Sódio Reposição

1000-1500 mg/h exercício intenso.
Created by
Renato Passos, Eng. de Software
Reviewed by
Renato Passos, Eng. de Software

Last updated: Apr 18, 2026

mg sódio
2.400

About this calculator

The sodium replenishment calculator is an essential tool for athletes and individuals engaging in intense physical activities. It helps determine the adequate amount of sodium needed to replenish losses during exercise, especially in long-duration activities or in hot and humid environments. Sodium replenishment is crucial to maintaining the body's electrolyte balance and preventing conditions like hyponatremia, which can be dangerous.

The formula used to calculate sodium replenishment is based on the amount of sodium lost per hour of exercise. Generally, a replenishment of 1000 to 1500 mg of sodium per hour of intense exercise is recommended. However, this amount may vary according to exercise intensity, body weight, and environmental conditions. The calculator considers these factors to provide a personalized estimate.

It's essential to use the sodium replenishment calculator in cases of prolonged exercises, such as marathons, triathlons, or high-intensity activities in hot environments. Additionally, athletes who sweat excessively or have a history of dehydration-related issues should pay special attention to sodium replenishment. Dehydration and excessive sodium loss can lead to serious health problems.

When using the calculator, it's crucial to be careful with the inserted variables, ensuring that the information is accurate to obtain a reliable estimate. Furthermore, it's recommended to consult a healthcare professional or a sports nutritionist for personalized guidance on sodium and other electrolyte replenishment during exercise.

Frequently asked questions

Why is it important to replenish sodium during exercise?

Sodium replenishment is crucial to maintaining the body's electrolyte balance and preventing conditions like hyponatremia, which can be dangerous.

How many mg of sodium should I replenish per hour of exercise?

Generally, a replenishment of 1000 to 1500 mg of sodium per hour of intense exercise is recommended.

Is the sodium replenishment calculator suitable for any type of exercise?

The calculator is especially useful for prolonged or high-intensity exercises, such as marathons, triathlons, or activities in hot and humid environments.

Can I use the calculator to determine the replenishment of other electrolytes?

No, the calculator is specific to sodium. It's recommended to consult a healthcare professional for guidance on replenishing other electrolytes.

Is it safe to use the calculator without medical guidance?

While the calculator provides an estimate, it's always recommended to consult a healthcare professional for personalized guidance, especially if you have specific health conditions.

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