Chemical Symbol



Chlorine is able to exist in our bodies in the form of chloride, it is an essential mineral and also functions as an electrolyte. Chloride combines with hydrogen in the stomachs to make stomach acid or hydrochloric acid.


Chloride functions as an electrolyte, creates hydrochloric acid and helps maintain acid – base balancing in our bodies.

Forms Available

Recommended Intake


  • Up to 6 months old: 0.18 grams per day (g/day)
  • 7 to 12 months: 0.57 g/day


  • 1 to 3 years old: 1.5 g/day
  • 4 to 8 years old: 1.9 g/day
  • 9 to 13 years old: 2.3 g/day

Adolescents and Adults

  • 14 to 50 years old: 2.3 g/day
  • 51 to 70: 2.0 g/day
  • 71 and older: 1.8 g/day

These amounts reflect the Adequate Intake (AI) values.


A deficiency in chloride is known as alkalosis. Since most chloride comes from salt or sodium chloride, it may occur when there is excessive sodium loss like excessive sweating or vomiting. Some symptoms of deficiency are muscle weakness, loss of appetite and lethargy. Athletes are most at risk for deficiency during endurance training and exercise.

Sources in the Diet

Some sources of chloride include salt, processed meats, cheese, kelp, olives and some breads.

Recent Studies and Articles

The omportance of sodium-potassium levels

The benefits of chloride in the body

Benefits of magnesium chloride

Challenges Presented

Watson Products


  1. [] – Reavley N. The New Encyclopedia of Vitamins, Minerals, Supplements and Herbs. New York, NY: M. Evans and Company, Inc.; 1998.
  2. [] – Nelms, M. Sucher, K. Lacey, K. Roth, S. Nutrition Therapy & Pathophysiology. 2 ed. New York, NY: Cengage Learning; 2011.
  3. [] – Boyle, Marie A. and Anderson Sara L. Personal Nutrition. 7th ed. Belmont, CA: Wadsworth/Thomson Learning; 2007.
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