Peptide Therapy

GLP-1 Weight Loss Peptides

9 articles on GLP-1 Weight Loss Peptides by Dr. med. univ. Julian Douwes: Eloralintide: The Selective Amylin Agonist With 20% Weight Loss; and more.

9 articles · 117 min total
01

Eloralintide: The Selective Amylin Agonist With 20% Weight Loss

Eloralintide (LY3841136) is a selective amylin receptor agonist. The 48-week phase 2 trial, 20% weight loss, unusually mild gut effects, and how it compares with CagriSema.

Eloralintide: The Selective Amylin Agonist With 20% Weight Loss
02

Native GLP-1 (7-36 Amide): Why "Pure GLP-1" Fails as a Drug

Native GLP-1 7-36 amide is the real human incretin hormone — and it lasts about two minutes in blood. What the infusion trials showed and why analogues replaced it.

Native GLP-1 (7-36 Amide): Why "Pure GLP-1" Fails as a Drug
03

Liraglutide: The First GLP-1 for Weight Loss, Reassessed

Liraglutide (Saxenda, Victoza) was the first GLP-1 approved for obesity. What SCALE and LEADER showed, the full titration schedule, and where a daily shot still wins.

Liraglutide: The First GLP-1 for Weight Loss, Reassessed
04

Mazdutide: The GLP-1/Glucagon Dual Agonist Approved in China

Mazdutide (Xinermei, IBI362) is a GLP-1/glucagon dual agonist approved in China. GLORY-1, GLORY-2 and US phase 2 results, dosing to 9 mg, and how it differs from tirzepatide.

Mazdutide: The GLP-1/Glucagon Dual Agonist Approved in China
05

Tirzepatide: The Dual GIP/GLP-1 Agonist in Full

Tirzepatide (Mounjaro, Zepbound) in depth: 21% weight loss in SURMOUNT-1, randomised outcome data in sleep apnoea, HFpEF and MASH, the full titration schedule and the trade-offs.

Tirzepatide: The Dual GIP/GLP-1 Agonist in Full
06

Retatrutide Dosage Protocol: Titration Schedule, Starting Dose, and Clinical Expectations

Complete retatrutide dosage guide: starting doses, titration schedule, side effect management by phase, monitoring labs, and realistic weight loss expectations by week.

Retatrutide Dosage Protocol: Titration Schedule, Starting Dose, and Clinical Expectations
07

VK2735 Oral GLP-1 Peptide: What Patients and Clinicians Need to Know in 2026

VK2735 is a dual GIP/GLP-1 agonist from Viking Therapeutics, in Phase 3 as a weekly injection and tested in Phase 2 as a daily tablet. What the data show.

VK2735 Oral GLP-1 Peptide: What Patients and Clinicians Need to Know in 2026
08

Retatrutide vs Semaglutide vs Tirzepatide: The Triple Agonist Compared

A clinical comparison of GLP-1, dual GIP/GLP-1, and triple GIP/GLP-1/glucagon agonists — efficacy, weight loss, muscle preservation, and who qualifies in 2026.

Retatrutide vs Semaglutide vs Tirzepatide: The Triple Agonist Compared
09

Semaglutide: Beyond Weight Loss — A Physician's Assessment

An evidence-based clinical assessment of semaglutide. GLP-1 mechanism, cardiovascular benefits, neuroprotective signals, muscle loss concerns, and who should and should not use it.

Semaglutide: Beyond Weight Loss — A Physician's Assessment
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