There is often confusion surrounding this and this is mainly because different areas of the body work best at a different pH. For example, urine with a lower pH (more acidic) tends to inhibit the growth of bacteria, and urine that is high in ammonia (more alkaline or basic) may impede the body’s immune response to a urinary tract infection. One of the common causes of UTIs, the Proteus species of bacteria, actually makes the urine more alkaline through its self-preserving activities.
On the other hand, the bloodstream is ideally slightly alkaline, which I think is why we often say eating well supports an 'alkaline balance', so that's in terms of the pH of the bloodstream. However, I would try not to get too caught up in this; if you eat a healthy balanced diet rich in fresh foods, this should help support the correct pH in different places.
Cranberry products and Goldenrod tea may also help to keep recurrent UTI infections under control.
Do you have questions? Please feel free to ask.
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