non glp-1 weight loss drugs Chart: 1 in 8 Americans Now Use for GLP-1 Medications: Everything You Need
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Whilst moderate dehydration doesnt directly impact the effectiveness of the medication, severe dehydration could potentially affect overall metabolism and medication absorption

The slow start is a feature, not a bug
J Clin Invest 101(6):13341341

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Patients should be advised that initial shedding may occur in the first few weeks, and visible improvement typically takes 36 months of consistent use