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Hydration guide

Daily hydration protocols, reviewed

We look at bioavailable electrolyte ratios, zero-sugar formulas and everyday hydration habits. Here is what we check, and when plain water is perfectly good enough.

Disclosure: We may earn a commission if you buy through links on this site, at no extra cost to you. This never affects what we write. Read our affiliate disclosure and editorial standards. This page is educational and not medical advice.

Illustration of a water drop above waves on an amber background

What to look for

  • 1,000 mg sodium and 200 mg potassium per serving (example ratio)
  • Fast-dissolving micro-minerals
  • No artificial food dyes or fillers

What this kind of protocol includes

Hydration protocols range from simple (water with meals and a pinch of salt after hard training) to formulated electrolyte powders with sodium, potassium and magnesium. The right level depends on your sweat rate, climate, activity and health.

What to check on the label

CheckWhy it mattersWhat good looks like
Sodium and potassium per servingThese are the numbers that decide how well a drink replaces sweat losses.Exact milligrams per serving. See electrolyte ratios explained.
Magnesium formCitrate and glycinate are well absorbed. Oxide is not.Named form and amount.
Sweeteners and colorsSugar alcohols can upset some stomachs. Dyes are an avoidable extra.Short, named ingredient list.
Price per servingPowders vary a lot in real cost.A serving cost that makes sense for how often you use it.
TestingContaminant testing helps, especially for athletes.Third-party testing you can verify.

Who it suits

People who sweat heavily, train for long periods, work in heat or need help replacing fluids after illness. Most people sipping water at a desk do not need a formulated product.

Who should be careful

  • People with high blood pressure, heart disease or kidney disease.
  • Anyone taking diuretics, ACE inhibitors or other medications that affect electrolytes.

Use our zero-sugar hydration mix checklist to compare products side by side.

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Frequently asked questions

How much water should I drink each day?

Needs vary with body size, climate, activity and diet. A common approach is to drink when thirsty and aim for pale-yellow urine, then drink more around heavy exercise or heat.

Do I need electrolytes every day?

Most people do not. They help during long or sweaty exercise, in heat, or when recovering from illness with fluid loss.

Is zero-sugar always better?

Not always. Small amounts of carbohydrate help absorption during long exercise. For everyday sipping, zero-sugar is fine.

Can I overdo electrolytes?

Yes. Excess sodium or potassium can be a problem, especially with certain conditions or medications. More is not better.

Sources and further reading

General reference sources, linked for further reading. Always check current guidance for your country and situation.

Reviewed and updated October 17, 2026. Educational information only, not medical advice. See our medical disclaimer.

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