Tesamorelin
GHRH analog approved by the FDA for visceral fat reduction in HIV patients with lipodystrophy. Currently the only GH secretagogue with active FDA approval. Also researched for hepatic steatosis (fatty liver) and cognitive decline.
Last updated:: 06/04/2026
Research Status
ANVISA (Brazil)
Not regulated
FDA (USA)
Approved
EMA (Europe)
Not regulated
Mechanism of Action
Tesamorelin is a modified GHRH analog with the addition of a trans-3-hexenoic acid at the N-terminal position, increasing its stability and potency. It stimulates physiological GH release from the pituitary, selectively reducing visceral fat without proportionally affecting subcutaneous fat.
Study Protocols
Dosages and regimens used in published clinical studies. This does not constitute a medical prescription.
Lipodistrofia associada ao HIV
Subcutânea (SC)Aplicar no abdômen
Aprovado pelo FDA (Egrifta). Análogo do GHRH. Redução significativa de gordura visceral sem alterar gordura subcutânea.
Benefits
Visceral fat reduction
ProvenFDA-approved (2010). Studies demonstrated a 15-18% reduction in visceral fat (trunk fat) in HIV patients with lipodystrophy.
View studyHepatic fat reduction
Under researchStudies show significant reduction in liver fat (NAFLD/NASH) in both HIV and non-HIV patients.
View studyCognitive benefits
Under researchStudies in adults with mild cognitive impairment show improvement in memory and executive function.
Risks and Side Effects
Arthralgias
Low(13% of patients)Joint pain is the most common side effect. Generally mild to moderate.
Peripheral edema
Low(6% of patients)Mild swelling in the extremities, related to increased GH/IGF-1.
Internet vs. Science
What people say online compared to the actual scientific evidence.
Melts abdominal fat
Partially trueWhat they claim
Tesamorelin is the best peptide for eliminating belly fat — FDA-approved for that.
Actual evidence
FDA-approved for visceral fat reduction in HIV lipodystrophy (15-18% reduction). Effective, but approved for a specific population. Off-label use for general abdominal fat is common but is not an approved indication.
| Claim | O que dizem | Evidência real | Verdict |
|---|---|---|---|
| Melts abdominal fat | Tesamorelin is the best peptide for eliminating belly fat — FDA-approved for that. | FDA-approved for visceral fat reduction in HIV lipodystrophy (15-18% reduction). Effective, but approved for a specific population. Off-label use for general abdominal fat is common but is not an approved indication. | Partially true |
Studies and References (1)
Falutz J, Allas S, Blot K, et al. — New England Journal of Medicine (2007) — n=412
Tesamorelin reduziu gordura visceral em 15.2% vs aumento de 5% com placebo em 26 semanas em pacientes HIV com lipodistrofia.
PubMedFrequently Asked Questions
Can tesamorelin be used for weight loss?
FDA approval is specifically for HIV-associated lipodystrophy, not for general weight loss. Off-label use exists but is not an approved indication. For obesity, semaglutide and tirzepatide have much more evidence.
Important notice
This content is strictly informational and educational, based on published scientific research. It does not constitute medical advice, prescription, or encouragement to use any substance. Always consult a qualified physician before starting any treatment.
How to Obtain
This is an approved medication. A medical prescription is required for purchase.