Walk into any servo, supermarket or sports store in Australia and you will see two categories sitting next to each other: sports drinks and electrolyte drinks.
They look similar, they make similar promises, and most people grab whichever one is on special. But for athletes, runners, cyclists, triathletes, team sport players and anyone working outdoors in heat, the difference matters a lot more than the marketing suggests.
This guide covers what is actually in each, when sugar helps and when it hurts, and how to choose for the kind of training and racing you do.
The terms get used interchangeably, but the products are not the same.
A traditional sports drink is built around two things: sugar, usually 25 to 35 g per bottle, and sodium. The sugar is the headline ingredient, fast absorbing carbohydrate designed to deliver energy quickly. Sodium is added to support fluid uptake and replace what you sweat out. Most mainstream sports drinks in Australia fall into this category.
An electrolyte drink leads with minerals, sodium, potassium, magnesium and chloride, with little or no sugar. Some are pure electrolytes, often sold as tablets or low calorie powders. Some pair electrolytes with a smarter carbohydrate source. The focus is hydration first, energy second.
The category split comes down to one question: how much sugar are you drinking, and is your session long or hard enough to actually use it?
| Factor | Sports drink | Sugar free electrolyte drink |
|---|---|---|
| Leads with | Sugar, then sodium | Minerals, no sugar |
| Sugar per serve | 25 to 35 g | 0 g |
| Sodium per serve | Around 200 to 230 mg per 500 ml | 300 to 330 mg per serve for UCAN Hydrate |
| Magnesium and calcium | Usually absent | Present in a complete formula |
| Best session length | Under 90 minutes | Any length, and it does not touch your fuel plan |
| Drinking in volume | Hard past a litre an hour | Comfortable |
Sugar is not the enemy. In the right context, short and high intensity efforts where you need carbohydrate fast and cannot carry food, a sports drink does the job.
Where it makes sense:
In all three cases the session ends before the shape of the energy curve becomes a problem.
The maths changes the moment your session goes past 90 minutes. Drinking 25 to 35 g of sugar an hour, every hour, for three to six hours, is where sports drinks start working against you.
This is the gap sugar free electrolyte drinks were designed to fill.
Not all electrolyte drinks are equal. Some are more or less salt water with flavouring. Others are properly formulated for sport. Here is what to check:
There is a longer version of this label check, with all four product categories on the Australian shelf compared side by side, in our guide to choosing an electrolyte drink.
UCAN Hydrate sits in the gap most mainstream sports drinks miss: long, hot training where you need to drink in volume without loading up on sugar.
Per 3 g serve in 500 ml: 300 to 330 mg of sodium depending on flavour, plus 100 mg potassium, 150 mg chloride, 50 mg magnesium and 20 mg calcium. Zero added sugar, zero carbohydrate, no artificial sweeteners, naturally flavoured with stevia leaf extract.
Available in Berry, Lemon Lime, Watermelon and Pineapple, in single serve packets and 30 serve jars. Pineapple carries the most sodium at 330 mg, which is the one to reach for on the hottest days. Everything else in the formula is identical across the four, so the rest of the choice is taste.
For sessions over 90 minutes where you also want amino acid support, Hydrate + Aminos adds six amino acids to the same electrolyte base. Built for marathons, half and full distance triathlon, ultras and multi day events.
A simple, defensible hydration routine for Australian conditions.
| When | What to do |
|---|---|
| 30 to 60 min before | One serve of Hydrate in 500 ml of water. You start on the front foot rather than playing catch up. |
| During the session | Sip steadily. Most athletes work in a range of 500 to 750 ml per hour in heat, more if you sweat heavily, less in cool conditions. |
| Sessions over 90 min | Consider Hydrate + Aminos for the added amino acids, or run standard Hydrate alongside your gels. |
| After | Replace fluid and electrolytes alongside your normal recovery meal. Pair with a protein source within an hour or two. |
If you want your own numbers rather than a range, the sweat rate test takes one long run and a set of bathroom scales. It is set out in the hydration for marathon training guide.
And choose Hydrate + Aminos if your session is over 90 minutes and you want electrolytes and amino acids in one drink.
If the fuel side is the part you have not settled yet, the energy gel comparison covers what goes alongside the bottle.
Neither is universally better, it depends on the session. Sugary sports drinks suit short, high intensity efforts where carbohydrate arriving fast is useful. Sugar free electrolyte drinks suit long, hot or repeated sessions where high sugar volume becomes the limiting factor. Many endurance athletes use both at different times.
Most people do not need a sports electrolyte drink on rest days or for casual hydration. Water and a balanced diet cover normal daily needs. They earn their place around training, racing, outdoor work in heat, or recovery from heavy sweat sessions. Because Hydrate carries no carbohydrate and no kilojoules, a daily serve in hot conditions costs you nothing nutritionally.
For sessions over 90 minutes, most athletes find a sugar free or low sugar electrolyte drink easier to tolerate in volume than a high sugar sports drink. If you also need carbohydrate for energy, the cleaner approach is to add a slow release carbohydrate source separately rather than load up on fast sugar in the bottle.
Most published guidance for endurance events sits between 300 and 600 mg of sodium per hour, with the upper end for heavy or salty sweaters in heat. Body size, sweat rate, sweat sodium concentration, temperature and effort all move the number, which is why the sweat rate test is worth doing once.
No. For most people a 5 km effort is too short to need carbohydrate or electrolytes mid session. Hydrate normally before, run, and rehydrate after. Save both categories for the sessions where they actually do work.
Yes, and it is the cleanest way to run the two systems separately. UCAN Hydrate carries no carbohydrate at all, so adding it changes nothing about your fuelling maths. Add the sodium from your gels to the sodium in your bottle to get your hourly total.
Nutrition figures read from current Australian pack labels. Competitor figures from published nutrition panels, correct as at August 2026. Guidance here is general and not individual advice. Sweat rate and sweat sodium concentration vary widely between individuals and change with heat, humidity and fitness. Adjust from here based on your own testing.
Same formula, same 3 g serve. Pick on where you will be drinking it.
Not sure which flavour you can still drink at hour three? Every one is available as a single sachet. Test it on a long session before you buy a jar.
Four guides to finish the hydration and fuel plan.
All four product categories on the Australian shelf, compared side by side.
Read the guide SodiumThe sweat rate test that turns a range into your own number.
Read the plan AminosWhen aminos are worth adding to your hydration, and when they are not.
Read the guide FuelWhat goes alongside the bottle, compared on carbs, sugar and sodium.
Read the guide
28Oct 
26Jan 
by Sarah UCAN AUS Team
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