ANSWER: It is known to help some people but not all..

D-mannose is a type of sugar that is often used as a natural remedy for urinary tract infections (UTIs). While some people claim that it can be effective in treating and preventing UTIs, there is some scientific evidence to support these claims. It is always best to consult with a healthcare provider before using any natural remedy for a medical condition.

Advice on NHS Website: Ways to prevent some UTIs coming back, If you keep getting a bladder infection (cystitis), there is some evidence it may be helpful to take: D-mannose – a sugar you can buy as a powder or tablets to take every day

See The NHS article at

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