedures and Methods Validation ↗
Regulatory guidance on analytical method development and validation.
- ICH Q2(R2) — Validation of Analytical Procedures ↗
International guidance on specificity, accuracy, precision, range, and robustness.
External links are provided for independent literature review. A link does not imply that every indexed paper supports the same conclusion or that findings apply beyond the model and conditions studied.