yes
Sodium is not needed in large quantities, and when consumed in large doses, can lead to many health problems. However, some amount of sodium is necessary for the body to function.
essential nutrient
No, fluoride is not an essential nutrient. You can identify an essential nutrient by depriving yourself of the nutrient like vitamin C or Iodine as examples and if optimal health does not continue you have identified an essential nutrient. Dental caries are caused by oral bacteria and re-mineralization is not the solution.
essential
Mostly sodium chloride, but iodized salt will also contain sodium or potassium iodide. This is an additive put because iodine is a necessary nutrient that many people don't normally get enough of and is important for the health of your thyroid gland.
I don’t know right now
I don’t know right now
Water is the necessary device for the survival of life in this earth
Salt provides the muscle cells with the ability to contract themselves. Salt is also known to help carry signals from nerves called axons. Basically it helps move muscles and carries nerve impulses.
An essential nutrient is a nutrient required for normal body functions that either cannot be by by the body at all or cannot be make in amounts adequate for good health. Some types of essential nutrients include vitamins, dietary minerals, essential fatty acids and essential amino acids.
The one single most essential nutrient for all tissues in the body is water. It is the one that no cell can live without. Drinking plenty of water on a daily basis is important for good health.
Fibre can't be absorbed by the body, so it is not a nutrient.