Major Body Functions:

>An electrolyte that helps maintain acid-base balance
>Vital for muscle contraction and nerve impulses
>Helps with proper function of heart and kidneys
>Aids in regulation of blood pressure and water balance in cells

Deficiency Symptoms:

>Weakness, anorexia and nausea
>Listlessness, drowsiness and irrational behavior

Excessive Intake and Toxicity Symptoms:

>Cardiac Arrest