7 Reasons Your Training Feels Harder Than It Should

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7 Reasons Your Training Feels Harder Than It Should

(And why your hydration could be part of the problem)

Hannah Phillips

4 minute read

So What's Making Training Feel Harder Than It Should?

You planned the workout.
You showed up.
You put the work in.

So why do some sessions feel harder than they should?

It could be your training. It could be your recovery. Or it could be something much simpler: how well you're hydrated.

When you exercise, you lose fluid and electrolytes through sweat. If you're not replacing them, you may not be giving your body what it needs to stay properly hydrated.

Here are 7 reasons your workouts might be feeling harder than they need to.

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You're Starting Your Workout Already Dehydrated

It's easy to think about hydration once you start exercising.

But by then, you could already be playing catch-up.

You lose water throughout the day through things like sweating, breathing and simply being active.

Start a workout already low on fluids and the same session can feel more demanding.

That's why hydration shouldn't start when your workout does.

Drinking regularly throughout the day helps you start your training properly hydrated.

And when you're sweating, it's not just water you're losing.

A person holds a box of Revival Rehydration & Recovery electrolyte drink mix under red and blue lighting.

You're Replacing Water But Not Electrolytes

Sweat contains electrolytes, including sodium and potassium.

The more you sweat, the more important it is to think about replacing both fluid and electrolytes.

That's where electrolytes come in. They help support normal fluid balance, muscle function and nerve function.

Revival gives you 800mg of electrolytes in every sachet, including sodium and potassium, so you can replace key electrolytes while you hydrate.

"I feel more refreshed and less tired during exercise. Very tasty and orange burst is my favourite. Will probably buy another box soon."

Terr J

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"Great flavours, and an all-around good product. Good presentation with packaging and fast delivery. It’s become a core part of my daily hydration routine and I feel much more alert since starting it."

David

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You're Waiting Until You're Thirsty

Thirst isn't always the best reminder to drink.

When you're busy, training hard or simply getting on with your day, it's easy to go hours without thinking about hydration.

Then you start your workout, realise you're thirsty and try to make up for it.

Instead, make hydration part of your day rather than something you think about when you're already thirsty.

Keep a sachet in your gym bag, at your desk or in the car so you've always got an easy option when you need it.

You're Sweating More Than You Think

Not every workout is the same.

A short weights session in a cool gym is very different from a long run, intense HIIT session or workout in the heat.

And everyone sweats differently.

If you're sweating heavily, you're losing more fluid and electrolytes — which means what works for a normal day might not be enough for a demanding training session.

The harder you sweat, the more important it is to pay attention to hydration.

Revival makes it easy to add electrolytes to your water before, during or after training.

You're Forgetting About Hydration After Training

Your workout doesn't end when you put the weights down or finish your run.

You've spent time sweating and losing fluid, so what you drink afterwards matters too.

Water is important, but after a sweaty session you may also want to replace some of the electrolytes you've lost.

Revival combines 800mg electrolytes with 5 essential vitamins, including vitamin C and B vitamins, in a quick-mixing sachet.

Just add to water, shake and drink.

"Felt the benefit from drinking this from the first week. It’s a great pick-me-up for that mid-afternoon slump when you need to stay productive without reaching for yet another cup of coffee."

Stephanie Linton

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"The flavours are enjoyable and they help with hydration plus a small energy lift. Really useful for night shift workers, the gym, or physically demanding days"

Jan B

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Your Body Is Working Harder To Keep You Cool

When you exercise, your body has another job besides powering your workout: keeping your temperature under control.

As you get warmer, you sweat to help cool yourself down.

But that sweat means you're losing fluid.

The more dehydrated you become, the harder it can be for your body to regulate temperature during exercise.

Staying hydrated helps your body do what it needs to do while you focus on your workout.

So don't just think about hydration when you're thirsty. Think about it as part of your training.

You're Making Hydration Harder Than It Needs To Be

You know you should drink more.

But remembering to drink, carrying a big tub of powder around and measuring everything out isn't exactly convenient.

Revival keeps it simple.

One sachet gives you:

800mg electrolytes
Including sodium and potassium
5 essential vitamins
Including vitamin C, B1, B3, B5 and B12
Great-tasting flavours
So hydration is something you actually enjoy drinking
Single-serve sachets
Easy to keep in your gym bag, desk drawer or car

Just tear, pour, shake and go. Make hydration part of your training.

"I’ve been buying these since early 2025. They are great for quick recovery after a long day and I really enjoy the variety of flavours. It’s now a permanent part of my morning routine."

Ricky

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"It is vital for me to be at my best every day in a demanding job. Revival lets me do this, it’s great for after a long flight or an intense session at the gym."

Verified Customer

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