FDA-approved (Egrifta)⚠ WADA-banned✓ Free to read

Tesamorelin

The deep fat wrapped around your organs is the target, and it is FDA-approved to shrink exactly that, not the fat you can pinch.

Updated 19 May 2026Read 3 minBacked by 60 studies

The quick version

What it is: A daily shot that copies a natural growth-hormone signal (brand: Egrifta SV)
Is it FDA-approved?: Yes, but only for HIV-related belly fat (lipodystrophy)
How strong is the proof?: Strong. Two Phase 3 trials, the best-studied drug in its family
How you take it: A shot under the skin, daily
Typical result: About 15-18% drop in deep organ fat at 26 weeks
Biggest catch: It does NOT touch the belly fat you can pinch. Brand is very expensive

Any word with a dotted underline is a science word — tap it for a plain-English meaning.

In plain words.

Tesamorelin is a daily shot. It is a stronger, more stable version of the natural hormone GHRH. The brand name is Egrifta SV.

Like sermorelin, it tells your body to release more of its own growth hormone. But it is more powerful and far better studied.

It got FDA approval in 2010, but only for one thing: a kind of belly fat seen in people with HIV (called lipodystrophy).

A key fact: it shrinks visceral fat, the fat deep around your organs. It does not shrink the fat you can pinch with your fingers.

What people use it for.

The approved use is the deep belly fat that some people with HIV get.

Off-label, doctors use it for visceral fat in middle-aged adults, and some study it for fatty liver disease.

If you want to lose the love handles or the lower-belly pooch you can see in the mirror, this is the wrong tool. That is fat, and tesamorelin barely touches it.

Does it actually work?

Yes, for what it actually does. This is the best-studied drug in its family.

Two Phase 3 trials in HIV patients showed about 15-18% less visceral fat at 26 weeks, measured on a CT scan. Later trials showed it can lower liver fat too.

But "works" means it shrinks the deep, hidden fat. The fat you can pinch barely moves. If a clinic sells it for love handles, they are misusing the approval.

what you’ve probably heard.

The claims floating around online, and how true they actually are.

“Tesamorelin actually works to shrink belly fat.”

true

This is the best-studied drug in its family. Two Phase 3 trials showed about 15 to 18% less visceral fat at 26 weeks, measured on a CT scan. That part is the real deal.

“It melts the belly fat you can pinch in the mirror.”

It shrinks the deep fat wrapped around your organs, not the soft fat you can pinch. That pinchable fat barely moves. If a clinic sells it for love handles, they are misusing the approval.

“It is a general weight-loss drug.”

not quite

It is only for one thing: the deep belly fat some people with HIV get. The off-label visceral-fat use is real, but it is not a tool for everyday weight loss the way a shot is.

“Cheap research tesamorelin is a steal.”

myth

Tesamorelin priced very cheap, around $130 a month or less, is usually mislabeled CJC-1295, a cheaper and shorter molecule. The price is simply too low for the real thing.

How you take it.

You take it as a shot under the skin, usually once a day. People often inject in the belly.

It comes as a freeze-dried () powder you mix with sterile water (). It breaks down fast once mixed, so you keep it cold and use it within about 7-10 days.

A doctor should check your (a growth marker) about every 8 weeks, and stop it if that number climbs too high for your age.

What to watch out for.

The common stuff

Redness or swelling where you inject. Some joint pain, swelling in the hands or feet, or muscle aches.

The serious stuff

It raises a growth signal (). Do not use it if you have active or recent cancer.
Avoid it with active pituitary disease or severe diabetic eye disease.
It can nudge blood sugar up, so people with diabetes need monitoring.
It is banned by WADA. Do not use it in a tested sport.

A doctor should track your the whole time. Talk to a real doctor. We are not your doctor.

Where people get it.

From safest to riskiest.

Brand (Egrifta SV). The real, tested drug, by prescription. But it is very expensive: about $2,400-$3,100 a month cash. HIV insurance plans often cover it.
. Same molecule, made off-label at hormone clinics, about $200-$500 a month. Cheaper, but the FDA oversight stops at the brand.
Research-only (). Sold "for research only," about $300-$450 a month. Highest risk. It breaks down fast after mixing.
. Overseas raw, around $110-$120 a month.

A red flag: "tesamorelin" priced very cheap (around $130 a month or less) is often mislabeled CJC-1295, a cheaper, shorter molecule. The price is too low for the real thing.

Our honest take.

Of the whole GHRH family, this is the one with the receipts: two Phase 3 trials and real CT-scan proof that it melts the deep fat wrapped around your organs. The catch is in what it does not do, because it leaves the soft fat you can pinch almost untouched. If a scan confirmed that deep fat and a doctor will recheck your every 8 weeks, this is the one setup the data actually supports.

Chasing the pinchable stuff in the mirror? It will not touch that, and it is an expensive way to learn so.

Going ahead means lining up who reads your bloodwork before you start, and pulling the plug the day your climbs past the safe line for your age.

The studies behind this.

We read the research so you don't have to. Here's where the facts on this page come from.

Learn about these too.

We're not your doctor, and this isn't medical advice. It's a plain-English summary of what the research says, so you can have a smarter conversation with someone who is.

Keep up with this stuff

Want the rest of the peptide world, in plain English?

New breakdowns, safety updates, and what's actually worth your money. Free. Unsubscribe in one click.