electrolytes Do we really need to guzzle electrolytes after every workout? What are electrolytes? They’ve become synonymous with exercise, so we take a look at what they actually do, and when you really need them Advnture NewsletterAll the latest inspiration, tips and guides to help you plan your next Advnture!Contact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsors MOST READ1Vivobarefoot gets back to nature with Ecological Survival Collection hiking shoes2Tourist nearly flattened at Grand Canyon after mobbing frightened elk for photos3Casio launches tough new G-Shock Gravitymaster watches inspired by jet fighter geometry4Keen Women's Elle Backstrap Sandals review: move from the plane to the trail to the beach in comfort 5"The right to swim is not just legal permission" – the wild swimmers planning their own Kinder trespass