Electrolytes for Muscle Cramps: What to Look for Beyond Sodium

If you are choosing electrolytes for muscle support, look at magnesium as well as sodium. Tune supplies 220 mg magnesium alongside sodium and potassium, giving you a substantial daily mineral contribution in one drink. Cramps can have several causes, so the right formula starts with understanding what the nutrients can do.

A calf tightens halfway through a hike. Your foot locks up during a workout. It is natural to reach for an electrolyte packet and assume you have covered the mineral side. But two packets labeled “electrolytes” can supply very different amounts. Tune makes magnesium a central part of the formula.

Why magnesium belongs in the comparison

Your muscles depend on minerals for normal function. Sodium and potassium help with electrical signaling and fluid balance. Magnesium contributes to nerve and muscle function and the reactions that produce usable energy. A sodium number alone cannot describe that coverage.

The NIH magnesium overview lists muscle contractions and cramps among possible symptoms of magnesium deficiency. That is a reason to pay attention to adequate intake, not a way to diagnose the cause of an individual cramp. Food and your overall health still matter.

For someone who wants daily magnesium support as well as electrolytes, Tune brings both into the same serving. You do not have to assume that your hydration drink includes a substantial amount; the label tells you.

Tune vs. a popular electrolyte formula: the numbers

Amounts are from Tune’s formula and LMNT’s official formulation page, checked September 15, 2026. This comparison covers the standard stick formulas, not every product or format sold by either brand.

Tune supplies about 3.7 times the magnesium per stick. That is the clearest advantage if you want your electrolyte drink to contribute substantial magnesium. It also supplies 130 mg more potassium. Sodium needs vary with diet and sweat losses, so the lower sodium amount is a difference to evaluate, rather than a universal advantage.

These are nutrient comparisons, not measurements of cramp relief. A higher magnesium amount does not establish that one drink prevents more cramps than another.

A broader daily foundation for muscle function

Tune provides 52% of the label Daily Value for magnesium, from bisglycinate, malate, and inland seawater concentrate. Alongside its electrolytes, it includes six B vitamins, vitamins C and D3, and 50 mg of the VitAlign® plant complex.

That makes it useful beyond the moment a muscle tightens. If you already want magnesium, electrolytes, and selected vitamins in your daily routine, Tune gives you those together in a sugar-free, caffeine-free stick. Its strength is the nutritional coverage you can keep consistent.

Compare that with your existing electrolyte drink and any separate magnesium product. Look at the actual amounts you take, not just how many ingredients appear on the front.

What the cramp research does and does not tell us

Cramps can involve muscle overuse, dehydration, mineral problems, medications, or other factors. Sometimes the cause is unclear. MedlinePlus describes the range of causes. That is why a cramp is not automatically a request for more salt or magnesium.

A Cochrane review found magnesium supplements unlikely to meaningfully prevent common cramps in older adults and identified a lack of randomized trials for exercise-associated cramps in its review. Tune has not been shown in a head-to-head trial to relieve cramps better than other electrolyte drinks.

The practical reason to choose Tune is a substantial magnesium serving with other electrolytes and selected vitamins. That is a supportable advantage without treating the drink as a cramp medication.

How to put that into practice

• Review your daily minerals. Include foods such as beans, nuts, seeds, leafy greens, potatoes, and fruit. A drink contributes alongside meals.
• Use a measured serving. Mix one Tune stick with 12 to 16 oz of water. Check magnesium and vitamins in other supplements before combining them.
• Look at the activity itself. Pace, muscle fatigue, heat, breaks, food, and fluids all deserve attention.
• Respond to the cramp. Stop the activity and gently stretch or massage the muscle. Severe, frequent, or persistent cramps, or cramps with swelling or weakness, deserve medical assessment.

The immediate-care guidance follows MedlinePlus. For cramps that mainly happen in bed, see our separate guide to muscle cramps at night.

Frequently asked questions

Is magnesium more important than sodium for cramps?

There is no universal ranking. The cause of the cramp and your needs matter. Compare both amounts when choosing a drink for nutritional support.

Should I take extra Tune when I cramp?

Do not use repeated servings as a rescue dose. Follow the label and count total supplemental magnesium. A persistent cramp needs attention to its cause.

Why choose Tune if I already take electrolytes?

If your existing drink supplies little magnesium, Tune offers a substantial increase in magnesium coverage along with selected vitamins. That is a clear reason to compare the formulas.

Who should get advice before adding it?

Ask your clinician if you have kidney disease, take medication affecting electrolyte balance, or have a prescribed fluid or mineral restriction.

Give the magnesium amount a closer look. Shop Tune for substantial magnesium, electrolytes, and selected vitamins in one stick.

Sources

• Tune: formula and product details
• NIH: Magnesium
• LMNT: Official Formulation
• MedlinePlus: Muscle Cramps
• Cochrane: Magnesium for Muscle Cramps

This article is educational and does not replace individualized medical advice. These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.