Supplements

Electrolytes and Hydration: When You Actually Need Them

When you actually need electrolytes, and when water's enough.

Muscle Nation •4 min read •14 Sep 2026
Key takeaways
  • Electrolytes matter most when you sweat heavily or train long.
  • For short, easy sessions, water is usually enough.
  • Hydration Sticks replace what you lose in sweat.
  • Reach for them on hot days, long training, or big sweat losses.

Electrolyte drinks are everywhere now, which has left a lot of people wondering whether plain water has somehow stopped working. It hasn’t. For most easy sessions, water is genuinely enough. But there are real moments where electrolytes earn their keep, and knowing the difference saves you money and effort. This is when they actually matter.

What electrolytes do

Electrolytes are minerals like sodium, potassium and magnesium that your body uses to stay hydrated and keep your muscles and nerves working properly. You lose them through sweat, which is why a hard, sweaty session drains more than just water.

Topping them up helps replenish what you’ve lost and supports hydration. When you only drink water after heavy sweating, you replace the fluid but not the minerals, and that’s the gap an electrolyte drink fills.

When electrolytes actually matter

Here’s the honest version. You don’t need electrolytes for every glass of water or every gentle walk. They come into their own in specific situations:

  • Heavy sweating, when your shirt’s soaked and you’ve clearly lost a lot
  • Hot weather, where you’re sweating more just to stay cool
  • Long, intense or endurance sessions that go well past a quick workout
  • Big training days where the volume really adds up
  • Any time plain water isn’t cutting it and you still feel flat or thirsty

If a few of those describe your day, electrolytes are worth reaching for. If none do, you’re probably fine on water alone.

When water is enough

For shorter, easier sessions, plain water does the job. A 30-minute gym session in a cool room, an easy walk, a light bike ride. You haven’t lost enough through sweat to need replacing with anything fancy, so water keeps you hydrated without overcomplicating it.

There’s no badge of honour in drinking an electrolyte mix you don’t need. Save them for the days that warrant it, and let water handle the rest.

What’s in Hydration Sticks

Our Hydration Sticks are single-serve electrolyte sticks you mix with water, sold in a 14 pack so they’re easy to keep in a bag or at your desk. Each stick gives you:

  • 3,505mg electrolyte blend, to help replenish minerals lost through sweat and support hydration
  • Sodium 504mg, potassium 255mg, magnesium 125mg and calcium 61mg per serve, from sources including Himalayan pink salt
  • 1,500mg taurine, to support endurance and muscle function
  • 750mg glycine, to support recovery
  • 120mg vitamin C

That’s the electrolyte blend doing the main hydration work, with taurine and glycine alongside it for endurance and recovery support. They’re good before, during or after training, so you can use one to prep for a big session, sip through it, or top up afterwards.

The aminos option

If you want aminos in the mix as well, there’s Aminos + Hydration, which combines amino acids with an electrolyte blend and coconut water powder. It’s the more flexible pick if you’d like your hydration drink to carry some BCAAs too, particularly around training.

Both support hydration. The difference is what rides along with the electrolytes. Hydration Sticks lean into taurine, glycine and vitamin C, while Aminos adds the amino side. Pick based on whether you want the extra aminos or not.

How to fit it into your routine

Keep it simple. On a normal, easy day, drink water and don’t overthink it. On a heavy, hot or long training day, add an electrolyte stick before, during or after to help replenish what you sweat out and support your hydration.

If you train in summer, do endurance work, or just sweat a lot, having a few sticks on hand means you’re covered when you need them. And if you like a flavoured drink that keeps you sipping, that on its own helps you take in more fluid across a hard session.

HYDRATION Sticks

Regular price $74.99
2 Pouches • 28 Servings

HYDRATION Sticks

Mango Passionfruit

Regular price $37.99

HYDRATION Sticks

Watermelon

Regular price $37.99

HYDRATION Sticks

Lemon Lime

Regular price $37.99
HYDRATION Sticks Grape, two pouches
HYDRATION Sticks - Grape - 14 Pack
Back in stock
Back in stock

HYDRATION Sticks

Grape

Regular price $37.99

HYDRATION Sticks

Variety Pack

Regular price $37.99

AMINOS + HYDRATION

30 Servings - Red Candy Sticks

Regular price $59.99

AMINOS + HYDRATION

30 Servings - Grape

Regular price $59.99

Frequently asked questions

When should I take electrolytes? On heavy-sweat days, in hot weather, during long or intense and endurance sessions, on big training days, or any time plain water isn’t cutting it. For shorter, easier sessions, water is enough.

Do I need electrolytes every day? Not necessarily. They matter most when you’ve sweated a lot. On easy days, plain water keeps you hydrated just fine.

What’s in Muscle Nation Hydration Sticks? Each stick has a 3,505mg electrolyte blend (sodium, potassium, magnesium and calcium, from sources including Himalayan pink salt) to support hydration, 1,500mg taurine for endurance and muscle function, 750mg glycine to support recovery, and 120mg vitamin C.

Can I have electrolytes before a workout? Yes. Hydration Sticks are good before, during or after training, so use one whenever it suits your session.

What’s the difference between Hydration Sticks and Aminos + Hydration? Both support hydration. Hydration Sticks pair the electrolyte blend with taurine, glycine and vitamin C. Aminos + Hydration adds amino acids and coconut water powder for those who want aminos in their drink too.

Hydrate when it counts

Water covers most of your day. On the hot, long, heavy and sweaty sessions, electrolytes help you replace what you lose and stay properly hydrated. Keep a few Hydration Sticks handy for those days, and don’t sweat the easy ones.

Shop hydration →

For a fruity protein option to sip on, have a look at Protein Water.

This is general information, not personal health advice. If you have a health condition or specific dietary needs, speak with a qualified health professional.