Sweat is a watery fluid and contains 99% water and large amounts of Sodium Chloride (NaCl).
It also contains some metabolic wastes like urea, uric acid and ammonia.
It also has Lactic acid, antibodies, Vitamin-D, amino acids and glucose.
It is normally acidic having pH 4 - 6.
They composition of sweat depends upon diet and heredity.
