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Tesamorelin

The growth hormone peptide with the best evidence for reducing deep belly fat.

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Tesamorelin is a synthetic version of growth hormone-releasing hormone (GHRH), the signal your brain sends to the pituitary to release growth hormone. What sets it apart from other peptides in this family is the research behind it: tesamorelin is FDA-approved, under the brand name Egrifta, for reducing excess abdominal fat in people with HIV-associated lipodystrophy, and it did so in large trials by targeting visceral fat specifically, the deep fat around the organs that drives metabolic risk.

Dr. Loera prescribes tesamorelin off-label for adults with stubborn abdominal fat, slowing metabolism and declining growth hormone in midlife, usually as part of a body recomposition plan with training and nutrition targets attached. Because it works through your own pituitary, growth hormone is released in natural pulses with the body’s feedback loops intact.

How it helps

What tesamorelin does

It restores a growth hormone signal that fades with age, and the trial data on visceral fat is what makes it the first choice for a stubborn midsection.

Reduces visceral fat

In clinical trials tesamorelin reduced deep abdominal fat by roughly 15 to 20 percent over six months, the strongest such evidence for any peptide.

Raises growth hormone naturally

It prompts your pituitary to release more of your own growth hormone in physiologic pulses, lifting IGF-1 into a healthier range.

Improves metabolic markers

Studies show improvements in triglycerides and liver fat alongside the fat loss.

Supports lean mass

Better growth hormone signaling helps you keep and build muscle, especially while losing fat.

Deeper sleep and recovery

Bedtime dosing supports slow-wave sleep, where most repair happens.

Possible cognitive benefits

Research in older adults suggests tesamorelin may support executive function and memory.

Tesamorelin vs. other growth hormone peptides

  • Tesamorelin is the most potent GHRH analog in this group and the one with hard data on visceral fat. It’s the pick when belly fat and metabolic health are the priority.
  • CJC-1295/Ipamorelin is the all-rounder for lean mass, sleep and recovery, with a gentler effect on blood sugar and appetite.
  • Sermorelin is the mildest option, often chosen for first-time users and older adults.

Some protocols combine tesamorelin with ipamorelin, which works through a different receptor, for a stronger overall growth hormone pulse.

What a tesamorelin protocol looks like

Tesamorelin is injected once daily, subcutaneously in the abdomen, usually at bedtime on an empty stomach so the growth hormone pulse isn’t blunted by a recent meal. Protocols run three to six months. We check IGF-1, fasting glucose and HbA1c at baseline and again at roughly three months, because growth hormone can raise blood sugar in susceptible people. Results compound with resistance training and adequate protein, and we set simple targets for both.

Honest expectations

Tesamorelin reduces visceral fat; it isn’t a general weight-loss drug, and total body weight may change little even as the waist shrinks and body composition improves. In the trials, fat returned after stopping, so most people either cycle it with lifestyle gains locked in, or continue at a maintenance dose. We’ll be clear about which approach fits you.

Candidates

Is tesamorelin right for me?

Often a good fit

  • Stubborn abdominal fat despite a reasonable diet and activity
  • Midlife changes in metabolism, waistline or energy
  • Low-normal IGF-1 on labs, with symptoms to match
  • Wanting to support growth hormone naturally rather than use HGH
  • Willing to train, eat enough protein and get periodic bloodwork

Let’s talk first

  • Active cancer or cancer treatment in the last five years
  • Pregnancy or breastfeeding
  • Uncontrolled diabetes, or pre-diabetes without monitoring
  • A pituitary condition or recent head surgery or injury
  • Competing athletes subject to anti-doping rules

Not sure where you land? A consultation with Dr. Loera is the fastest way to find out.

The process

How it works

  1. Step 1

    Consultation and labs

    We review goals, history and current habits, and check IGF-1, blood sugar, lipids and relevant hormones.

  2. Step 2

    Your protocol

    Dose, timing and course length, plus training and protein targets so the peptide has something to work with.

  3. Step 3

    First dose and teaching

    Injection technique demonstrated in the office; a one-minute bedtime routine afterward.

  4. Step 4

    Three to six months

    Prescriptions ship from a licensed compounding pharmacy. Track your waist measurement and weight weekly.

  5. Step 5

    Reassess

    Repeat labs and measurements at around three months guide whether to continue, adjust or move to maintenance.

Good to know

Tesamorelin questions, answered

What is tesamorelin used for?

Tesamorelin is a growth hormone-releasing peptide used to reduce visceral abdominal fat, support lean muscle and improve metabolic markers. It is FDA-approved for abdominal fat in HIV-associated lipodystrophy and used off-label for stubborn belly fat and age-related growth hormone decline.

How much fat can tesamorelin remove?

In clinical trials, tesamorelin reduced visceral fat by about 15 to 20 percent over six months. Results in general wellness use vary with diet, training and dose. It targets deep abdominal fat specifically rather than total body weight.

Is tesamorelin FDA approved?

Yes, as Egrifta, for reducing excess abdominal fat in people with HIV-associated lipodystrophy. Its use for general body composition or anti-aging is off-label, and compounded tesamorelin is regulated differently from the branded product. Dr. Loera will explain what can currently be prescribed.

How long does it take to work?

Sleep and recovery often improve within two to three weeks. Measurable changes in waist size and body composition usually appear by eight to twelve weeks, with the best results at three to six months.

What are the side effects of tesamorelin?

The most common are injection-site redness or itching, joint aches, water retention and tingling in the hands. Growth hormone can raise blood sugar, so we monitor glucose and HbA1c. Serious side effects are uncommon with proper screening.

Does tesamorelin raise blood sugar?

It can, particularly in people with pre-diabetes or insulin resistance. That’s why we check fasting glucose and HbA1c before and during treatment and adjust or stop if needed.

Will the fat come back if I stop?

In the trials, visceral fat returned after tesamorelin was discontinued. Most patients either cycle it while building lifestyle habits that hold the gains, or continue a lower maintenance dose. We plan this with you from the start.

Can I combine tesamorelin with ipamorelin?

Yes. They stimulate growth hormone through different receptors, and combining them produces a stronger, more natural pulse. Dr. Loera decides based on your goals and labs.

Is tesamorelin banned in sports?

Yes. Growth hormone-releasing peptides are prohibited under WADA rules. If you compete in a tested sport, tell us before starting.

How much does tesamorelin cost?

It depends on dose and course length. Peptide therapy is self-pay and not covered by insurance. You’ll get a clear quote at your consultation, and our price list is always available.

Keep exploring

All peptide therapies

Body Recomp & Muscle Mass

  • Lean mass
  • Fat loss
  • Performance

Growth hormone peptides such as tesamorelin, CJC-1295/Ipamorelin and sermorelin that support muscle growth, fat loss and recovery alongside training.

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CJC-1295 / Ipamorelin

  • Growth hormone
  • Sleep
  • Lean mass

Two peptides that work together to raise your own growth hormone in natural pulses, supporting sleep, recovery, lean mass and fat metabolism.

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Sermorelin

  • Growth hormone
  • Gentle start
  • Healthy aging

A well-established GHRH analog that restores natural growth hormone pulses for better sleep, energy, recovery and body composition.

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Ready to tackle stubborn belly fat?

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