Cagrilintide (investigational amylin analogue)
AM833, AM-833, CagriSema
Forms: Gray-market vials of cagrilintide alone or premixed with semaglutide (copies of Novo Nordisk's investigational CagriSema); premixes add all semaglutide risks.
A long-acting analogue of the satiety hormone amylin, not a GLP-1 drug. Investigational: developed mainly in combination with semaglutide (CagriSema) and approved nowhere on its own.
Legal status: Investigational and approved nowhere on its own; outside trials only unapproved gray-market supply. Banned in sport as a non-approved substance (WADA S0).
What it gives
What people use it for and what the sources report. Strength is a general category from the literature: mild, clear or strong.
Purpose
Used in sport for fat loss and appetite control, alone or premixed with semaglutide. Outside trials it exists only as unapproved gray-market peptide; the FDA has warned sellers marketing it for weight loss.
What people seek and what studies show
In a phase 2 trial cagrilintide alone cut body weight by 6.0–10.8% over 26 weeks vs 3.0% on placebo; the top dose did slightly better than liraglutide (10.8% vs 9.0%). Combined with semaglutide in phase 3, weight fell 20.4% vs 3.0% on placebo. These are supervised trials of pharmaceutical-grade drug; they say nothing about gray-market vials.
Effects
Evidence: Limited human data — some human studies, small or short
Sought effects by goal (as reported)
Possible side effects
Possible does not mean certain: whether they appear depends on dose, duration, individual response and monitoring. Below — what to watch for and how to notice it early.
6 possible side effects
level · how often it is reportedWhat the levels mean
Level: general category from the literature, not your personal risk
How often
- common
- reported often
- possible
- reported in some people
- rare
- reported occasionally
How to lower the risks
For 3 of 6 possible side effects there are specific ways to lower the chance: everyday measures, supplements and options a doctor may consider. For the rest — general advice. No measure removes a risk completely.
Products obtained without a prescription are often fake, mislabeled or non-sterile, and there is no way to check at home. For legal supplements, look for third-party testing (Informed Sport, NSF).
Smaller meals, enough fluid and fiber; a doctor for severe abdominal pain.
How each option helps (2)
- Working with a doctor — Assesses persistent vomiting or severe belly pain (possible pancreatitis or gallstones) and adjusts prescribed GLP-1 treatment when nausea persists.
- Pancreatin + dimeticone (Pankreoflat) — May ease heaviness and gas after meals; can cause nausea or diarrhea. Not for pork or cow's milk protein allergy (anaphylaxis reported) or early acute pancreatitis.
Enough protein and calories, keep heavy training, avoid overly aggressive deficits.
How each option helps (2)
- Essential amino acids (EAA, incl. BCAA) — With low protein intake, may lower the chance of muscle loss by supporting protein synthesis; whole protein works as well, and neither removes the risk of drug-driven catabolism.
- Whey protein — Enough protein may lower the chance of muscle loss in a calorie deficit; it does not remove the risk, especially with drug-driven catabolism (e.g. thyroid hormone).
Low-level side effects
How each option helps (2)
- Glucose monitoring — Readings, fast carbs and company help catch and treat lows — but deaths still occur; there is no safe way to misuse insulin.
- Avoiding alcohol and other liver stressors — Alcohol blocks the liver's glucose release, making insulin lows deeper and longer, including overnight.
Check-ups and blood tests
Which tests and check-ups to do and when. This is a guide — agree the exact schedule with your doctor.
Which doctors can help
Get medical help at once if
- Severe upper-abdominal pain spreading to the back, with vomiting (urgent amylase/lipase test); pain under the right ribs with fever or yellow eyes; vomiting with no stool or wind — seek urgent care.
In an emergency, call your local emergency number.
For women
No data in pregnancy or breastfeeding. Amylin slows stomach emptying, which may change how oral medicines, including birth-control pills, are absorbed.
Myth & fact
“Cagrilintide is a gentler GLP-1 drug.”
It is not a GLP-1 drug but an amylin analogue, and not a gentle one: even on its own, nausea and other GI effects were common in trials.
Combinations
Each of these lowers blood sugar in its own way, so with insulin the lows come deeper, last longer and are harder to predict. Confusion, sweating or drowsiness is an emergency; a severe low can kill.
Insulin (rapid- and short-acting)IGF-1 LR3MetforminSemaglutideTirzepatideRetatrutide (investigational triple agonist)BerberineAlpha-lipoic acidLiraglutideMecasermin (recombinant IGF-1, Increlex)DES(1-3) IGF-1IGF-1 LR3 acts like a long-lasting insulin. Other sugar-lowering substances add to it, so lows come deeper and last longer; confusion, sweating or drowsiness is an emergency.
IGF-1 LR3MetforminSemaglutideTirzepatideRetatrutide (investigational triple agonist)BerberineAlpha-lipoic acidLiraglutideMecasermin (recombinant IGF-1, Increlex)DES(1-3) IGF-1Mecasermin and DES(1-3) IGF-1 lower blood sugar much like insulin. Other sugar-lowering substances add to them, so lows come deeper and last longer; confusion, sweating or drowsiness is an emergency.
MetforminSemaglutideTirzepatideRetatrutide (investigational triple agonist)LiraglutideBerberineAlpha-lipoic acidCagrilintide and GLP-1 drugs both slow the stomach and curb appetite through different hormones, so their stomach effects add up. In the main trial of cagrilintide with semaglutide, nausea, vomiting, diarrhea or constipation affected about four in five people, twice as many as on placebo; vomiting and diarrhea drain fluid and can strain the kidneys.
Sources
Possible side effects by body system, combinations, how to lower the risks and which tests to do — free.
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