GLP-1 / Metabolic
Retatrutide
Triple agonist (GLP-1 / GIP / glucagon) — Phase 3 obesity candidate showing >24% weight loss.
Educational only. Not medical advice. Dosages listed reflect what is commonly reported in research and user communities — consult a licensed physician before self-administering.
Typical dose
2 mg weekly, titrating up to 8–12 mg weekly
Route
Subcutaneous
Half-life
~6 days
Cycle
Under study
What it does
- Highest weight loss of any peptide in trials to date
- Improved insulin sensitivity
- Reduced hepatic fat
Honest limitations
- Not yet FDA approved — investigational drug
- Long-term safety unknown
- GI side effects common
Reconstitution example
Vial size
10 mg
BAC water
2 ml
Concentration
5.00 mg/ml
To dose 2 mg, draw 40 units on a U-100 insulin syringe.
Open the calculator with your own numbers →Injection
Route
Subcutaneous
Needle
29–31g insulin syringe
Timing
Same day each week
Stacking
Do not stack with other GLP-1 agonists.
Side effects
- Nausea, vomiting, diarrhea
- Increased heart rate
- Fatigue
Contraindications
- MTC/MEN2 history
- Pancreatitis history
- Pregnancy
Retatrutide protocol PDF — $9
Printable Retatrutide protocol card: dosing tables, reconstitution math, cycle length, and reference literature. Instant PDF download.
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Where to buy
Vendors we've reviewed that publish third-party certificates of analysis.
Buy Retatrutide at Rebirth Labs →