GLP2 Reconstitution Calculator
Enter the amount you want to measure. The vial buttons will highlight which vial strengths create cleaner syringe-unit measurements.
What amount do you need?
Type the target amount, then choose mg or mcg. Example: 2mg or 500mcg.
Work the dose out from body weight
Syringe size:
Possible vial strengths:
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Example GLP2 Titration Schedule
| Indication | Dose | Frequency |
|---|---|---|
| Short bowel syndrome | 0.05 mg/kg | 1× daily (SC) |
GLP-2 agonists treat short bowel syndrome, not weight loss. FDA-approved (Gattex): fixed weight-based daily dose, no titration, no cycling. Renal impairment: reduce to 0.025 mg/kg.
Possible vial strengths:
What Is It?
GLP2
GLP-2 analogue studied for intestinal repair.
Bacteriostatic Water
Sterile water containing a bacteriostatic preservative, commonly used when preparing multi-use research vials.
How To Mix GLP2
1
CleanUse alcohol swabs to clean the tops of both vials.
2
Draw BAC WaterDraw the selected amount of bacteriostatic water.
3
Inject SlowlyAdd the liquid slowly down the side of the vial.
4
Swirl GentlyDo not shake. Swirl gently until dissolved.
5
Store ProperlyStore as directed and protect from heat and light.
Best Practices & Common Mistakes
Best Practices
- Use sterile technique.
- Protect from light and heat.
- Store refrigerated when appropriate.
- Use clean syringe-unit math before measuring.
Common Mistakes
- Confusing milligrams with milliliters.
- Choosing an option with awkward decimal units.
- Using too little liquid for very small measurements.
- Shaking the vial aggressively.
GLP2 Storage & Handling
Lyophilized Powder: −20°C (−4°F) for long-term storage (up to 24 months). Refrigeration 2–8°C (36–46°F) for short-term use (up to ~3 months). Original sealed vial in the freezer is safest.
Reconstituted Solution: 2–8°C (36–46°F), use within ~7–14 days. Keep sealed, avoid light, and do not repeat freeze-thaw cycles.
Reconstituted Solution: 2–8°C (36–46°F), use within ~7–14 days. Keep sealed, avoid light, and do not repeat freeze-thaw cycles.
Frequently Asked Questions
GLP-2 is a gut hormone, separate from GLP-1. Its approved drug is teduglutide (Gattex/Revestive), used for short bowel syndrome — a condition where the intestine can't absorb enough nutrients. It is not a weight-loss compound.
No — and this is a common mix-up. GLP-2 (teduglutide) actually increases nutrient absorption in the gut, the opposite of what a weight-loss drug does. The weight and diabetes drugs people are thinking of are all GLP-1 based: semaglutide, tirzepatide, retatrutide.
Both come from the same parent molecule but do different jobs. GLP-1 lowers blood sugar and appetite — the basis of today's weight-loss drugs. GLP-2 promotes growth and absorption in the intestinal lining, which is why its drug treats short bowel syndrome, not obesity.
Yes, effectively. "GLP-2TZ" (also GLP-2T or GLP2-T) isn't an official name — it's an informal label some sellers use for tirzepatide, the GLP-1/GIP dual agonist sold as Mounjaro and Zepbound. It has nothing to do with the GLP-2 hormone. Check the Certificate of Analysis to confirm the actual compound.
No. Tirzepatide acts on GLP-1 and GIP receptors — there's no GLP-2 involved, despite the "GLP-2TZ" nickname. While clearing this up: "GLP-3" isn't a real class either — it's an informal term for retatrutide, the triple GLP-1/GIP/glucagon agonist. Only GLP-1-based drugs are the weight-loss compounds.
Practical takeaway: If your goal involves weight management, metabolic health, recovery, physical performance, cognitive function, appearance, or general well-being, discuss it with a licensed healthcare professional. They can help you evaluate approved, evidence-based options rather than relying on an unapproved or investigational compound. This calculator is intended only for transparent research-reference calculations and does not determine an appropriate amount, recommend use, or replace professional medical guidance.
Important: This tool is for informational and research-reference purposes only. Not intended for human or veterinary use.