what is the most likely source of chlorine?
â¢ It also regulates the alkali-acid balance in the blood. â¢ It involves in maintenance of proper fluid and electrolyte balance in the system. Natural Sources of Chlorine. Chlorine is present as sodium chloride in milk, water, other articles of diet etc. It is also found in wheat, barley, grains and pulses, fruits like melon, pineapple, and green leafy vegetables.