WHOOP VP of Performance Kristen Holmes sits down with Andy Blow, a world-renowned expert in sweat, dehydration, and cramping.
Andy is the founder of Precision Fuel and Hydration, and is a sports scientist who spent part of his career working for the Benetton and Renault Formula 1 teams. Andy was an elite-level triathlete himself, finishing in the top 10 of Ironman and IM 70.3 races and also winning an Xterra World title.
Andy explains how our body functions when we sweat, the critical role sodium plays in hydration, plus what electrolytes are and how to best go about replenishing them. He also shares how to avoid over-hydrating and why some of the common signs you might look for to judge your hydration levels might be leading you astray.
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4:31 – Andy’s journey to sports science
8:56 – Variability in sweat and salt loss from person to person
10:08 – What our bodies do while sweating
11:50 – Perceived effort and thirst
13:53 – Planning out hydration
16:20 – Prehydrating
21:46 – Keto diets and hydration
24:27 – Caffeine’s role in hydration
30:09 – Alcohol
33:14 – Electrolytes
37:22 – Hydrating while fasting
42:05 – Carbs and fueling
Dr. Sandra Godek on fluid consumption and sweating in NFL and college football players
Precision Fuel and Hydration athlete hydration case studies
Precision Fuel and Hydration blog and knowledge hub