Chloride

mineral

Chloride is the most abundant negatively charged ion in the body's extracellular fluid. It is necessary for maintaining fluid and electrolyte balance, which supports cellular stability. It also contributes to the body's acid-base balance by helping to regulate pH levels. A primary role of chloride is as a component of hydrochloric acid in the stomach. This acid is required for breaking down food, activating digestive enzymes, and managing bacteria ingested with meals, which helps ensure efficient nutrient absorption and gastrointestinal health. Chloride works alongside sodium and potassium to facilitate nerve impulse transmission and muscle contraction. Maintaining adequate levels is important for proper neurological and muscular activity, as well as for overall hydration.

Natural sources
Table salt (sodium chloride)Sea saltSeaweedTomatoesLettuceCeleryOlivesRyeSome processed foods (due to added salt)

Ingredient forms

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Timing & Intake
AnytimeWith foodTake with Water, preferably with meals to minimize potential stomach upset.
This mineral is typically consumed through the diet as part of salt. When supplementation is necessary, it should be taken with food.
Daily Intake
RDA (Men)2300 mg
RDA (Women)2300 mg
RDI2300 mg
Optimal Dosage
Minimum2300 mg
Maximum3000 mg
Safety & Toxicity
Upper Limit (UL)3600 mg
Toxicity Threshold4000 mg
Toxicity EffectHypertension, fluid imbalance
3 safety notes
  • Individuals with kidney disease or heart failure should monitor chloride intake closely due to its impact on fluid balance and blood pressure.
  • Excessive intake of sodium chloride (table salt) is the most common cause of high chloride levels, which can lead to adverse health effects.
  • Consult a healthcare professional before supplementing, especially if you have pre-existing medical conditions or are taking medications.

Studies

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