Comparison
Retatrutide vs Mazdutide
Triple agonist vs dual agonist: unmatched raw loss vs balanced, proven recomp.
Retatrutide
GLP-1 / GIP / Glucagon Triple Agonist
Mazdutide
GLP-1/Glucagon Dual Receptor Agonist
Effectiveness Profile
At a Glance
| Retatrutide | Mazdutide | |
|---|---|---|
| Type | Metabolic Peptide | Metabolic Peptide |
| Legal status | Research | Research |
| Half-life | ~6 days | 5–7 days |
| Preferred route | SubQ | SubQ |
| Dose frequency | weekly | weekly |
| Beginner dose | 0.5–1 mg | 1.5–3 mg |
| Intermediate dose | 2–4 mg | 3–4.5 mg |
| Advanced dose | 6–8 mg | 4.5–6 mg |
| Cycle length | 12–24 wks | 16–48 wks |
| Bioavailability | — | 85% |
| Time to peak | 48h | 48h |
| Active duration | 168h | 168h |
| Storage | Lyophilized: 2–8°C. Reconstituted: refrigerated, stable ~30 days. | 2–8°C refrigerated; protect from light. Lyophilized vials stable at room temperature short-term; reconstituted solution stable ~28 days refrigerated. |
| PCT required | No | No |
| Ancillaries required | No | No |
| Safe for women | Yes | Yes |
Verdict
Retatrutide wins for raw potency, maximum fat loss per week, and unsurpassed visceral/liver fat clearing—delivering up to 24% weight reduction with energy expenditure increases not matched by dual agonists. It also offers a broader mechanistic spectrum with GLP-1, GIP, and glucagon activity for metabolic flexibility beyond pure anorexia.
Mazdutide wins for cleaner side-effect profile, established dosing regimens from phase 3 trials (GLORY-1), greater accessibility (especially in Asian research markets), and solid real-world data for users prioritizing sustainable recomp and hepatic fat clearance without the more aggressive heart rate and GI effects often seen at peak retatrutide dosages.
Pick A or B?
Pick Retatrutide if:
- The goal is maximum, rapid weight/fat loss—especially where 15%+ reduction is desired
- There's a priority on aggressive visceral and hepatic fat clearance (post-orals, NAFLD risk, extreme cuts)
- Protocols have already plateaued on tirzepatide or mazdutide and need a stronger mechanism
- Appetite suppression alone isn't enough—higher baseline energy expenditure is needed
- Willing to manage a more intense titration and GI side effect profile for superior efficacy
Pick Mazdutide if:
- A balanced, sustainable recomp tool is preferred—14% weight loss with milder sides
- Liver fat reduction and enzyme normalization are top priorities
- Prior experience with GLP-1 mono-therapy was limited by cognitive side effects or lethargy
- Proven dosing ladders and more accessible research-grade supply are desired
- Lower risk profile is favored over bleeding-edge maximal efficacy
Where to Buy

Real Peptides
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- Retatrutide· Trinity-X™ (GLP-3RT)Buy Retatrutide
- Mazdutide· Mazdutide PeptideBuy Mazdutide