Reading the label

A glass of water and a filled water bottle on a kitchen scale
How Much Water You Actually Need, by Body Weight
Eight cups is a placeholder, not a measurement. A simple weight-based estimate, adjusted for activity and food, gives you a number you can actually work with. Read more...
Hydration
Electrolytes Without the Hype
Electrolytes matter, but most people get what they need from food and water. The marketing often outruns the need. What They Actually Do Sodium, potassium, and magnesium help nerves, muscles,... Read more...
Hydration
Electrolytes: When and Why They Matter
Sodium, potassium, and magnesium keep nerves and muscles working. Most people get enough, but some situations raise the need. Daily Needs Are Modest A balanced diet usually covers electrolytes without... Read more...
Hydration
Hydration and Nutrient Transport
Water is the medium that moves nutrients where they are needed. Even mild shortfalls ripple through the day. Fluid Carries the Load Vitamins and minerals dissolve and travel in water.... Read more...