Retatrutide Dosing Calculator
Vial size, bacteriostatic water, and dose — converted to insulin-syringe units, pre-loaded with Retatrutide's documented doses.
Typical dose: 2 mg, titrated to 12 mg · once weekly
Retatrutide documented dose levels
| Phase | Dose | Frequency |
|---|---|---|
| Weeks 1-4 | 2 mg | Once weekly |
| Maintenance after titration | 4-8 mg | Once weekly |
| Maintenance (highest studied) | 12 mg | Once weekly |
Retatrutide sample schedule & dose log
Laid out day by day from Retatrutide's documented dose levels. Change the regimen, dose, vial or water and every day updates — then print it, text it, email it, or add it to your calendar.
12 doses over 84 days · 72 mg total
10 mg vial + 2 mL bacteriostatic water = 5 mg/mL · units on a U-100 insulin syringe
“Weeks 1-4 (then escalate 2 mg every 4 weeks)” has no fixed length in the documentation — the first 28 days are shown.
“Maintenance after titration” has no fixed length in the documentation — the first 28 days are shown.
“Maintenance (highest studied)” has no fixed length in the documentation — the first 28 days are shown.
One dose is more than the whole vial, so vials aren't counted — use a larger vial size.
Pick a start date to add it to a calendar.
| Day | Dose | Site | Done |
|---|---|---|---|
| Week 1 | |||
| Day 1Same day each week | 2 mg40 unitsNew vial | Belly, upper left | |
| Week 2 | |||
| Day 8Same day each week | 2 mg40 units | Belly, upper right | |
| Week 3 | |||
| Day 15Same day each week | 2 mg40 units | Belly, lower left | |
| Week 4 | |||
| Day 22Same day each week | 2 mg40 units | Belly, lower right | |
| Week 5 | |||
| Day 29Same day each week | 4 mg80 unitsNew vial | Left thigh | |
| Week 6 | |||
| Day 36Same day each week | 4 mg80 units | Right thigh | |
| Week 7 | |||
| Day 43Same day each week | 4 mg80 unitsNew vial | Left upper arm | |
| Week 8 | |||
| Day 50Same day each week | 4 mg80 units | Right upper arm | |
| Week 9 | |||
| Day 57Same day each week | 12 mg240 units | Belly, upper left | |
| Week 10 | |||
| Day 64Same day each week | 12 mg240 units | Belly, upper right | |
| Week 11 | |||
| Day 71Same day each week | 12 mg240 units | Belly, lower left | |
| Week 12 | |||
| Day 78Same day each week | 12 mg240 units | Belly, lower right | |
Retatrutide dosing questions
What is a typical Retatrutide dose?
2 mg, titrated to 12 mg · once weekly
How often is Retatrutide taken?
Once weekly
Educational information only — not medical advice. Always consult a qualified healthcare provider.