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TZ-2 (Tirz)

Rated 5.00 out of 5 based on 26 customer ratings
(26 customer reviews)

Price range: $35.00 through $115.00

High-purity dual incretin receptor agonist targeting GLP-1 and GIP pathways. USA-tested for advanced metabolic and insulin resistance research.

Certificate of Analysis 3rd-party tested · RP-HPLC purity, ESI-MS identity, Karl Fischer moisture View Lab Report
- +
≥99% Purity — COA Available
Third-Party Lab Tested & Batch Certified
Ships in 1–3 Business Days
All sales are final. Due to the nature of the product, no returns, refunds, or exchanges are accepted once an order is placed.
SKU: TZ Category:

TZ-2 — Dual Incretin Receptor Agonist Peptide

TZ-2 is a high-purity research peptide that functions as a dual incretin receptor agonist, simultaneously engaging both GLP-1 (glucagon-like peptide-1) and GIP (glucose-dependent insulinotropic polypeptide) receptors. This dual mechanism targets two key metabolic signaling pathways involved in glucose homeostasis and energy regulation.

Mechanism of Action

TZ-2 activates GLP-1 receptors to enhance glucose-dependent insulin secretion and suppress glucagon release, while simultaneously stimulating GIP receptors to amplify incretin signaling and improve beta-cell responsiveness. The dual agonism produces complementary metabolic effects: GLP-1 receptor activation slows gastric emptying and modulates appetite signaling, while GIP receptor engagement enhances the insulinotropic response and may influence lipid metabolism in adipose tissue.

Research Applications

  • Dual incretin pathway modulation studies
  • Glucose homeostasis and insulin secretion research
  • GLP-1 and GIP receptor co-activation mechanisms
  • Appetite regulation and energy balance investigations
  • Comparative studies with single-receptor agonists
  • Beta-cell function and pancreatic islet research

Product Specifications

  • Quantity: 10mg per vial
  • Purity: ≥99% (HPLC verified)
  • Form: Lyophilized powder
  • Storage: Refrigerate after reconstitution
  • Testing: USA lab tested, COA available

For research purposes only. Not for human use or consumption.

Weight .25 oz
mg

30mg, 20mg, 10mg, 40 mg, 15 mg, 60 mg

26 reviews for TZ-2 (Tirz)

    Mary Christine Weaver
    Rated 5 out of 5
    June 3, 2026
    Ally
    Rated 5 out of 5
    June 3, 2026
    Loved it!!! went into this blind but i’m glad that i did… highly recommend pepkits! best customer service and prices!!
    Tiani K.
    Rated 5 out of 5
    May 27, 2026
    Gladys
    Rated 5 out of 5
    May 26, 2026
    Amazing
    jpbpadilla
    Rated 5 out of 5
    May 25, 2026
    Everything Excellent. Quality, Shipping, Customer Service. You guys Rock!!
    Ashley Mena
    Rated 5 out of 5
    May 23, 2026
    KEMAL
    Rated 5 out of 5
    May 21, 2026
    Michael Long
    Rated 5 out of 5
    May 18, 2026
    jocelin.urbina
    Rated 5 out of 5
    May 14, 2026
    Amazing product. Super easy to order and absolutely worth every dollar. Customer service 10/10 🙏🏽 Thank you Pepkits!
    Kenandraymom
    Rated 5 out of 5
    May 14, 2026
    Products work and at a great price. Fast customer service. Thank you Pepkits!
    Tiani K.
    Rated 5 out of 5
    May 14, 2026
    Amazing quality and quick shipping!
    Sarnita Wright Pierce
    Rated 5 out of 5
    May 11, 2026
    Great product so glad it's affordable
    Barbara
    Rated 5 out of 5
    May 8, 2026
    Good product!
    Caitlyn
    Rated 5 out of 5
    May 8, 2026
    Will never go to another peptide company as long as Pepkits is here :)
    Chelsea
    Rated 5 out of 5
    May 6, 2026
    Extremely happy with your prices!
    Shelley Richmond
    Rated 5 out of 5
    May 2, 2026
    Your always amazing
    Chelsea
    Rated 5 out of 5
    May 2, 2026
    Extremely happy I found this company! Fast and professional! Great product!
    Heather Hayden
    Rated 5 out of 5
    April 29, 2026
    My third order. Excellent experience. My number one comedy for all my peptide needs.
    Anonymous
    Rated 5 out of 5
    April 22, 2026
    meowza
    Rated 5 out of 5
    April 22, 2026
    Been on it for a couple of weeks and wow..
    TZ-2 (Tirz) photo review
    toposbshop
    Rated 5 out of 5
    April 15, 2026
    Just got TZ2 for my wife the best 3 day shipping available in checkout.
    toposbshop
    Rated 5 out of 5
    April 15, 2026
    Just got TZ2 for my wife the best pepkits 3 day shipping available in checkout.
    Angela Valentine
    Rated 5 out of 5
    March 27, 2026
    Great service, came quickly, product is the best! You guys rock!
    hannah
    Rated 5 out of 5
    March 23, 2026
    Best pep website i’ve used to far. hopefully it will be back in stock soon
    Veronica Rangel
    Rated 5 out of 5
    March 21, 2026
    Love you guys! Love this product, it has helped me so much and more it’s so affordable. Products packaged so well, arrived super fast. I’m so glad I found you, I’ve ordered more stuff already. Your website is also amazing and Thank You for adding that calculator for measurements, it has been a game changer
    Rated 5 out of 5
    March 19, 2026
    Excellent product and great communication from the seller. Product came quicker than expected!
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