AOD-9604 vs Tirzepatide
Which should you choose? Here's what you need to know.
The short answer
Tirzepatide is FDA-approved with strong clinical evidence for major weight loss. AOD-9604 is a GH fragment that showed promise in the lab but failed to prove effective in large human trials.
On 9 Oct 2026 Peptide Compare tracked 53 vendors selling AOD-9604, cheapest in stock $5.00 per mg at LA Peptides, and 30 selling Tirzepatide, cheapest $1.76 per mg at Modern Research.
AOD-9604
Weight Loss (GLP-1)AOD-9604 is a synthetic fragment of growth hormone (amino acids 177-191) studied for stimulating fat breakdown. It has a safe side effect profile but its largest trial didn't achieve significant weight loss.
Choose AOD-9604 if:
You specifically want a fat metabolism approach without appetite suppression or GI side effects, and accept the weaker evidence.
Tirzepatide
Weight Loss (GLP-1)Tirzepatide (Mounjaro/Zepbound) is a dual GIP/GLP-1 agonist with FDA approval and clinical data showing up to 22.5% body weight reduction over 72 weeks.
Choose Tirzepatide if:
You want clinically proven, FDA-approved weight loss backed by robust trial data.
Price & availability
Once you've decided which peptide fits your needs, here's how they compare on price and vendor options. Prices verified Oct 9, 2026.
AOD-9604
Tirzepatide
$25.00
Starting from
$30.95
$10.31
Avg. price per mg
$9.04
53
Vendors selling it
30
46 options
In stock now
100 options
9.1/10
Top trust score
9.0/10
Ready to buy?
Our top-rated vendor for each, based on trust scores, purity testing, and price.
Some outbound links may earn us a commission. Vendors cannot pay to improve rankings.
Where does this data come from?
We re-check vendor prices continuously and score vendors on Finnrick blind-test results — samples bought anonymously and sent to a lab, not vendor claims. No vendor can pay to rank higher. See our full methodology.