Product Reviews and Information for Urinary Tract Infection

5/30/2020

Cranberry for Cystitis in Men?

Cystitis (inflammation of the bladder) is common in men undergoing radiation therapy for prostate cancer. A study evaluated whether a cranberry supplement could reduce the incidence of cystitis in these men. Find out if it helped in our updated answer to the question: Are cranberry supplements helpful for men? Can they help with symptoms of prostatitis or urinary tract infections?

1/30/2024

Cranberry for Recurrent UTIs?

Did taking cranberry extract for one year reduce recurrent urinary tract infections (UTIs)? See what a recent study found in our Cranberry Juices and Supplements Review. Also see our Top Picks among cranberry juices and pills.

9/19/2024

Cranberry for Skin?

Did drinking a cranberry beverage improve women’s skin? Learn what a recent study showed in the What It Does section of our Cranberry Supplements Review, which includes our Top Picks among cranberry juices and supplements.

Also find out if cranberry helps treat or prevent urinary tract infections.

4/12/2024

D-Mannose for Preventing UTI?

Does D-mannose help prevent urinary tract infections? Find out what a recent study showed in the What It Does section of our D-Mannose Supplements Review. Also see our Top Picks for D-Mannose.

11/11/2024

Cranberry for Preventing UTIs

Were cranberry juice and supplements as effective as an antibiotic at preventing urinary tract infections (UTIs) in children in a recent analysis? Get the details in our Cranberry Review, which also reviews the evidence for women and UTIs and includes our Top Picks among cranberry juices and pills.

9/21/2019

Probiotic for the Urinary Tract?

Does taking a popular double-strain probiotic reduce the level of pathogenic microbes in the urinary tracts of women? See what a recent study found in the section about Vaginal bacterial infections of the Probiotic Supplements Review. Also see our Top Picks among probiotics.

4/10/2021

Cranberry and UTIs

Two popular cranberry supplements promoted for urinary tract health were compared in a clinical study that showed one to be 4 times as effective as the other at preventing the adhesion of UTI-causing bacteria in urine. Get the details in our article about Cranberry and UTIs.

7/27/2021

Cranberry for Men?

Can cranberry extract reduce urinary frequency, urgency, and infections in men with benign prostatic hyperplasia (BPH)? Find out in the What It Does section of our Cranberry Juices and Supplements Review. Also see our Top Picks among cranberry juices and supplements.

10/31/2023

PEA (palmitoylethanolamide) for Back Pain, Colds?

See the results of two recent clinical studies that evaluated PEA. One used PEA to treat low back pain/sciatica and the other to prevent or reduce symptoms of respiratory tract infections.

Also see: Do any supplements, like Nervive, help with nerve pain, like sciatica or diabetic neuropathy? and Do any supplements help prevent or treat a cold?

10/05/2021

Glycine for Urinary Frequency?

Can supplementation with the amino acid glycine improve symptoms of overactive bladder or reduce urinary frequency? See what a new study found in our updated answer to the question: Can glycine improve sleep or reduce nighttime urinary frequency?

2/17/2023

Vitamin D for Urinary Symptoms?

Does taking vitamin D reduce frequent urination and other lower urinary symptoms in men with low levels of vitamin D? See what a recent study found in the What It Does section our Vitamin D Supplements Review, which includes our Top Picks for vitamin D.

Also see: 9 Supplements That May Help Reduce Nighttime Urination (And 4 That May Not)

5/27/2022

Melatonin and Urinary Frequency

Can melatonin supplementation decrease nighttime urinary frequency in older women? See what a recent study found in the Concerns and Cautions section of the Melatonin Supplements Review.

10/21/2024

Magnesium to Reduce Urinary Frequency?

Does taking magnesium reduce the number of times a person with urinary frequency needs to urinate? Find out in the What It Does section of our Magnesium Supplements Review, which includes our Top Picks among magnesium supplements.

