# Electrolytes and Hydration for GLP-1 Users > GLP-1 medications blunt thirst and cut fluid intake from food. Shop electrolyte and hydration support, plus how much sodium, potassium, and magnesium to look for. Updated: 2026-08-09 Canonical URL: https://elevateglp.com/collections/electrolytes-and-hydration ## Direct answer Look for an electrolyte product supplying roughly 500–1000 mg sodium, 200–400 mg potassium, and 60–100 mg magnesium per serving, with little or no added sugar. On a GLP-1, one serving daily — two on injection day or in heat — covers most people. - Target ratios: sodium, potassium, and magnesium per serving - Why plain water alone can make symptoms worse - When to take electrolytes — injection day, heat, and training - What to avoid: high sugar, sugar alcohols, mega-dose caffeine blends About 20% of daily fluid intake normally comes from food. On a GLP-1 you are eating far less food, your thirst signalling is blunted, and any nausea or loose stools pull more fluid out. Mild dehydration becomes the default state rather than the exception. That matters because a lot of the symptoms people blame on the medication — headaches, dizziness on standing, fatigue, muscle cramps, brain fog, worse constipation — are classic mild dehydration and electrolyte depletion. ## What to look for on the label - Sodium 500–1000 mg per serving — the mineral that actually holds fluid in circulation - Potassium 200–400 mg — works with sodium for cellular fluid balance and cramp prevention - Magnesium 60–100 mg — supports muscle function and gut motility - Little to no added sugar — you don't need the carbohydrate load - No large sugar-alcohol content — sorbitol and similar can worsen bloating and loose stools on a slowed gut ## Why water alone isn't enough Drinking large volumes of plain water while eating very little food dilutes the sodium you do have. That can leave you feeling worse rather than better — more lightheaded, more fatigued, and needing the bathroom constantly without feeling hydrated. Electrolytes are what allow the water you drink to stay where it is useful. This is why people often report that their first electrolyte serving fixes a headache that two litres of water didn't touch. ## When to take them - Daily baseline: one serving, usually mid-morning - Injection day and the 48 hours after: this is when appetite and intake drop hardest - Hot weather or any sweating exercise: add a second serving - During a nausea or loose-stool episode: sip an electrolyte drink rather than plain water - If you feel dizzy standing up: that's a fluid-volume signal, not just low blood sugar ## Hydration and creatine If you're taking creatine to protect muscle, hydration matters more, not less — creatine draws water into muscle tissue. Pairing creatine with an electrolyte source is the simplest way to keep that working in your favour rather than leaving you feeling flat. ## FAQ ### How much water should I drink on a GLP-1? 2.5–3 litres daily suits most people, adjusted up for heat, exercise, and body size. Because thirst cues are blunted, set a schedule rather than waiting until you feel thirsty. ### Do I need electrolytes every day? Most people benefit from one daily serving while appetite is suppressed, since food-derived sodium and potassium have dropped. Add a second serving on injection day, in hot weather, or around exercise. ### Will sodium make me retain water or raise my blood pressure? For most people eating far less processed food, total sodium intake has actually fallen sharply, and replacing some of it is corrective rather than excessive. If you have hypertension, heart failure, or kidney disease, check the amount with your doctor first. ### Can electrolytes help with GLP-1 headaches? Often, yes — headaches in the first weeks and after dose increases are frequently a dehydration and low-sodium pattern. If headaches are severe, sudden, or persistent, get them assessed rather than self-treating. --- Source: https://elevateglp.com/collections/electrolytes-and-hydration Publisher: Elevate GLP (https://elevateglp.com) — supplements for people on GLP-1 medications. Educational content only; not medical advice. Attribution required when quoting.