Sodium
Sodium (Na) has a salty taste.

Combined with chloride and potassium sodium regulates fluid balance in the body, it is necessary for nerve and muscle activity, for the activation of enzymes.
Most often sodium is taken with salt-containing products.
Every day you need 3000 mg of sodium and 3000 mg of chloride. Athletes need more sodium.
Sodium deficiency can cause weakness and seizures, even up to the circulatory collapse, especially in sports.
Caution: Sodium is not the same as cooking salt.
If there is a lot of physical activity, the amount of sodium needed per day may increase.
We often hear alerts on sodium overdoses, usually associated with salt in the diet. The cooking salt is a chemical compound - sodium chloride.
Mineral waters typically contain sodium in the form of sodium bicarbonate and only very small amounts such as sodium chloride.
If you are considering a low salt diet, use mineral water with low sodium content.
Food that contains this element the most.
