Tesamorelin

GHRH analog specifically FDA-approved for visceral fat reduction.

Route: SubQShelf life once mixed: ~30 daysCategory: Growth Hormone

What Tesamorelin is

Tesamorelin is a synthetic peptide analog of Growth Hormone-Releasing Hormone (GHRH). It functions by binding specifically to and activating the GHRH receptors located on the somatotroph cells within the anterior pituitary gland. This activation stimulates the pituitary to produce and release endogenous growth hormone (GH) in a pulsatile fashion, closely mimicking the body's natural secretion patterns. The subsequent increase in systemic growth hormone levels leads to elevated Insulin-like Growth Factor 1 (IGF-1) production from the liver, which mediates many of the growth hormone's anabolic and metabolic effects. While its direct half-life is relatively short, consistent daily administration aims to maintain a sustained physiological upregulation of GH and IGF-1.

In research settings, the observed effects of Tesamorelin, particularly regarding visceral fat reduction, are typically gradual and may become noticeable over several weeks to months, with longer cycles often employed in studies. While Tesamorelin is primarily investigated for its direct action on GHRH receptors, some research protocols might explore its use in conjunction with other compounds that support metabolic health or body composition goals, though its primary mechanism is unique. Research cycles for Tesamorelin often extend for periods of several months, such as 26 weeks, to fully evaluate its effects. Important considerations include monitoring IGF-1 levels, as well as being aware of potential side effects often associated with elevated growth hormone, such as injection site reactions, arthralgia, or fluid retention. It is important to remember that Tesamorelin is intended for research purposes only and not for medical treatment or personal use without proper authorization and supervision.

Commonly reported effects

Visceral fat loss
Improved lipids
Cognitive benefits

Reported side effects & considerations

Joint pain
Hyperglycemia
Injection site reaction

Storage & handling

LYOPHILIZED (unopened): store at 2-8°C (fridge) or -20°C (freezer) long-term. Protect from light.

AFTER RECONSTITUTION: refrigerate 2-8°C. Do NOT freeze. Discard after 30 days OR if the solution becomes cloudy, discolored, or contains particulates.

What people track

Because individual responses vary so much, the useful thing is your own record: what you logged and when, how much is left in the vial, and how your chosen metrics move over the weeks. Peptide Wizard keeps all of that in one place, alongside a 3D reference vial for Tesamorelin.

FAQ

What is Tesamorelin?

GHRH analog specifically FDA-approved for visceral fat reduction.

What do people commonly report with Tesamorelin?

Commonly reported effects include visceral fat loss, improved lipids, cognitive benefits.

How should Tesamorelin be stored?

LYOPHILIZED (unopened): store at 2-8°C (fridge) or -20°C (freezer) long-term. Protect from light.

How do I keep track of Tesamorelin in my research log?

Peptide Wizard lets you record each entry, keep a vial ledger so you know what's left, and chart your own metrics over time. It is a logbook and reference only — it does not calculate or recommend doses.