Tesamorelin vs AOD 9604 at a glance
| Tesamorelin | AOD 9604 | |
|---|---|---|
| Also known as | GHRH analog | HGH Fragment 176-191 |
| Category | Fat Loss & Weight Management | Fat Loss & Weight Management |
| Format | SubQ | SubQ |
| Research level | Intermediate | Beginner |
| Research sizes | 5 mg vial, 10 mg vial | 5 mg vial, 10 mg vial |
| In one line | A GHRH analog studied for visceral-fat and metabolic research. | A growth-hormone fragment studied for lipolysis research without blood-sugar effects. |
What is Tesamorelin?
Tesamorelin is a stabilized analog of growth-hormone-releasing hormone studied for its reported effect on visceral adipose tissue - the fat surrounding internal organs - in metabolic research models.
Tesamorelin stimulates endogenous GH release like other GHRH analogs, with research focused specifically on visceral-fat endpoints rather than subcutaneous fat.
What is AOD 9604?
AOD 9604 is a modified fragment (residues 176-191) of human growth hormone, representing the region associated with fat metabolism. It is studied because it isolates the lipolytic portion of GH without the growth-signaling or glucose effects of the whole hormone.
AOD 9604 research focuses on stimulation of lipolysis (fat breakdown) and inhibition of lipogenesis without acting on the IGF-1 axis or blood glucose - the defining research feature.
Key research differences
The two are best understood by what each is studied for. Tesamorelin: Tesamorelin is studied for visceral fat specifically, distinguishing it from AOD 9604 (general lipolysis) and the GLP-1 peptides (appetite). AOD 9604: Unlike GLP-1 peptides that act on appetite, AOD 9604 isolates the fat-metabolism portion of GH and does not affect blood sugar - a distinct research mechanism.
How researchers choose between them
Because Tesamorelin and AOD 9604 both sit in the fat loss & weight management category, the choice is a research-design question: match the compound to the exact signal or endpoint your model targets, and in many protocols the two are studied in parallel or in sequence rather than as either/or. Whichever you select, compare on verified quality: both are third-party tested to a 99%+ purity target with a COA on request.
Order Tesamorelin or AOD 9604
Both available research-grade with a COA on request.
See pricing & sizesFrequently asked questions
What is the difference between Tesamorelin and AOD 9604?
Tesamorelin a GHRH analog studied for visceral-fat and metabolic research; AOD 9604 a growth-hormone fragment studied for lipolysis research without blood-sugar effects. Both are fat loss & weight management research peptides. Both are research-use-only.
Can Tesamorelin and AOD 9604 be studied together?
Yes - within the same category they are often studied in parallel or sequence to compare or combine effects. Any combination work is laboratory research only.
Which is better, Tesamorelin or AOD 9604?
Neither is universally "better" - the right choice depends on the research question. Match the compound to your model's target signal, and compare suppliers on verifiable third-party purity, not sticker price.
All comparisons · Tesamorelin · AOD 9604 · Tesamorelin cost
External references: Peptide (Wikipedia) · U.S. Food and Drug Administration