The most commonly reported side effects are mild and transient, including injection site reactions (redness, slight swelling, or tenderness), mild headaches during the initial days of use, and occasional dizziness or lightheadedness, particularly when starting the peptide

Common reasons Dose too low - may need to increase to therapeutic levels (2.4mg or higher) Not enough time - meaningful results typically take 8-12 weeks at adequate doses Calorie-dense liquid calories bypassing satiety signals - watch smoothies, alcohol, sugary drinks Eating through fullness signals - pay attention to your body's cues Inconsistent dosing schedule - must be same day each week for optimal levels Unrealistic expectations - 1-2 lbs per week is healthy, sustainable weight loss Key Research [1]"Once-weekly cagrilintide for weight management in people with overweight and obesity" Lau DCW et al., 2021 Finding: Phase 2 trial showed cagrilintide at 4.5mg achieved 10.8% weight loss versus 3% with placebo over 26 weeks in 706 participants
Users who irritated their skin with aggressive first attempts sometimes conclude that copper peptides don't work for them, when actually they just didn't work at that concentration without tolerance building
no new drug application for CJC-1295 has ever been completed