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Research reference — not for sale

Amycretin

B
lead outcome
Weight loss — subcutaneous
grades vary by outcome ↓
Peptide
also called — amycretin
metabolicobesity / weighttype-2 diabetes (investigational)

Reference entry — NOT a sellable lane, NOT approved. The hottest emerging obesity molecule: it folds the CagriSema idea (GLP-1 + amylin) into one molecule, in both oral and injectable forms. Investigational; racing into Phase 3. No dosing published here.

In brief

Amycretin is Novo Nordisk's first-in-class unimolecular GLP-1 + amylin agonist — the CagriSema concept in a single molecule, developed as both a pill and a weekly injection. Early-phase data are striking (~24% weight loss subcutaneously at 36 weeks; ~13% with the oral form at just 12 weeks, beating semaglutide at that timepoint), and Novo is taking both forms straight to Phase 3 in 2026. But it is early-stage (Phase 1b/2a) and not approved anywhere — the impressive numbers still need Phase 3 confirmation.

Legal standing, by region
International
See note

- Everywhere — investigational, not approved. Not available by prescription or compounding outside clinical trials. - Gray market: "research" amycretin sold online is unapproved and unregulated — unknown purity/dose (and, being early-stage, authenticity is especially doubtful). - This venture: not a sellable lane — an investigational drug.

Evidence, by outcome
How we grade →

An honest grade per outcome — drawn from the evidence, not any catalogue. Hype and undemonstrated marketing claims grade low.

OutcomeEvidence base · effectGrade
Weight loss — subcutaneous
Early-phase (Phase 1b/2a), small; needs Phase 3 confirmation; high trial withdrawal
Phase 1b/2a (Lancet 2025, → −24.3% at 36 wk) · Very large
B
Weight loss — oral
Early, short (12 wk); Phase 3 pending
Phase 1 (Lancet 2025, ~13.1% at 12 wk, > semaglutide's ~6%) · Strong for an oral agent
B
Type-2 diabetes (HbA1c)
Phase 2; not approved
Phase 2 (n=448, up to −1.8%) · Meaningful
B
Safety
GI events frequent (as with GLP-1/amylin); long-term profile unestablished; investigational
Phase 1/2 (GI-predominant, mostly mild-moderate) · Class-consistent
Disclosure

Vallydia sells its own cosmetic serums, and some ingredients graded here belong to the same categories as those products. Grades are drawn from the published evidence by the method we publish, and applied to our own ingredients on the same terms — our copper-peptide serum is graded no more kindly than the peptides it competes with. We disclose the interest so you can weigh it.

Trade names shown here (for example Matrixyl, Argireline, Syn-Ake) are the property of their respective owners and are used only to identify the ingredient under discussion. Their appearance implies no affiliation with, or endorsement by, the proprietor.

Evidence changes

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Identity a single engineered peptide that activates both the GLP-1 receptor and the amylin receptor — the two pathways that CagriSema (#5) combines using two molecules, here united in one. Developed in both a once-daily oral tablet and a once-weekly subcutaneous injection. ## Mechanism (as proposed) a single molecule agonising both the GLP-1 receptor (hypothalamic appetite control, glucose-dependent insulin, glucagon suppression, slowed gastric emptying) and the amylin receptor (brainstem/area-postrema satiety, gastric emptying, glucagon) — the same complementary two-pathway logic as CagriSema, delivered in one agent. An orally bioavailable version of this is the headline pharmacology.

Sources — 3 cited
01Gasiorek A, et al. Safety, tolerability, PK/PD of the first-in-class GLP-1 and amylin receptor agonist amycretin: a first-in-human Phase 1 study (oral). Lancet. 2025.
02Dahl K, et al. Amycretin, a novel unimolecular GLP-1 and amylin receptor agonist administered subcutaneously: a Phase 1b/2a study. Lancet. 2025.
03Novo Nordisk — Phase 2 T2D topline (2025–2026); Phase 3 advancement announcement (both oral + subcutaneous, Q1 2026).
Updated 2026-07-11 (fast-moving — re-check Phase 3 progress)

Grades reflect the published evidence, not our interest. No dosing, reconstitution, or administration is published for research compounds — that restraint is deliberate.

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This site provides neutral scientific reference and sells only products lawful in your region. Nothing here is medical advice, a recommendation, or an offer to supply unapproved medicines. No dosing or administration is published for research compounds. Cosmetic peptides per Regulation (EC) 1223/2009. Unapproved injectable peptides are neither sold nor advertised in the EU (Directive 2001/83/EC, Title VIII). © 2026 Vallydia.