Weight Loss
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Tesamorelin + Ipamorelin

Starting at
254
/month*

Tesamorelin + Ipamorelin is a physician-prescribed peptide combination that works through two complementary pathways to stimulate your body's own growth hormone production -- supporting visceral fat reduction, lean muscle preservation, improved recovery, and deeper sleep without the risks of synthetic hormone replacement.

  • Downward arrow icon
    Reduces stubborn visceral (abdominal) fat
  • Back muscle
    Preserves and supports lean muscle mass
  • Magic wand
    Improves sleep quality and overnight recovery
  • Muscle
    Supports metabolic health and body composition
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Tesamorelin and Ipamorelin both stimulate growth hormone release from the pituitary gland, but they do so through different mechanisms -- which is exactly what makes the combination effective. Tesamorelin is a stabilized analog of growth hormone-releasing hormone (GHRH), the signal the hypothalamus uses to tell the pituitary to produce growth hormone. It works through the GHRH receptor and drives a sustained, physiologic pattern of GH secretion that closely mirrors what your body does naturally.

Ipamorelin works through a separate receptor -- the ghrelin receptor -- acting as a selective growth hormone secretagogue that amplifies the GH pulse without meaningfully raising cortisol or prolactin, two hormones that can cause unwanted side effects with older GH-stimulating compounds. Taken together, typically in the evening to align with the body's natural overnight GH surge, the two compounds produce a stronger and more complete growth hormone signal than either would alone. That elevated GH drives increased IGF-1, which in turn supports fat breakdown, muscle protein synthesis, tissue repair, and the deep slow-wave sleep where most physical recovery actually happens.

Tesamorelin was developed as a synthetic analog of endogenous GHRH, engineered with a chemical modification that extends its half-life and makes it stable enough for clinical use. It was studied extensively in randomized, placebo-controlled trials and received FDA approval in 2010 for the reduction of excess abdominal fat in adults with HIV-associated lipodystrophy -- one of the few peptides to carry a formal FDA indication based on Phase 3 clinical trial data. That research documented visceral fat reductions of roughly 15 to 20 percent over 26 weeks, along with improvements in triglycerides, cholesterol ratios, and, in a separate randomized trial, reductions in liver fat. Subsequent analyses found that tesamorelin-treated patients also showed measurable improvements in skeletal muscle area and density.

Ipamorelin was developed as a more selective alternative to earlier GH secretagogues that caused problematic cortisol and prolactin spikes. Preclinical and early clinical research established its clean selectivity profile and its ability to generate robust GH pulses with minimal off-target hormonal effects. The combination has not been studied in its own dedicated clinical trial, but its use is informed by the well-characterized individual profiles of both compounds and by clinical experience in integrative medicine settings.

Reported side effects are generally mild and manageable under physician supervision. The most commonly noted include injection site reactions such as redness or mild discomfort, temporary water retention or joint stiffness, and occasional headache or mild nausea, particularly early in treatment. Tesamorelin can modestly affect blood sugar and IGF-1 levels, which is why regular lab monitoring is a standard part of any AIRA protocol. Ipamorelin's selective receptor profile means it does not significantly raise cortisol or prolactin, which reduces the side effect burden relative to older GH-stimulating compounds. Your prescribing clinician will monitor your response and adjust your protocol as needed.

See the Science

Falutz J, et al. Metabolic effects of a growth hormone-releasing factor in patients with HIV. New England Journal of Medicine2007

"In a multicenter, randomized, placebo-controlled trial of 412 patients, tesamorelin reduced visceral adipose tissue by 15.2% over 26 weeks compared to a 5% increase in the placebo group, with significant improvements in triglycerides and cholesterol ratios."
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Stanley TL, et al. Effect of tesamorelin on visceral fat and liver fat in HIV-infected patients with abdominal fat accumulation: a randomized clinical trial. JAMA2014

"In a double-blind, randomized, placebo-controlled trial at Massachusetts General Hospital, tesamorelin significantly reduced both visceral adipose tissue and liver fat over 6 months compared to placebo."
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Falutz J, et al. Tesamorelin improves fat quality independent of changes in fat quantity. ScienceDirect / Journal of Clinical Endocrinology & Metabolism2019

"A secondary analysis of two Phase 3 randomized trials found that tesamorelin-treated patients showed significant increases in trunk muscle density and lean muscle area compared to placebo, suggesting body composition benefits beyond fat reduction."
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Raun K, et al. Ipamorelin, the first selective growth hormone secretagogue. European Journal of Endocrinology1998

