Retatrutide vs AOD-9604

A comprehensive, data-driven comparison of Retatrutide (LY3437943) and AOD-9604 (Advanced Obesity Drug). Compare efficacy, side effects, costs, FDA approval status, and clinical evidence to make an informed decision.

Retatrutide
Phase 3 (NDA expected late 2026)
Obesity and weight management
Evidence
High
Avg. Weight Loss28.7%
Monthly Cost$1,200 - $1,500/mo
DosingWeekly
ManufacturerEli Lilly
AOD-9604
Phase 2 (failed; reclassification pending)
Fat loss and metabolism enhancement
Evidence
Low
Monthly Cost$30 - $60/mo
DosingDaily

Side-by-Side Comparison

PropertyRetatrutide
LY3437943
AOD-9604
Advanced Obesity Drug, Tyr-hGH Fragment 176-191
FDA Status
Phase 3 (NDA expected late 2026)
Phase 2 (failed; reclassification pending)
Category
Weight Loss
Weight Loss
Primary Use
Obesity and weight management
Fat loss and metabolism enhancement
Weight Loss %
28.7%
N/A
Monthly Cost
$1,200 - $1,500/mo
$30 - $60/mo
Administration
Subcutaneous injection
Subcutaneous injection
Typical Dose
12mg weekly (dose escalated from 2mg)
300mcg daily
Frequency
Weekly
Daily
Mechanism

Triple agonist targeting GIP, GLP-1, and glucagon receptors to enhance insulin secretion, reduce appetite, and increase energy expenditure

Modified fragment of human growth hormone (amino acids 176-191) that stimulates lipolysis without affecting blood sugar or IGF-1

Common Side Effects
  • Nausea
  • Diarrhea
  • Vomiting
  • Constipation
  • +3 more
  • Injection site reactions
  • Headache
  • Chest tightness (rare)
Serious Side Effects
  • Pancreatitis
  • Gallbladder disease
  • Severe gastrointestinal reactions
  • Hypoglycemia (if combined with insulin)
  • Unknown long-term effects
  • Potential interactions with growth hormone pathways
Evidence Quality
High
Low
Clinical Trial Phase
Phase 3
Phase 2

Key Differences

  • 1Retatrutide has clinical weight loss data (28.7%), while AOD-9604 is not primarily indicated for weight loss.
  • 2AOD-9604 is generally more affordable ($30 - $60/mo) compared to Retatrutide ($1,200 - $1,500/mo).
  • 3Retatrutide is dosed weekly, while AOD-9604 is daily.
  • 4Retatrutide has high-quality evidence, while AOD-9604 has low-quality evidence.

Which Is Better For...

AO

AOD-9604

More budget-friendly option with lower monthly costs

RE

Retatrutide

More convenient dosing schedule (weekly)

AO

AOD-9604

Fewer commonly reported side effects

RE

Retatrutide

Stronger clinical evidence base to support its use

Cost Comparison

PeptideMonthly Cost RangeFDA StatusManufacturer
Retatrutide$1,200 - $1,500/mo
Phase 3 (NDA expected late 2026)
Eli Lilly
AOD-9604$30 - $60/mo
Phase 2 (failed; reclassification pending)
Various research labs

Prices are estimated monthly costs and may vary based on pharmacy, insurance coverage, and manufacturer assistance programs. Costs for non-FDA-approved peptides reflect research compound pricing.

Frequently Asked Questions

What is the main difference between Retatrutide and AOD-9604?

Retatrutide works via Triple agonist targeting GIP, GLP-1, and glucagon receptors to enhance insulin secretion,. AOD-9604 works via Modified fragment of human growth hormone (amino acids 176-191) that stimulates lipolysis. They differ in FDA approval status, efficacy data, and cost.

Which is more effective for weight loss, Retatrutide or AOD-9604?

Retatrutide has demonstrated 28.7% average weight loss in clinical trials. AOD-9604 is not primarily used for weight loss.

How much does Retatrutide cost compared to AOD-9604?

Retatrutide typically costs $1,200 - $1,500/mo, while AOD-9604 costs $30 - $60/mo. Prices may vary by pharmacy, insurance coverage, and manufacturer programs.

Are Retatrutide and AOD-9604 FDA approved?

Retatrutide is not FDA-approved (Phase 3 (NDA expected late 2026)). AOD-9604 is not FDA-approved (Phase 2 (failed; reclassification pending)). FDA approval indicates the treatment has met rigorous safety and efficacy standards.

What are the side effects of Retatrutide vs AOD-9604?

Common side effects of Retatrutide include Nausea, Diarrhea, Vomiting. Common side effects of AOD-9604 include Injection site reactions, Headache, Chest tightness (rare). Always consult a healthcare provider about potential side effects.

Can I switch from Retatrutide to AOD-9604?

Switching between peptide therapies should only be done under the guidance of a qualified healthcare provider. They can evaluate your medical history, current response, and determine the safest transition protocol.

Learn More

Retatrutide Full Profile
Obesity and weight management

Retatrutide is a novel triple-receptor agonist developed by Eli Lilly currently in Phase 3 clinical trials. It has demonstrated unprecedented weight loss results, with patients losing an average of 28...

View Full Retatrutide Guide
AOD-9604 Full Profile
Fat loss and metabolism enhancement

AOD-9604 is a modified peptide fragment of the C-terminus of human growth hormone (amino acids 176-191). It was designed to retain the fat-burning properties of HGH while avoiding effects on blood sug...

View Full AOD-9604 Guide

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Medical Disclaimer

The information provided on this page is for educational and informational purposes only and does not constitute medical advice. This comparison between Retatrutide and AOD-9604 should not be used as a substitute for professional medical guidance. Always consult a qualified healthcare provider before starting, stopping, or modifying any peptide therapy. Clinical data cited may be from ongoing trials and is subject to change. Individual results may vary significantly. PeptideVS does not endorse, recommend, or promote the use of any specific peptide for medical treatment.