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Pigmentation can be caused by various factors, including genetics, sun exposure, hormonal changes, and certain medications

Naltrexone/Bupropion Naltrexone is an opiate antagonist, whilst bupropion is a weak dopamine and noradrenaline reuptake inhibitor

Together, they may shift weight loss toward quality rather than just quantity - promoting more fat loss while preserving lean muscle mass

Side Effects Comparison# Retatrutide Side Effects# Phase 2 data (n=338 obesity trial): Nausea : ~25% at higher doses (8-12 mg) Diarrhea : ~20% Vomiting : ~15% Constipation : Common Decreased appetite : Common (pharmacological effect) Heart rate : Small increase (2-4 bpm), potentially related to glucagon component Injection site reactions : Mild, transient Discontinuation rate : 6-10% due to adverse events The glucagon receptor component introduces theoretical concerns for hyperglycemia (counterbalanced by GLP-1/GIP in practice), cardiovascular effects (chronotropic glucagon action), and hepatic effects, none of which produced safety signals in Phase 2 but require larger-scale monitoring