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Your blood pH cannot be shifted by a menu.

The pH of extracellular fluid is held tightly between about 7.32 and 7.42. Three systems interlock: the bicarbonate buffer chemically, the lungs via CO2 exhalation within seconds, and the kidneys via bicarbonate excretion more slowly. Below that range is acidaemia, above it alkalaemia.

Useful: What the body regulates this tightly is rarely a lever for dietary promises.

Source: en.wikipedia.org

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