Pregnancy Hydration for Athletes: Why Sweat Rate and Sodium Loss Change Over Time
Pregnancy doesn’t make hydration dynamic, it proves it. Field data from cyclist Sarah Sturm show why one-time sweat tests miss real-world hydration shifts.
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Matt Hanson on Sweat Testing and Race Fueling With hDrop
A deeper scientific breakdown of Matt Hanson’s hDrop fueling approach, with evidence-based hydration, sodium, carb, and race-adjustment protocols.
How to Get a Sweat Test: Where to Go & Use Results
Learn how and where to get a sweat test, what it costs, and how athletes can use results to build a personalized hydration strategy with hDrop.
How to Avoid the Hidden Hyponatremia Trap: Science-Backed Hydration Rules for Endurance Athletes
A science-backed guide to preventing exercise-associated hyponatremia with context-specific fluid and sodium targets for marathon and ultra athletes.
A Scientific Review: How Accurate Is Precision Hydration Sweat Testing for Real Racing?
The Precision Hydration Pilocarpine Sweat Test was progress, but a resting sweat test is not the finish line. Precision hydration deserves credit: they were the first ones that pushed athletes from generic advice toward personalization. The problem is what happens next. Many athletes take a pilocarpine sweat sodium test at rest and then turn that…
How Accurate Is Precision Hydration Sweat Test?
Understanding your body’s electrolyte losses is key to optimizing hydration and performance. Many athletes turn to companies like Precision Hydration (PF&H) for personalized guidance. Their test uses a pilocarpine-based sweat stimulation method, a procedure derived from clinical cystic fibrosis diagnostics. Pilocarpine is applied to a small skin area (typically the forearm) to artificially induce sweat,…
The Ultimate Guide to Wearable Sweat Sensors: Is hDrop the Best Choice?
The Ultimate Guide to Find the Best Wearable Sweat Sensors Introduction: Why Sweat Matters Sweat. It’s more than just a sign of a good workout. It’s a window into your body’s hydration levels, electrolyte balance, and overall performance. For athletes, understanding sweat composition is crucial for optimizing training, preventing dehydration, and maximizing endurance. That’s where…
Salt Capsules vs Electrolyte Drinks: Heat Hydration
When you’re training or competing in hot conditions, staying hydrated isn’t just about drinking water—it’s about replacing the sodium and other electrolytes lost in sweat. Many athletes reach for salt capsules as a convenient way to get sodium on the go. But is swallowing a salt capsule really the most effective method to keep your…
Why “One-Size-Fits-All” Sodium Buckets Don’t Always Fit
A science-based deep dive into sweat-sodium precision 1. Why the “bucket” approach became popular Most practical guides group athletes into three sweat-sodium “buckets”: Bucket Whole-body sweat [Na⁺] Typical drink recipe Low < 30 mmol L⁻¹ ( < 700 mg L⁻¹) 500 mg Na L⁻¹ Medium 30–50 mmol L⁻¹ ( 700–1 150 mg L⁻¹) 1000 mg Na L⁻¹ High…