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Electrolytes and potassium supplements in Australia

TL;DR

The Australian/NZ NRVs say supplemental potassium should only be provided under medical supervision. NIH ODS notes people with kidney disease or on some medicines are at risk of high potassium. Talk to your GP before using a potassium supplement.

Australian NRVs

The Australian/NZ NRVs set no UL for potassium from food and say supplemental potassium should only be provided under medical supervision. [1]

Medicines and kidneys

NIH ODS notes people with kidney disease or who take certain medicines should consult their health care provider because of the risk of high potassium. [2]

Prices in Australia

Coles online, listed shelf price checked 15 Oct 2026 (search results; specials marked). Prices change often. This is not an endorsement or a recommendation, and no affiliate links are used. Chemist Warehouse, Priceline and iHerb: price check pending.

Product (as listed)Price
Coles Electrolyte Tablets Blackcurrant (20 pack)A$7.00
Hydralyte Effervescent Tablets Orange (10 pack)A$9.30
Voost Hydrate Lemon & Lime (20 pack)A$8.40 (special; was A$12.00)

FAQ

Are electrolyte tablets the same as potassium supplements?

Electrolyte products usually contain small amounts of several minerals. Check the label and ask your pharmacist if you have kidney problems or take blood-pressure medicines.

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Sources

  1. Nutrient Reference Values for Australia and New Zealand: Potassium (NHMRC, Eat For Health)
  2. Potassium – Fact Sheet for Health Professionals (NIH ODS)

Sources checked 15 Oct 2026. Pending human review before publication.