Overview
What it is.
Tirzepatide acts on two gut-hormone pathways — GLP-1 and GIP — involved in appetite and blood-sugar regulation, and is one of the most closely studied dual-agonist compounds in current metabolic research.
Research Areas
- Studied for its role in appetite regulation via dual hormone pathways
- Studied for its role in body-composition research alongside nutrition and training variables
- Studied for its role in blood-sugar regulation
Batch & Testing
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Research Deep-Dive
How it works.
Research Deep-Dive
How it works.
Tirzepatide is a dual GLP-1/GIP receptor agonist — it activates two separate gut-hormone pathways involved in appetite and blood sugar regulation, rather than just one. It's the active ingredient in the branded medications Mounjaro and Zepbound.
By activating both the GLP-1 and GIP receptors, tirzepatide combines the appetite-suppressing and insulin-supporting effects of GLP-1 agonism with GIP's separate role in fat metabolism and insulin sensitivity — a dual mechanism researchers believe explains its larger average effect sizes compared with single-pathway GLP-1 medications.
Use Cases Explored
- Programs built around appetite regulation via a dual-hormone mechanism
- Structured weight-management plans paired with nutrition and activity coaching
- Blood-sugar management protocols in type 2 diabetes care
- Maintenance-phase protocols after an initial weight-loss period
The Evidence
SURMOUNT-1 (Phase 3, 2,539 participants)
Average weight loss reached 16.0% on 5 mg, 21.4% on 10 mg, and 22.5% on 15 mg at roughly 72 weeks, versus 2.4% on placebo — with 96% of participants on the higher doses achieving at least 5% weight loss.
SURMOUNT-5 head-to-head trial vs. semaglutide
In a direct comparison, tirzepatide produced greater average weight loss than semaglutide at 72 weeks (-20.2% vs -13.7%) — one of the few head-to-head trials in this drug class.
SURMOUNT-4 maintenance trial
Participants who stopped tirzepatide after an initial 36-week response regained significant weight compared with those who continued treatment, reinforcing that effects require ongoing use, not a one-time course.
Specifications
The essentials.
Specifications
The essentials.
- Form
- Lyophilized powder
- Storage
- Store in a cool, dry place. Refrigerate at 2–8°C after reconstitution
- Shelf life
- 24 months lyophilized; 4–6 weeks refrigerated after reconstitution
- Solubility
- Reconstitute with bacteriostatic water
- Vial capacity
- 3 ml glass vial
Questions
Tirzepatide FAQ
Questions
Tirzepatide FAQ
What is Tirzepatide studied for?+
Tirzepatide is studied as a dual GLP-1/GIP receptor agonist, examined for its combined action on appetite regulation and blood-sugar-related pathways relative to single-pathway incretin compounds.
Why does Tirzepatide come in sizes up to 60 mg?+
Dual-agonist research protocols often run across a wide characterized dose range, and larger vials reduce reconstitution frequency and per-mg cost for extended research runs — the pricing scales down accordingly at larger sizes.
How should Tirzepatide be handled and stored?+
It ships as a lyophilized powder. Reconstitute with bacteriostatic water and refrigerate at 2–8°C after mixing — good for roughly 4–6 weeks refrigerated, or up to 24 months unreconstituted in a cool, dry place.
What testing does this batch undergo?+
Every batch is HPLC tested for purity and identity, plus sterility and endotoxin screening, before release. The Certificate of Analysis for that lot ships with your order.
Metabolic
Tirzepatide
GLP-1/GIP
A dual GLP-1/GIP receptor agonist studied for appetite and metabolic-pathway research.
Size
Multi-vial pricing
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All products sold by One Tap Peptides are intended for laboratory research use only. Not for human consumption. Not intended for animal use. Not intended for diagnostic or therapeutic purposes.
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