"This foundational study established Ipamorelin as a potent and highly selective GH secretagogue that stimulates robust GH release without meaningfully elevating cortisol, prolactin, or ACTH -- the off-target hormonal effects that limited earlier compounds in this class."
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AIRA encourages all patients to conduct their own research and consult with a qualified healthcare provider before beginning any peptide or prescription therapy. While we strive to provide accurate, science-based information, Tesamorelin's clinical evidence base is primarily derived from studies in HIV-associated lipodystrophy; its use for body composition and metabolic health in non-HIV populations is off-label. Research on Ipamorelin and on the combination of both compounds is largely preclinical or early-stage, and these findings may not yet be fully validated in large-scale human trials. The content provided on this site is for informational and educational purposes only and should not be interpreted as medical advice or a guarantee of treatment efficacy. Individual results may vary based on health history, dosing, and other factors. Always discuss potential risks, benefits, and alternative options with your doctor or licensed medical provider prior to starting any new therapy.

Key Takeaways

Body fat

Clinically Studied Fat Reduction

Tesamorelin is one of the few peptides backed by FDA-approved, Phase 3 randomized trial data on visceral fat.
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Two Pathways, One Protocol

Tesamorelin and Ipamorelin work through different receptors to produce a stronger combined GH signal.
Heart health

Natural GH, Not Synthetic HGH

Stimulates your own pituitary to release growth hormone, preserving the body's normal feedback and safety mechanisms.
Shield

Physician-Guided Protocol

Prescribed, monitored, and adjusted by a licensed clinician with regular lab oversight throughout your protocol.

Frequently asked questions

Tesamorelin is FDA-approved for the reduction of excess abdominal fat in adults with HIV-associated lipodystrophy, based on Phase 3 clinical trial data. Its use for body composition and metabolic health in non-HIV populations is off-label. Ipamorelin has not been independently approved by the FDA. Both compounds can only be prescribed through licensed clinicians where state law allows.

Tesamorelin has one of the strongest clinical evidence bases of any peptide in this category, with multiple randomized, placebo-controlled trials published in the New England Journal of Medicine and JAMA documenting significant reductions in visceral fat, triglycerides, and cholesterol ratios. A secondary analysis of Phase 3 trial data also showed improvements in skeletal muscle area and density. Ipamorelin's human research base is smaller and earlier-stage, with its profile primarily established through preclinical work and early clinical studies. The combination as a stack has not been the subject of a dedicated clinical trial.

The combination is designed to stimulate a stronger, more complete growth hormone signal than either compound achieves alone. Tesamorelin drives a sustained physiologic GH pulse through the GHRH pathway; Ipamorelin amplifies that pulse through a separate ghrelin receptor pathway, without raising cortisol or prolactin. The downstream effects include support for visceral fat reduction, lean muscle preservation, tissue repair, and the kind of deep slow-wave sleep that is essential for overnight recovery. Most patients begin noticing changes in sleep quality and energy within the first few weeks, with body composition changes becoming more apparent over several months of consistent use.

Both compounds are generally well-tolerated at clinical doses under physician supervision. Tesamorelin's safety profile is well-documented through its FDA approval process and post-market use. Ipamorelin's selective receptor profile means fewer hormonal side effects than older GH secretagogues. Because Tesamorelin can affect IGF-1 and blood sugar levels, routine lab monitoring is standard at AIRA. Your prescribing clinician will review your health history and labs before starting and at regular intervals throughout your protocol.

Tesamorelin + Ipamorelin is not recommended for individuals who are pregnant or breastfeeding. It is also contraindicated for those with active or suspected malignancy, uncontrolled diabetes or significant insulin resistance, proliferative diabetic retinopathy, or known hypersensitivity to either compound. Patients with a history of certain endocrine conditions should discuss their individual situation with their prescribing clinician before starting. Your AIRA physician will review your full health history and baseline labs to determine whether this protocol is appropriate for you.

Both compounds are administered via subcutaneous injection, typically in the evening to align with the body's natural overnight growth hormone pulse. Your AIRA clinician will determine the appropriate protocol based on your health history, goals, and lab results. AIRA does not provide specific dosing guidance on this page; all protocols are determined by your prescribing physician.

Tesamorelin + Ipamorelin can be part of a broader wellness or optimization protocol, depending on your goals and current health status. It is often considered alongside other metabolic or recovery-focused therapies. Because Tesamorelin affects the GH axis and IGF-1, your clinician will evaluate any potential interactions with other hormone therapies or peptides before recommending additions to your protocol.

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