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Comparison

Tirzepatide vs Cagrilintide

Tirzepatide vs Cagrilintide: GLP-1 + GIP appetite control vs amylin pathway. Two different levers on hunger.

The verdict

Two separate hunger switches. Tirzepatide works GLP-1 plus GIP and is a proven, FDA-approved standalone. Cagrilintide works the amylin pathway and was really designed to pair with a GLP-1 (that's CagriSema), not to fly solo. As a single agent for weight loss, Tirzepatide is the far stronger and better-documented choice. Cagrilintide earns its keep as a complementary add-on, not as a head-to-head replacement.

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Tirzepatide
Fat LossEvidence: Strong

Tirzepatide is the prescription weight-loss drug sold as Mounjaro (diabetes) or Zepbound (weight loss). It hits two appetite-control receptors at once. Most users lose 15-20% of body weight over several months. One injection per week.

Onset
80
Documentation
95
Side intensity
100
Popularity
95
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Cagrilintide
Fat LossEvidence: Moderate

Cagrilintide is an amylin agonist, a different appetite-control pathway than the GLP-1 drugs. Often paired with Semaglutide as 'CagriSema' for weight loss that breaks past GLP-1 plateaus. Once-weekly injection.

Onset
80
Documentation
95
Side intensity
82
Popularity
65
Side-by-side
Field
Left
Right
Category
Fat Loss
Fat Loss
Half-life
~5 days
~7 days
Route
Subcutaneous
Subcutaneous
Schedule
Once weekly
Once weekly
Cycle length
Open-ended, titrate over months
Open-ended
Dose
Start 2.5mg weekly. Titrate by 2.5mg every 4 weeks. Common max 10-15mg.
Start 0.3 mg sub-q weekly. Titrate to 2.4 mg over 4-week steps. Common max 2.4 mg.
FDA
Approved as Mounjaro (2022, type 2 diabetes) and Zepbound (2023, obesity).
Investigational. Phase 3 trials by Novo Nordisk, often paired with semaglutide as 'CagriSema'.
WADA
Not listed
Not listed
Natty?
Not natty
Not natty
Prescribed
Yes, widely prescribed by primary care, endocrinologists, and obesity-medicine specialists.
Not yet approved. Trial access only.
Top side effects
Nausea; Constipation; Reflux
Mild nausea; Reduced appetite; Constipation

Which one should you pick?

Pick Tirzepatide if users who couldn't tolerate semaglutide or metabolic-syndrome adults under provider guidance.

Pick Cagrilintide if users plateaued on semaglutide or tirzepatide or people wanting cleaner satiety without bigger glp-1 nausea.

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