D-mannose is a type of naturally occurring sugar. There is ongoing research on its uses, which may include the treatment of urinary tract infections (UTIs).
This article looks at what D-mannose is, how it may interact with UTIs, and its side effects and risks.
What is D-mannose?
D-mannose is a type of sugar that some people believe may help treat UTIs.
It may work by making it more difficult for the bacteria that are responsible for UTIs to attach themselves to the urinary tract.
D-mannose naturally occurs in a variety of fruits and vegetables, including:
- aloe vera
Historically, people have used D-mannose to treat UTIs in animals. Now, scientists are interested in whether it could also treat and prevent UTIs in humans.
According to a 2017 study, women with recurrent UTIs usually receive a low-dose antibiotic for 6 to 12 months after infection. While research has proven this to be effective, there is a risk that long-term antibiotic use will increase the likelihood of bacteria becoming resistant to antibiotics.
For this reason, scientists are trying to develop nonantibiotic treatments for common bacterial infections, such as UTIs. D-mannose may be one possible treatment.
UTIs occur when bacteria infect a person’s urinary tract, which includes the kidneys, bladder, and urethra.
According to the Office on Women’s Health, the most common UTI occurs in a person’s bladder. This UTI is sometimes called cystitis. UTIs are more likely to affect women than men.
UTIs can cause the following symptoms:
- pain when urinating
- a frequent urge to urinate
- feeling tired, shaky, or confused (especially for older people)
- cloudy or foul-smelling urine
It is common for UTIs to recur, with 40 percent of women getting another UTI within 6 months of the previous one.
Due to the lack of research to date, it is difficult to determine either the right dosage of D-mannose or the form that people should take it in.
It is likely that the correct dosage for treating an active UTI will differ from that for preventing UTIs from recurring.
In one study, participants who had received initial antibiotic treatment for a UTI drank 2 grams of D-mannose powder dissolved in water each day for 6 months.
This quantity seemed to be effective and safe. However, without further research, the optimal dosage remains unclear. As a result, it is advisable to speak with a doctor before taking D-mannose supplements.
D-mannose seems to have potential as a UTI treatment. However, the research that indicates this is still very new. Larger, more rigorous studies are necessary to confirm these initial findings.
More research can help provide accurate information about the potential side effects and risks of D-mannose, as well as confirming an appropriate dosage.
Until then, it is vital to speak to a doctor before taking D-mannose supplements.
D-mannose is available in some health food stores and online.
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