Hydration can make or break your workout.
Drink too little and performance drops. Drink the wrong thing and you feel flat, crampy or wiped out, even if you’ve had plenty of fluids.
So what’s actually better for workouts? Plain water or electrolyte drinks?
The answer depends on how you’re training, how long you’re training for, and how much you’re sweating. Let's break it down.
Why Hydration Matters During Exercise
When you exercise you lose fluids through sweat, and with sweat, you also lose key minerals called electrolytes.
Proper hydration helps:
- Maintain energy and endurance
- Regulate body temperature
- Prevent muscle cramps and dizziness
- Support muscle function and recovery
Being even 2% dehydrated can negatively impact performance.
What Is Water’s Role?
For most everyday workouts, water alone is more than enough to keep you hydrated and performing well.
Water replaces fluid loss, supports circulation and cooling and has zero calories or additives.
Water is usually enough if:
- Your workout lasts under 60 minutes
- Intensity is low to moderate
- You’re not sweating heavily
- You’re exercising in a cool environment
For many people, water is all they’ll ever need.
What Are Electrolytes?
Electrolytes are minerals that help regulate fluid balance and muscle contraction. The main ones include:
- Sodium
- Potassium
- Magnesium
- Calcium
You naturally lose electrolytes when you sweat, especially sodium, which plays a key role in hydration and nerve signalling.
Electrolytes help your body:
- Absorb and retain fluids
- Prevent cramping
- Maintain performance during longer or harder sessions
When Do You Need Electrolytes?
Electrolytes become helpful when fluid loss is high.
You may benefit from electrolyte replacement if:
- Your workouts last longer than 60 - 90 minutes
- You’re doing high-intensity or endurance training
- You sweat heavily or notice salt stains on clothing
- You’re training in hot or humid conditions
- You’re doing multiple workouts in one day
In these situations, water alone may dilute sodium levels, leaving you feeling tired or light-headed.
Electrolyte Drinks: Helpful or Overhyped?
Electrolyte drinks can be useful, but not all are created equal.
Some contain:
- High levels of sugar
- Unnecessary calories
- Simple ingredient lists
You don’t need neon-coloured sports drinks for a 30 minute workout.
Can You Get Electrolytes from Food Instead?
Absolutely. Everyday foods already contain electrolytes including:
- Salted meals
- Bananas and potatoes
- Leafy greens
- Dairy products
- Nuts and seeds
If you’re eating balanced meals and staying hydrated, you may already be covering your needs, especially for shorter workouts.
How Much Should You Drink?
There’s no one size fits all rule, but a simple guideline:
- Drink water regularly throughout the day
- Sip during workouts rather than chugging
- Rehydrate after training, especially if you’ve sweated a lot
A pale yellow urine colour is a good general hydration check.
Diso's Final Say: Electrolytes vs Water
You don’t always need electrolyte drinks, but they can be useful in the right context.
For most workouts under an hour, water is enough. Electrolytes are best reserved for longer, hotter, or more intense training sessions.
Hydration isn’t about drinking more, it’s about drinking smart. Choose what supports your body, your training and your lifestyle.
Remember, the key is to remain in balance for a healthy performance within your body and also your mind. For more information and expert advice on supporting your health and wellbeing, head to our wellness hub for more useful tips and info!
