Retatrutide 40mg

Triple GLP-1 / GIP / glucagon agonist

Vial40 mg

Mix2 mL

Concentration20 mg/mL

Each 10 units2 mg

Vial lastsLasts approximately 12 weeks

Injection sites

Subcutaneous peptide injection areas: abdomen, thighs, needle bevel orientation, insertion angle and the injection steps

Dosing protocol

Injection frequency Inject once weekly

Injection time In the evening, before bed It stays in the body for days, so the hour is not critical — but injecting in the evening lets you sleep through the first day's nausea. Keep to the same day each week.

Injection site Abdomen Subcutaneous, about 5 cm from the navel. Rotate the spot each time.

Stage	Syringe units	Actual dose
Weeks 1–2	10 units	2 mg
Weeks 3–7	15 units	3 mg
Weeks 8–12	20 units	4 mg

Units refer to a U-100 insulin syringe, where 100 units = 1 mL. The actual dose is derived from the vial concentration after reconstitution.

Dose calculator for this vial

Converts between milligrams and U-100 insulin-syringe units. Change the water volume to see how the unit count shifts.

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More in this category — Metabolic

Disclaimer: This site is for informational and educational purposes only and is not medical advice, diagnosis, or a treatment recommendation. Some compounds described here are sold for research use only and are not approved for human use. Consult a qualified physician before any use.