Episode 15Dec 10, 2025· 8:34
Dehydration Is Sabotaging Your Workouts | Simple Hydration Guide for Better Fitness Results
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About this episode
This episode covers workout hydration strategy with specific fluid intake targets from the American College of Sports Medicine and National Athletic Trainers Association. Topics include pre-hydration timing (17–20 oz two to three hours before exercise, 7–10 oz ten to twenty minutes before), during-workout intake rates (400–800 mL/hour, simplified to sips during rest periods), post-workout rehydration (150% of fluid…
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Notable quotes
"deal. Your body is basically a fancy meat sack that's filled with about 60 % of water. Your"
— Famous Ashley Grant
"By the time you actually feel thirsty, you're"
— Famous Ashley Grant
"literally the easiest performance enhancer available. And if you get it from, you know, your tap, it's"
— Famous Ashley Grant
Episode transcript
Organized into 6 chapters — open any part to read the full text.
0:181. Why Water Is Critical for WorkoutsAshley introduces the episode's focus on hydration, explaining that muscles are 75% water and that feeling thirsty already means you're 2% dehydrated — enough to drop performance by 10%.2:142. Signs You're Dehydrated During ExerciseAshley lists concrete warning signs of dehydration mid-workout: sluggishness, dizziness, elevated heart rate, headache, dry mouth, stopping sweating, and muscle cramps.3:343. Pre-Workout and During-Workout Hydration PlanAshley walks through expert-backed hydration amounts before and during exercise, including when to bring in electrolytes for workouts over an hour, and gives a personal recommendation for organic Gatorade.6:074. Post-Workout Rehydration and the Urine CheckAshley covers post-workout fluid replacement targets and introduces urine color as a simple, no-equipment hydration check — pale yellow means good, apple juice color means you're behind.8:255. Busting Hydration MythsAshley addresses two common myths: that you can easily drink too much water (really only a risk for ultra-endurance athletes) and that coffee dehydrates you (the water in it more than compensates).10:236. Safety, Performance, and Making Hydration a HabitAshley connects proper hydration to safety risks like heat stroke, then closes with practical habit suggestions: get a water bottle you actually like, set phone reminders, and treat hydration as an all-day practice.
Open full transcriptMentioned in this episode
organizationAmerican College of Sports Medicine
Cited twice by Ashley as the source for recommendations on hydration during exercise in the heat and for fluid intake rates of 400–800 milliliters per hour during workouts.
organizationNational Athletic Trainers Association
Cited by Ashley as the source for pre-workout hydration guidelines (17–20 oz two to three hours before exercise) and for recommending urine color as a hydration check.
productGatorade organic strawberry
Ashley personally recommends this specific Gatorade flavor as a sports drink, saying her instructor turned her on to it and promising to leave a link in the show notes.
companyBlackpink
K-pop group Ashley is obsessed with — the reason her water bottle is black and pink.
Key themes
Dehydration tanking your workout before you notice
Ashley argues that by the time you feel thirsty you're already 2% dehydrated, which research she cites links to a 10% performance drop — meaning the damage is happening invisibly.
Your body is mostly water and that matters
Ashley frames the stakes of hydration by pointing out that muscles are about 75% water, comparing working out dehydrated to running a car without oil.
Recognizing dehydration mid-workout
Ashley lists specific physical warning signs — sluggishness, dizziness, racing heart, headache, dry mouth, stopping sweating, muscle cramps — so listeners can catch dehydration while it's happening.
A timed hydration plan before and during exercise
Ashley walks through specific ounce-and-timing targets from the National Athletic Trainers Association and American College of Sports Medicine, while admitting she personally struggles with pre-hydration.
When electrolytes matter and when they don't
Ashley draws a line between workouts over an hour — where electrolytes and carbohydrates can help — and shorter sessions where she says plain water is fine and pushes back on sports drink marketing.
Urine color as a hydration check
Ashley presents urine color — pale yellow good, apple juice color bad — as the easiest no-equipment way to monitor hydration, citing the National Athletic Trainers Association.
Busting the over-drinking myth
Ashley acknowledges overhydration is real but argues it's only a genuine risk for ultra-endurance athletes, not people doing average gym sessions, and says it shouldn't be used as an excuse to skip water.
Coffee doesn't dehydrate you
Ashley addresses the caffeine-as-diuretic myth and tells listeners their morning coffee counts toward hydration because the water in it outweighs the mild diuretic effect.
Dehydration as a safety risk, not just a performance issue
Ashley shifts from performance framing to safety, warning that severe dehydration — especially in heat — can lead to heat exhaustion and heat stroke when the body runs out of fluid to sweat.
Making hydration a daily habit, not just a workout thing
Ashley closes by telling listeners to get a water bottle they actually want to use, set phone reminders, and treat hydration as an all-day practice that starts before and continues after the workout.