Why is tirzepatide also labeled GLP-2 TZ? +
GLP-2 TZ is the Next Level Labs catalog name for this tirzepatide research product. The listing is a 10mg lyophilized vial. The product page, selected cart item and vial label should identify the same product and amount.
How do I distinguish GLP-2 TZ from GLP-3 RT when ordering? +
GLP-2 TZ identifies the tirzepatide listing. GLP-3 RT identifies the separate retatrutide listing. Check the full name and vial size in the cart before placing a laboratory research order.
Is Tirzepatide for human use? +
No. Tirzepatide is a research compound for in vitro laboratory use only. It is not a drug, food or supplement, and it is not approved by the FDA for human or veterinary use.
How should Tirzepatide be stored? +
Store the vial lyophilized, sealed and protected from light. No cold chain is required for shipping.
How fast does Tirzepatide ship? +
Orders paid before 5pm ET on a business day dispatch the same day, tracked and discreetly packaged. After 5pm, or at a weekend, they go out the next business day.
How much does Tirzepatide cost? +
GLP-2 TZ (tirzepatide) costs $79.99 per 10mg vial before discounts and shipping. No membership or subscription is required. UPS 2-Day Air is $9.99, free on qualifying orders of $200 or more. For in vitro laboratory research only.
Where can I buy Tirzepatide in the USA? +
Next Level Labs ships Tirzepatide direct from the United States. Orders paid before 5pm ET on a business day dispatch the same day, tracked and in plain unbranded packaging. Continental US only. There is no walk-in or retail location, so orders are placed on this page.
Is Next Level Labs a legit place to buy Tirzepatide? +
Every Tirzepatide lot is tested by an independent ISO/IEC 17025 laboratory and the signed certificate of analysis is published before you order. Match the lot number printed on your vial to the report on the lab reports page. If the lot on the glass is not published there, do not use it.
Is Tirzepatide third-party tested? +
Yes. Every Tirzepatide lot runs a 7-point QC panel at an independent third-party US lab: identity, purity by HPLC, quantity, sterility, endotoxins by LAL, heavy metals by ICP-MS and a fentanyl screen, at 99.72% purity. The signed certificate for the exact lot you receive is published before you order. The signed certificate of analysis for the exact lot you receive is published on the lab reports page and available before you order.
How do I verify my Tirzepatide is legit? +
Match the lot number printed on your vial to the certificate of analysis published on the Next Level Labs lab reports page. It names the lab, batch, purity, and identity confirmation for that exact lot, so a real report always maps to your specific vial.
