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Bicarbonate (HCO3-)
Bicarbonate is a naturally occurring alkaline compound that acts as a buffer to maintain pH balance in the body and water. It is commonly found in drinking water and plays a role in acid-base homeostasis.
Mineral or nutrientUpdated Nov 22, 2025
Health score+2.0
-5Good5
Water guidelines
- Legal limit
- Not specified
- Health guideline
- Not specified
Food and supplement guidelines
- Legal limit
- Not specified
- Health guideline
- Not specified
Risks
Rarely causes alkalosis in normal amounts, potential gastrointestinal discomfort at high doses
Benefits
Helps maintain acid-base balance, aids digestion, may improve exercise performance by buffering lactic acid
Waters containing Bicarbonate (HCO3-)
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