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Home/Peptides/Weight loss & metabolism
Weight loss hub

Peptides for weight loss & metabolism

Start with the big picture, compare GLP-1s and metabolic peptides, then go straight to dosing, results, side effects, cost, or access. Everything is grouped by the question you are trying to answer.

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Pick a peptide for its status, schedule, dosing, benefits, results, side effects, and supplier—all in one compact view.

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Retatrutide

Triple GLP-1/GIP/glucagon agonist studied for weight loss and metabolic health.

How it works
Triple agonist
Status
Phase 3 trials
How often
Weekly injection
Main focus
Weight management

Dosing

Weeks 1–42 mg weekly
Weeks 5–84 mg weekly
Weeks 9–166–8 mg weekly
Week 17+10–12 mg if tolerated
Read the dosing guide

Results

The source guide reports 24.2% average body-weight loss in Phase 2 and emphasizes slow titration because gastrointestinal effects rise with dose.

Read the results guide

Benefits

  • Targets GLP-1, GIP, and glucagon
  • Strong appetite suppression
  • Adds a fat-oxidation pathway
Read the benefits guide

Side effects

  • Nausea
  • Vomiting
  • Diarrhea
  • Constipation
Read the side-effects guide

Educational summary only. Doses shown mirror the linked article, approved labeling, or cited trial schedule; they are not a personal treatment plan.

From Ascension Peptides

Retatrutide

$175.00

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Browse all 43 Retatrutide guidesDosage, comparisons, results, safety, buying, and detailed explainers.

Overview

5 guides
What Is Retatrutide? Triple Agonist Drug Explained (2026)What Is Retatrutide? Everything You Actually Need to Know Before Trying ItRetatrutide Peptide: Triple GLP-1/GIP/Glucagon Agonist Guide (2026)Retatrutide for Genetic Obesity & GLP-1 Resistance: Is It the Next Step?What Is GLP-1? The Hormone Behind Ozempic, Mounjaro & Retatrutide Explained

Compare

12 guides
Retatrutide vs Tirzepatide: Key Differences, Results & Side Effects (2026 Data)Retatrutide vs Semaglutide: Which Weight Loss Peptide Wins in 2026?Retatrutide Reviews: Real User Results, Side Effects & Before/After (2026)UBT251 vs Retatrutide: Triple Agonist Comparison Guide (2026)Retatrutide & Type 1 Diabetes: What Researchers Are Reporting in 2026Retatrutide & Stopping Weight Regain: What the Research Shows (2026)Retatrutide vs Zepbound: Complete Weight Loss Drug ComparisonRetatrutide vs Ozempic: Which Wins for Weight Loss? (2026 Phase 3 Data)Retatrutide vs Mounjaro: Complete Comparison GuideSurvodutide: What It Is, Benefits, Dosage & How It Compares to Retatrutide (2026)GLP-1 Side Effects Compared: Retatrutide vs Tirzepatide vs Semaglutide (2026)Survodutide vs Retatrutide: Which Weight Loss Drug Is Better?

Dosage & protocols

7 guides
Retatrutide Dosage Guide: Weekly Dosing Schedule & Chart (2026)Microdosing Retatrutide: Schedules, P/T Ratios & Dosage Guide (2026)Retatrutide + MOTS-c Stack Guide: Dosing, Synergy & Results (2026)Retatrutide Losing Too Much Weight: When to Cut Your DoseHow to Reconstitute Retatrutide: Step-by-Step Guide + CalculatorRetatrutide Dosing Guide 2026: 2mg to 12mg Protocol, Half-Life & CalculatorRetatrutide Dosage Chart: Week-by-Week Guide for Every Phase

Results

6 guides
Retatrutide Phase 3 Results: 28.3% Weight Loss in TRIUMPH-1 (2026)Reta Peptide (Retatrutide): What It Is, How It Works, and Weight Loss Results (2026)Retatrutide Before and After: Real Results from the Community (2026)Retatrutide TRIUMPH-4 Trial Results: What the Weight Loss Data MeansIs Retatrutide FDA Approved? Approval Date, Trial Timeline & What to ExpectHow Long Does Retatrutide Take to Work? Timeline & Results Guide (2026)

Safety

5 guides
Stopping Retatrutide: Retatrutide Discontinuation GuideRetatrutide Side Effects: Complete List, Frequency Data & How to Manage Them (2026)Retatrutide: Bodybuilding, Nausea, Muscle Loss, Hair Loss & Plateau (2026)Retatrutide Heart Rate Increase: Side Effects, Causes & What to ExpectRetatrutide and Cagrilintide (RetaCagri) Stack: Dosing, Benefits & Side Effects (2026)

Where to buy

8 guides
Where to Buy Retatrutide in 2026: Best Vendors & Price GuideHow to Get Retatrutide in 2026: Every Route Explained (Compounding Pharmacy, Clinical Trial & Telehealth)Retatrutide Cost & Price: How Much Does It Actually Run in 2026?Retatrutide Where to Buy: 4 Safe Options in 2026Retatrutide vs Mounjaro: Which Is More Effective for Weight Loss in 2026?Retatrutide How to Get: Your Complete Guide to Accessing This Weight Loss DrugRetatrutide for Sale: Vial Sizes, Pricing, and Verified Vendors (2026)FDA Cracks Down on Compounded GLP-1s: Where to Buy in 2026
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Peptides for Weight Loss: The 7 Best Options (2026 Evidence-Based Ranking)

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Dosage & protocols

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