Your brain connects electrolytes to sport. But your body loses them anytime it sweats — and that happens more often than you think.
Gels or drink mixes — which one wins? Neither. They do completely different jobs. Here's how to use both to build a fuelling plan that actually holds up across 42 kilometres.
Plain water quenches thirst. But during endurance activities, it may not be enough — and too much of it can actually work against you. Here's what you need to know.
Knowing your sweat rate is the difference between guessing your hydration and getting it right. Here's the simple formula every fitness enthusiast should know.
Those white marks on your skin and kit after a run aren't dirt. They're salt — and they're telling you something important about your hydration.
Think of your body as an electrical grid. Electrolytes are what keep the current flowing — here's how.
Even in a chilly, air-conditioned gym, your body is sweating — and losing more than just water. Here's what you need to know.