“I sweat salty and often struggle to find an electrolyte mix that is salt enough and easy to portion. Fortunately Tenacle fixes both problems at once.”

Marc Fawcett-Atkinson has spent years moving through mountains the hard way: quickly, relentlessly and for distances most people avoid thinking about. Athletes like Marc help keep us focused on what actually matters in endurance nutrition — reliability, simplicity and something that still works deep into a long day.