The Journal
Clear, cautious writing on the science of sweat, sodium, and endurance fueling.
DraftJune 1, 2026
Carbohydrate strategy: how much can your gut absorb per hour?
Single-sugar drinks cap out around 60g of carbohydrate per hour. Multiple-transportable-carb blends can push that ceiling higher — with less GI distress.
By Nate
DraftMay 18, 2026
Why generic sports drinks fail high-sweat athletes
One-size-fits-none: how population-average formulas leave heavy sweaters under-fueled and light sweaters over-diluted.
By Scott
DraftMay 4, 2026
How much sodium do you actually lose in sweat?
Sweat sodium concentration varies roughly 5–10x between athletes. Here's why the number on a generic electrolyte label rarely matches your own.
By Nate