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Everything you need to know about Retatrutide dosing — protocols, safety, and where to buy.
Dose Range
1,000–12,000 mcg (1–12 mg) per week
Frequency
Once weekly subcutaneous injection
Cycle Length
Ongoing; dose escalation over 24+ weeks
Half-Life
~6 days
Calculate syringe units instantly
Syringe Draw
10.0 units
2500 mcg/ml · 0.100 ml draw
Contraindications
Personal or family history of MTC. MEN 2. Pancreatitis history. Severe GI disease. Pregnancy or breastfeeding. Type 1 diabetes.
NOT YET FDA-APPROVED — currently in Phase III trials (expected 2025–2026). Phase II data showed up to 24.2% body weight loss at 48 weeks — the highest ever recorded. The glucagon component adds thermogenesis but may require monitoring of blood glucose.
Where to Buy Retatrutide
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The typical dose range for Retatrutide is 1,000–12,000 mcg (1–12 mg) per week. It is usually administered Once weekly subcutaneous injection. Always start with the lowest effective dose.
Once weekly subcutaneous injection
Yes, typical cycle length is Ongoing; dose escalation over 24+ weeks.
Similar GI side effects to semaglutide: nausea, vomiting, diarrhea, constipation, decreased appetite. Additional: increased heart rate, injection site reactions, fatigue. Thyroid concerns (preclinical).
Compare 8 listings from 4 vendors on our price comparison page — starting from $65.00.