Hot weather brings the same question up every year. Should I be taking electrolytes? It's a fair thing to wonder, and the honest answer sits somewhere between "you must supplement" and "just drink water." Sodium and potassium don't do the same job in your body, and getting that balance right matters more than reaching for a sachet out of habit. Here's what actually helps, and when a supplement is genuinely worth it.

Travel unsettles your gut. New food, disrupted sleep, unfamiliar water, less movement, more alcohol than usual. It's rarely one thing, it's all of it at once. The reassuring part is your gut copes better than it feels on day three of a holiday. A handful of simple habits, in place before you go and kept up while you're away, make a genuine difference, both on the trip and once you're home. Here are seven worth building in.

Digestion often changes the moment you travel, from constipation and bloating to diarrhoea and dehydration. It is not bad luck. It is your gut responding to a new time zone, unfamiliar food, less water and a disrupted routine all at once. This article explains why these symptoms happen so quickly, what is happening in your body, and the simple, practical steps that help you stay comfortable and settled before, during and after any trip.