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Orforglipron Dosing Calculator

Orforglipron (LY3502970): oral non-peptide GLP-1 agonist by Eli Lilly.

Pre-filled with the most-reported clinical reconstitution protocol for Orforglipron. See how 1 mL and 2 mL of bacteriostatic water change concentration and syringe-draw volume, then adjust the calculator below for your own vial.

Quick answer · Clinical protocol

A 15 mg vial of Orforglipron reconstituted with 2 mL of bacteriostatic water yields a concentration of 7.50 mg/mL. At that concentration, a 6 mg dose of Orforglipron equals 80 units on a U-100 insulin syringe (0.800 mL). Orforglipron is typically administered once daily.

Orforglipron reconstitution: 1 mL vs 2 mL bac water

Bacteriostatic water volume is flexible. Less water means higher concentration and smaller injection volumes; more water means lower concentration and easier dose precision. Both options below are valid for a 15 mg vial.

BAC water addedConcentrationVolume per 6 mg doseDraw on U-100 syringe (units)
1 mL15.00 mg/mL0.400 mL40 units
2 mL7.50 mg/mL0.800 mL80 units
Based on a 15 mg vial of Orforglipron reconstituted with bacteriostatic water. Insulin-syringe units assume a standard U-100 syringe (100 units = 1 mL).

Calculate your Orforglipron dose

Alternative Orforglipron protocols

Beyond the default above, Orforglipron is also reported in the following protocols. Use these as starting points and recalculate with the tool above.

Type 2 Diabetes with Obesity (ATTAIN-2 trial protocol)

Clinical
Dose
Once-daily oral capsule. Doses studied: 6 mg, 12 mg, and 36 mg. 36 mg dose achieved 9.6% weight loss and 1.8% HbA1c reduction.
Frequency
Once daily oral administration
Duration
72 weeks in Phase 3 trial

Patients had baseline HbA1c of 8.1%. All doses produced significant glycemic improvement. HbA1c reductions ranged from 1.3% to 1.8% across dose groups.

Type 2 Diabetes (ACHIEVE-1 trial protocol)

Clinical
Dose
Once-daily oral capsule at 3 mg, 12 mg, or 36 mg. All doses produced significant HbA1c reductions versus placebo.
Frequency
Once daily oral administration
Duration
40 weeks in Phase 3 trial

Studied as add-on to metformin in early type 2 diabetes. HbA1c reductions were significant at all dose levels.

Orforglipron reconstitution & storage

Not applicable. Orforglipron is an oral capsule formulation that does not require reconstitution, mixing, or dilution. Capsules are taken whole by mouth.

Store at controlled room temperature. Specific storage requirements will be defined in the prescribing information upon regulatory approval. As an oral capsule, orforglipron does not require refrigeration (unlike injectable GLP-1 agonists).

Orforglipron dosing FAQ

How much bacteriostatic water should I add to a 15 mg vial of Orforglipron?

The community standard is 2 mL of bacteriostatic water for a 15 mg Orforglipron vial. That gives a concentration of 7.50 mg/mL, so a 6 mg dose is 80 units on a U-100 insulin syringe. Adding 1 mL instead doubles the concentration to 15.00 mg/mL and halves the draw to 40 units. Less water = smaller injection volume but harder to measure precisely.

How many syringe units is a 6 mg dose of Orforglipron?

On a standard U-100 insulin syringe, a 6 mg dose of Orforglipron is 80 units when the 15 mg vial is reconstituted with 2 mL of bacteriostatic water (7.50 mg/mL). If you use 1 mL of bac water instead, draw 40 units (15.00 mg/mL).

What is the standard Orforglipron dose?

Clinical protocols for Orforglipron typically use 6 mg–12 mg once daily via subcutaneous injection. 6 mg is a common starting dose. Orforglipron is taken once daily without food or water restrictions. Dose escalation from lower to higher doses is used to minimize gastrointestinal side effects. Not yet FDA-approved.

How long does a vial of Orforglipron last at 6 mg once daily?

A 15 mg vial of Orforglipron contains roughly 2 doses at 6 mg per injection. At once daily dosing, that is approximately 2 days (about 0 weeks) of supply per vial. Reconstituted Orforglipron should generally be used within 28 days when refrigerated.

Where do you inject Orforglipron?

Orforglipron is typically administered subcutaneously. Common subcutaneous sites are the lower abdomen (at least an inch from the navel), the outer thigh, and the love handles. Rotate sites with each injection to reduce localized irritation and bruising.

Can I use sterile water instead of bacteriostatic water for Orforglipron?

Bacteriostatic water (containing 0.9% benzyl alcohol as a preservative) is strongly preferred for multi-dose vials like Orforglipron because it inhibits microbial growth and lets a single vial be used over multiple weeks. Sterile water has no preservative and should generally be reserved for single-use preparations only.

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Medical Disclaimer

This website is for educational and informational purposes only. The information provided is not intended to diagnose, treat, cure, or prevent any disease. Always consult with a qualified healthcare professional before using any peptide or supplement.