Electrolyte comparison

Purelyte vs Hydralyte

Hydralyte Orange carries 210mg sodium a serve, with zero magnesium and zero calcium.

Purelyte meets or exceeds the electrolytes lost in an average litre of sweat — sodium, potassium, magnesium and calcium — and is batch tested for 250+ banned substances.*

* HASTA batch testing applies to Lemon Lime, Raspberry and Blackcurrant.

 
 

What's in Hydralyte, from the label

Click the ? markers to see what each salt form actually means.

HydralyteCompetitor

210mg sodium · 160mg potassium · 0mg magnesium · 0mg calcium · 3.5g sugar

Ingredients

Sodium Chloride, Citric Acid, Magnesium Malate, Potassium Chloride, Natural Lemon & Lime Flavours, Stevia Leaf Extract

PurelyteThis page

800mg sodium · 400mg potassium · 100mg magnesium · 100mg calcium · 0g sugar

Ingredients

Pink Himalayan Salt, Potassium Citrate, Organic Citric Acid, Magnesium Lactate, Calcium Citrate, Fruit Powder, Fruit Oil, Organic Steviol Glycosides

 
 

Where each one actually wins

Stay with Hydralyte if

you want a lighter rehydration option for mild dehydration — standard Hydralyte carries 210mg sodium a serve, well under Purelyte's 800mg.

you are treating dehydration associated with vomiting or diarrhoea — standard Hydralyte is specifically formulated and labelled for this use.

Switch to Purelyte if

you want all four minerals replaced in one serve — Hydralyte carries zero magnesium and zero calcium.

you want zero sugar and no artificial ingredients like sucralose.

you are replacing electrolytes lost through sweat as Purelyte was built to replace all the electrolytes lost in a typical litre of sweat.

you are an athlete and need a batch-tested product.

 
 

Built around an average litre of sweat.

Purelyte meets or exceeds the electrolytes lost in an average litre of sweat.

Sodium 800 mg 800 mg
Potassium 400 mg 250 mg
Magnesium 100 mg 36 mg
Calcium 100 mg 20 mg
 
 

Side by side, from the labels and beyond

Filter by format, or by batch testing. Add any brand from the research file to widen the table.

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Details from each brand's published label, product page or publicised information. Prices based on RRP. Last Checked: 07/09/2026.

 

Australia's first full sweat replacement electrolyte

Built to replace everything, not just sodium.

Purelyte meets or exceeds the electrolytes lost in an average litre of sweat.