Blood Testing

Sodium/potassium ratio: normal range and what your result means

The Sodium/Potassium Ratio is an important biomarker that reflects the balance between two essential electrolytes in the body: sodium and potassium. This ratio plays a key role in optimising energy, metabolism, and overall wellbeing. Maintaining a balanced Sodium/Potassium Ratio supports hydration, cellular function, and muscle performance. In an Australian context, testing this ratio can provide valuable insights into how well your body is managing these electrolytes, which impacts everything from exercise performance to long-term metabolic health. Start tracking your Sodium/Potassium Ratio now for better control over your wellbeing and to optimise your energy and longevity.

Reviewed by the Vively clinical team
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Included in the Baseline Health Check (70+ markers), part of the $99 a month membership. Targeted baseline re-test after 3 months.
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Order online, then one blood draw at any of 3,700+ partner collection centres. Results arrive in the Vively app within a few days, explained against optimal ranges.
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What is Sodium/Potassium Ratio?

The Sodium/Potassium Ratio is a measure of the balance between sodium and potassium levels in the body, which are crucial for proper cellular function, hydration, and metabolic health.

Why does it matter for long-term health and wellbeing?

Maintaining an optimal Sodium/Potassium Ratio is essential for supporting cellular functions, hydration, muscle performance, and metabolic processes, all of which are integral to long-term health and wellbeing.

What's an optimal level of Sodium/Potassium Ratio?

  • Optimal Range: 1:1 to 2:1
  • Laboratory Range: Varies depending on the laboratory, but typically between 1.2:1 and 2.5:1. Always refer to your specific lab's reference ranges for accuracy.

What influences Sodium/Potassium Ratio levels?

Diet, hydration, exercise, and stress can all impact the Sodium/Potassium Ratio. High sodium intake, dehydration, or excessive physical exertion can shift the balance, affecting performance and overall health.

What does it mean if Sodium/Potassium Ratio is outside the optimal range?

An imbalanced Sodium/Potassium Ratio could indicate improper electrolyte balance, which may lead to issues like fatigue, muscle cramps, or difficulty in maintaining energy levels. It’s important to test and track to understand any changes in your body’s needs.

How can I support healthy Sodium/Potassium Ratio levels?

Eating a balanced diet rich in fruits and vegetables (especially potassium-rich foods like bananas, spinach, and sweet potatoes), staying well-hydrated, and moderating sodium intake can help maintain a healthy Sodium/Potassium Ratio.

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Sodium/Potassium Ratio
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Sodium/Potassium Ratio
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How does your sodium/potassium ratio compare with Vively members your age?

Among 5,997 Vively members tested in 2024 to 2026, women aged 40 to 49 had a median sodium/potassium ratio of 33 (middle half 31 to 34). Men the same age: 32. The lab range is 26 to 41. A member median is not a target.

Vively member data
Sodium/potassium ratio by age and sex

The line is the median member at each age. The shaded bands show where most members sit. The dashed red lines are the lab range.

See the numbers as a table
GroupMembersMedianMiddle 50%5th to 95th percentileLab range
Women 18 to 292593231 to 3429 to 3626 to 41
Women 30 to 399733331 to 3429 to 3626 to 41
Women 40 to 491,1413331 to 3429 to 3626 to 41
Women 50 to 598563331 to 3429 to 3626 to 41
Women 60 and over4893331 to 3429 to 3726 to 41
Men 18 to 292653231 to 3328 to 3626 to 41
Men 30 to 396443231 to 3328 to 3626 to 41
Men 40 to 496983230 to 3328 to 3526 to 41
Men 50 to 594093230 to 3328 to 3626 to 41
Men 60 and over2633230 to 3428 to 3626 to 41

Vively members’ first blood test, January 2024 to October 2026 (5,997 members). Each group has at least 50 members. How we got these numbers.

Vively member data
Where you sit among Vively members

Pick your sex and age, then type your result.

Vively members’ first blood test, January 2024 to October 2026 (5,997 members). Each group has at least 50 members. How we got these numbers.

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