Be alert to dizziness when changing positions Monitor blood pressure if possible, as dehydration can cause drops Note frequency and colour of urination throughout the day Medical considerations Adjust medication timing to minimise side effects that contribute to dehydration Consider temporary dose adjustment in consultation with your healthcare provider Discuss anti-nausea or anti-diarrhoeal medications if these symptoms are contributing to fluid loss Consider IV fluids for severe cases (requires medical intervention) When to seek medical advice Contact your healthcare provider immediately if you experience: Severe thirst that cannot be satisfied by drinking Little or no urination for 8 hours or more Dizziness or lightheadedness that impairs functioning Confusion, disorientation, or extreme fatigue Rapid heart rate or breathing Fainting or severe weakness Inability to keep fluids down due to vomiting Long-term outlook With proper management, most patients can maintain adequate hydration whilst on GLP-1 treatments

A 2023 safety review that analyzed 12 clinical studies involving 512 participants found that the most common side effects from topical GHK-Cu were transient redness (4.2% of participants) and mild itching (2.8%)
The drugs may also affect decision-making away from food: A small, recent study found that subjects with alcohol-use disorder drank less while using semaglutide, supporting anecdotal evidence from patients and doctors.
For obesity, its default state of low-grade, chronic inflammation and disordered immune function [12] severely lowers nicotinamide adenine dinucleotide (NAD+) at cellular, tissue, and systemic levels, leading to restricted cellular energy production [13]
L-Carnitine for Skin Hydration and Texture Improvement Beyond sebum control, L-Carnitine is involved in skin hydration and texture improvement