Electrolytes & Hydration

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Reviewed by Louisa Giampaolo, Dietitian, on 23 June 2026

Electrolytes & Hydration

Shop electrolytes and hydration supplements at Elite Supps. Electrolytes are essential minerals - sodium, potassium, magnesium, calcium and chloride - that your body uses to stay hydrated and to support normal muscle and nerve function. You lose them through sweat, so topping them up helps you stay hydrated during exercise, in the heat, or as part of a daily routine. Every member of our team is a certified nutritionist, so you can choose with confidence.

Shop Electrolytes by Form

Electrolytes come in a few formats - pick the one that fits your routine:

What Are Electrolytes?

Electrolytes are minerals that carry an electric charge when dissolved in water. The main ones are sodium, potassium, magnesium, calcium and chloride. They help your body hold the right amount of fluid, and they play a role in normal muscle function and normal nervous-system function. When you sweat heavily - during exercise, in hot weather, or on a physical job - you lose fluid and electrolytes, and an electrolyte drink is a simple way to replace what is lost.

Who Benefits From Electrolytes

  • Active people and athletes. Electrolytes lost through sweat during training, endurance events or team sport. See electrolytes for runners and exercise.
  • Hot climates and physical work. Heavy sweating in summer or on the tools.
  • Everyday hydration. A daily top-up for people who find plain water hard to keep up with.

How to Choose an Electrolyte Supplement

Three questions narrow it down. Format: a powder you mix at home, or tablets you drop in a bottle on the go. Sugar or sugar-free: a carbohydrate option can suit longer endurance sessions, while sugar-free electrolytes suit daily use. Sodium level: higher-sodium blends suit heavy sweating and long sessions; lighter blends suit everyday sipping. Magnesium also plays a role in electrolyte balance - see our magnesium range.

How to Use Electrolytes

Mix a powder or drop a tablet into water and drink before, during or after exercise, or across the day to stay hydrated. Follow the directions on your product. There is no need to overdo it - electrolytes work alongside normal water intake and a balanced diet. This is a supplementary product and is not intended to diagnose, treat, cure, or prevent any disease.

Why Buy Your Electrolytes from Elite Supps

  • Every member of our team, online and in all our stores, is a certified nutritionist, so expert advice is always free.
  • A specialist range of electrolyte powders, tablets, sachets and sugar-free blends.
  • More than 140 stores nationwide, plus fast online delivery and same-day dispatch.
  • Family-owned, with competitive prices and regular deals.
  • Flat-rate shipping Australia-wide, and free delivery on orders over $150.
  • A 30-day money-back guarantee on your order.

Shop Electrolytes & Hydration at Elite Supps

Explore the full range, choose the format and formula that suit your routine, and enjoy fast delivery anywhere in Australia. Our certified nutritionists can help you choose, in store or online.

FAQ

What are electrolytes?

Electrolytes are essential minerals - sodium, potassium, magnesium, calcium and chloride - that carry an electric charge in the body. They help you hold the right amount of fluid and play a role in normal muscle and nervous-system function. You lose electrolytes through sweat, which is why an electrolyte drink is used to replace what is lost during exercise, in the heat, or as part of a daily routine.

Do I need an electrolyte supplement?

A balanced diet and normal water intake cover most people's needs. Electrolytes are most useful when you sweat heavily - during exercise, in hot weather or on a physical job. They are a convenient way to support hydration, not a replacement for water or food.

When should I take electrolytes?

Before, during or after exercise to support hydration, or across the day if you find plain water hard to keep up with. For longer or hotter sessions, sipping electrolytes during exercise helps replace what you lose through sweat. Follow the directions on your product.

What is the difference between sugar-free and regular electrolytes?

Regular electrolyte drinks often include carbohydrates, which can suit longer endurance sessions where you also want fuel. Sugar-free electrolytes provide the minerals without added sugar, which suits everyday use. Both support hydration; the choice comes down to your goal and preference.

Are electrolyte powders or tablets better?

Neither is better outright. Powders let you adjust the strength and mix a larger drink, which suits home and training use. Tablets are pre-measured and portable, which suits on-the-go use and travel. Pick the format you will actually use consistently.

Is it safe to take electrolytes every day?

For most healthy adults, electrolyte drinks are fine for daily use as directed, alongside normal water and a balanced diet. There is no need to overdo it. If you have a heart, kidney or blood-pressure condition, or are on a sodium-restricted diet, talk to your healthcare professional first, as your needs may differ.

References

This page is general information only and is not a substitute for personalised advice from your healthcare professional. Selected references:

  • Fluid and electrolyte balance. MedlinePlus, US National Library of Medicine (NIH). View source
  • Baker LB. Sweating rate and sweat sodium concentration in athletes: a review of methodology and variability. Sports Medicine. 2017. View source