Independent reference & toolkit 100 compounds graded · Last reviewed June 2026

Compare · GLP-1 agonist

Amycretin vs Tirzepatide

Both are glp-1 agonist compounds. Here's how they line up on the evidence — graded the same way.

AmycretinTirzepatide
Evidence 6/10 10/10
ClassGLP-1 agonistGLP-1 agonist
SummaryAn investigational single-molecule GLP-1 and amylin receptor agonist from Novo Nordisk with eye-catching early-phase weight-loss data, but no completed Phase 3 trials and no approval anywhere.A dual GIP/GLP-1 receptor agonist with strong RCT evidence for type 2 diabetes, weight loss, and sleep apnea; GI side effects are common.
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Amycretin

Amycretin is an experimental drug from Novo Nordisk. Its early weight-loss numbers have turned heads, which is exactly why it keeps popping up on peptide forums and gray-market menus. It is a single molecule (one compound, not a blend) that switches on two receptors at the same time — the GLP-1…

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Tirzepatide

Tirzepatide is a once-a-week injectable peptide. You may know it by its brand names: Mounjaro (for type 2 diabetes) and Zepbound (for weight management and sleep apnea). Most of the compounds we write about here have thin evidence behind them. This one is different: it has been tested in large,…

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