by Pedialyte · Medical-grade rehydration

490 mg Na, 370 mg K per 12 oz, with dextrose to aid sodium absorption. Worth keeping on hand for a severe vomiting/diarrhea day, not for daily use.
490mg sodium, 370mg potassium per 12oz serving. Originally formulated for pediatric dehydration, commonly used by adults during vomiting or diarrhea illness. Contains dextrose (sugar) on purpose, because glucose helps sodium absorption at the gut level. Worth keeping on hand for a severe GI-symptom day but not for daily use.
On a GLP-1, the problem usually isn't the drug itself, it's that you're eating and drinking less, so sodium, potassium, and magnesium intake fall along with your appetite. That shortfall is behind a lot of the first-month fatigue, headaches, and light-headedness people describe. The Ozempic and Wegovy prescribing information both flag dehydration and electrolyte imbalance as watchpoints, especially when nausea or vomiting is in the picture.
Most people sip an electrolyte drink in the morning and again mid-afternoon, when the slump tends to hit hardest. During a nauseous spell, small sips every 15 to 20 minutes stay down better than gulping. If you have high blood pressure, kidney disease, or take a blood-pressure medication, run the sodium and potassium dose past your prescriber before starting.
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This is general information, not medical advice. Talk to your prescriber before adding a supplement, especially if you have kidney disease, heart disease, or take prescription medication.