AJ Anderson 
Sodium gets the headlines, but magnesium is the quietly essential electrolyte most endurance athletes are running short on. Here is what it does, why you lose it, and how to actually get enough.
The myth that coffee dehydrates athletes has been around for decades. Here is what the research actually says — and how to combine your pre-workout coffee with a smart electrolyte plan.
Swimmers sweat just as much as runners and cyclists — you just can’t see it. A practical spring hydration plan for pool training, open water season, and triathlon race days.
Aging changes how your body handles fluid and electrolytes. Here’s the science-backed hydration playbook masters athletes need after 50.
Pickleball’s stop-start intensity, salty sweat losses, and hot court surfaces demand a different hydration playbook than running or cycling. Here’s how to pre-load, fuel between games, and recover for tournament day.
What to drink in the first hour after training to actually recover — fluid, sodium, carbs, and protein, with the products and real-food options that get the job done.
Exercise-associated hyponatremia kills healthy endurance athletes every year — and drinking plain water is the cause. Here’s how to recognize it, prevent it, and build a sodium-smart hydration plan.
A seven-day, hour-by-hour hydration and electrolyte playbook for Boston Marathon runners — what to drink leading up to the race, during the Newton Hills, and in the critical 30-minute recovery window.
You grab a sports drink off the shelf, scan the label, and see a wall of ingredients you half-recognize. Sodium citrate. Sucralose. Natural flavors. But what do these actually do inside your body — and which ones matter for performance? With the clean-label movement reshaping the sports drink market in 2026, more athletes and fitness … Read more
Generic hydration advice ignores the 5x difference in how much athletes sweat. Here’s how to measure your own rate at home in one workout and build a plan around it.