Importance Score: 65 / 100 π΄
For approximately one million Britons grappling with urinary tract infections (UTIs) annually, the symptoms are invariably known: discomfort, frequent urination, and a painful burning sensation during urination. While antibiotics are commonly prescribed, numerous patients, particularly women, find that these medications are either ineffective or the infections swiftly recur. Emerging research suggests a natural UTI remedy may be available.
The Potential of D-Mannose for UTI Relief
Experts now suggest that these debilitating infections could, in certain instances, be both prevented and managed with a readily available dietary supplement, potentially costing as little as 50p per day.
Previously, Dr. Ellie Cannon shared in her Mail on Sunday column her initial reservations about supplements. However, she expressed being impressed by the positive feedback from patients regarding a supplement known as D-mannose.

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Following her column, numerous readers contacted her, attesting to the substantial improvements in their health after incorporating D-mannose into their daily routine.
Real-Life Success Stories With D-Mannose
- Jane Ellaby, 75, from near Sheffield, had struggled for years with cystitis. D-mannose has helped eliminate her symptoms. She stated, “I’ve recommended this supplement to several friends who’ve also had positive results.”
- Maureen Mathieson, 57, from Ayrshire, has been using D-mannose for five years. She reported, “I regularly suffered from UTIs which made me miserable β despite repeatedly taking antibiotics. A nurse suggested D-mannose, and it’s been really successful.”
- Elaine Leake, 75, from Durham, experienced up to six bladder infections each year, requiring consistent antibiotic use. Upon a urologist’s recommendation of D-mannose, she noted, “I haven’t had a bladder infection since April 2021.”
The Medical Perspective on D-Mannose
Dr. Cat Anderson, a general practitioner specializing in women’s health, emphasizes the significant benefits of D-mannose.
She explains: “People who haven’t suffered UTIs tend to underestimate how devastating they can be. At worst, patients can be peeing up to 50 times a day: they don’t sleep, they become depressed and run-down, their immune system takes a hit. Finding something like D-mannose that actually helps is incredibly valuable.”
Each year, more than a million individuals in Britain, with women comprising 80% of cases, develop a urinary tract infection (UTI) affecting the bladder, urethra (the tube transporting urine from the bladder), or kidneys. In most instances, bacteria present in the urinary tract, specifically E. coli, are the primary cause, responsible for up to 90% of cases.
D-mannose, a form of sugar molecule present in various fruits and vegetables, is available as a dietary supplement in tablet or powder form.
It is not absorbed by the body and is swiftly eliminated through urine. Proponents believe that as it travels through the urinary tract, the molecule attaches to harmful bacteria, facilitating their removal before they can initiate infection.
Dr. Anderson elaborates: “It’s a bit like rolling a sticky dough-ball in flour. The bacteria β especially E.coli β bind to the D-mannose molecules rather than to bladder cells.”
Scientific Debate Surrounding D-Mannose
Research on D-mannose is varied, and it is not currently prescribed by the NHS.
The National Institute for Health and Care Research (NIHR) released a study earlier this year, concluding that D-mannose does not prevent UTIs.
Conversely, a German study published in 2022 in the journal Antibiotics reported that D-mannose resulted in “very good clinical cure rates” in patients experiencing acute cystitis.
The Need for Further Research
Dr. Anderson remains optimistic that future, more comprehensive research will firmly establish the value of this supplement. She stated:
“You have to pump millions into high-grade clinical trials, but UTIs aren’t an area like cancer or heart disease that attracts funding. But if these trials were performed, I can guarantee D-mannose would deliver. Until then, there’s nothing better than experiential evidence β speaking to patients and listening to what they say works.”
Expert Opinions on D-Mannose
Ased Ali, a consultant urological surgeon at Pinderfields Hospital in West Yorkshire and also a member of the medical panel for charity Bladder Health UK, suggests that as D-mannose has a low risk of side effects it could be considered for patients plagued by UTIs.
He adds: “I’ve seen some very positive results in practice. Given its low risk, I think it’s reasonable to consider D-mannose as part of a broader approach to UTI prevention.”
Sue Molt, 75, from Rochdale, a MoS reader, seconds this recommendation. She affirmed: “Finally I found something that helped my problem β and I’ve never looked back.”