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Weight Loss Peptides: Research, Routes & Safety

Compare weight loss peptides including semaglutide, tirzepatide, liraglutide, retatrutide, cagrilintide, and AOD-9604 by route, half-life, approval status, and research context.

Educational onlyNot medical adviceSource links included

6 of 41 peptides

Research hub

Weight Loss peptide research overview

Weight Loss peptides are grouped in Peptidic because they are commonly referenced around metabolic signaling, appetite regulation, glucose control, satiety pathways, and body-composition research. This page narrows the visual peptide database to 6 weight loss entries so researchers can compare route, molecular weight, half-life, approval status, and source context without scanning the full directory.

The category is educational rather than prescriptive. A peptide appearing here does not mean it is appropriate, legal, approved, or safe for any person. The goal is to make research context easier to inspect: what route is typically discussed, whether the compound is FDA-approved, investigational, cosmetic, or not approved, and which related peptides deserve comparison before forming any conclusion.

Use this hub as a starting point for comparing peptide profiles side by side. The peptide list links to full profiles with overview copy, typical administration context, reported effects, source links where available, and internal links to the peptide calculator and tracker.

For SEO and research clarity, this page is intentionally narrower than the all-peptides directory. It focuses on the weight loss topic cluster while still preserving the same database controls and filter behavior that users expect from Peptidic.

Some compounds in this category are FDA-approved medications for specific indications, while others remain investigational or not approved for weight loss. Do not treat category placement as a recommendation.

AOD-9604 research profileInjectable context / half-life 3 minutesCagrilintide research profileInjectable context / half-life 8 daysLiraglutide research profileInjectable context / half-life 13 hoursRetatrutide research profileInjectable context / half-life 6 daysSemaglutide research profileInjectable context / half-life 7 daysTirzepatide research profileInjectable context / half-life 5 days

Frequently asked questions

What makes a peptide a weight loss peptide on Peptidic?

Peptidic groups peptides by the main research or reference context shown in the database. The weight loss category is a browsing aid, not a medical recommendation or approval claim.

Are all weight loss peptides FDA-approved?

No. Approval status is peptide-specific. Some entries may be approved for narrow medical indications, while others are investigational, cosmetic ingredients, or not approved for human use.

How should dosage information be interpreted?

Dosage fields are educational reference context only. If reliable public dosage context is missing, Peptidic should show a conservative availability message rather than guessing.

Where should I go after browsing weight loss peptides?

Open the full peptide profile for source links and safety context, compare related peptides in the same category, or use the calculator and tracker as educational organization tools.

Compare weight loss peptides

Compare core database fields before opening a full educational peptide profile.

PeptideCategoryRouteHalf-lifeMolecular weightApproval status
AOD-9604Weight LossInjectable3 minutes1815 DaNot FDA-approved for weight loss
CagrilintideWeight LossInjectable8 days4409 DaInvestigational
LiraglutideWeight LossInjectable13 hours3751 DaFDA-approved (Saxenda, Victoza)
RetatrutideWeight LossInjectable6 days4731 DaInvestigational
SemaglutideWeight LossInjectable7 days4114 DaFDA-approved (Ozempic, Wegovy, Rybelsus)
TirzepatideWeight LossInjectable5 days4814 DaFDA-approved (Mounjaro, Zepbound)

Popular peptides

Fast paths to the peptide profiles people usually check first.

Semaglutide

Weight Loss / Sg

GLP-1 receptor agonist used for glycemic control and weight management.

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Tirzepatide

Weight Loss / Tz

Dual GIP and GLP-1 receptor agonist with potent metabolic effects.

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BPC-157

Recovery / Bp

Pentadecapeptide from human gastric juice studied for tissue repair and gut protection. Oral capsules are the most common consumer form.

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TB-500

Recovery / Tb

Synthetic fraction of Thymosin Beta-4 promoting cell migration and angiogenesis.

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Semax

Mind / Sx

Heptapeptide ACTH(4-10) analog developed in Russia for cognitive and neuroprotective effects.

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Retatrutide

Weight Loss / Rt

Triple-agonist peptide showing record weight-loss results in trials.

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GHK-Cu

Beauty / Gh

Copper-binding tripeptide widely used in skin remodeling and hair products.

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Ipamorelin

Hormone / Ip

Selective GH secretagogue with minimal effect on cortisol or prolactin.

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