Also see: 10 Supplements That May Help Reduce Nighttime Urination (And 5 That May Not)

12/06/2020

Cranberry for Overactive Bladder?

Can cranberry supplements help with overactive bladder? See what a new study found in our article about Cranberry and Urinary Health.

4/27/2019

Vitamin D & Incontinence

Does giving high-dose vitamin D help women who have urinary incontinence? See what a recent study found in the What It Does section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D.

12/15/2018

Pycnogenol for Prostate?

Pycnogenol, a branded form of pine bark extract, is promoted for a variety of uses, including improvement of circulation, cognition, joint pain and vision. It was recently given to men with benign prostatic hyperplasia (BPH) to see if it would improve urinary symptoms. Find out if it worked, and learn if it helps with other conditions, in our updated answer to the question: What is Pycnogenol and does it work? >>

3/16/2019

Vitamin D for Overactive Bladder?

Vitamin D supplementation may help vitamin D-deficient people who suffer from urinary urgency or frequency. Get the details in the What It Does section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D supplements.

5/09/2023

Prostadine for Prostate & Urinary Health?

Prostadine is a supplement that claims to support prostate health and bladder control, but does it really work? Find out in our Prostate Supplements Review, which includes our Top Pick among prostate supplements.

Also see our article about  supplements to reduce nighttime urination.

2/10/2025

Saw Palmetto for BPH?

Did taking saw palmetto improve urinary symptoms among men with benign prostatic hyperplasia (BPH) in a recent study? Find out in the What It Does section of our Prostate Supplements Review, which includes our Top Pick among prostate supplements.

4/13/2019

Does Vitamin D Improve Cancer Survival?

Does giving high-dose vitamin D to people with cancer of the colon or other parts of the digestive tract improve survival rates? Find out what recent studies are showing in the What It Does section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D supplements.

9/04/2018

Glutamine for IBS?

Glutamine, an amino acid, plays a role in maintaining the digestive tract. Can taking it as a supplement help people with irritable bowel syndrome (IBS)? Find out what a recent study showed in the Glutamine section of the Muscle Enhancers Review.

10/04/2011

Saw Palmetto May Not Work

It's used by many men hoping to reduce urinary symptoms caused by benign growth of the prostate, or BPH, but a new, well-designed study suggests that it doesn't work. Some other recent research suggest the same. Even when doubling and tripling the standard dose, the high-quality saw palmetto extract used in the new study failed to provide benefit.

What should you do? You may want to consider a different supplement -- beta-sitosterol, a phytosterol. The evidence remains fairly good for beta-sitosterol. To find out more about saw palmetto, beta-sitosterol, and the supplements we have tested, see the Prostate Supplements Review. More >>

7/15/2022

Protection Due to Infection?

How well does a previous COVID-19 infection protect against BA.4/BA.5 infection? It depends on which COVID-19 variant caused the initial infection, according to a recent study.

11/15/2021

Protection from Past COVID Infection?

Find out if past COVID-19 infection protects against re-infection 12 months later based on two recent studies.

6/17/2015

High-Dose Vitamin D Increases Upper Respiratory Infections

A study among older people found that taking a high dose of vitamin D every 2 months increased the risk of upper respiratory infection by 48% compared to taking low-dose vitamin D daily. Infections lasted two days longer for those taking the high dose versus the low dose. For details, including dosage, as well as our test reports on vitamin D supplements, see the Vitamin D Supplements Review >>

9/20/2015

Adequate Vitamin D Reduces Frequent Respiratory Infections

A study in people with frequent respiratory infections found that taking vitamin D for one year resulted in fewer infections than taking placebo. In contrast, a similar study did not find a benefit. Why the difference? Find out in the Vitamin D Supplements Review >>

12/21/2021

Omicron Infection May Be Just As Severe As Delta

Data from the U.K. suggests that Omicron infections may be as severe as those from Delta, in contrast to earlier findings from South Africa.

Getting a booster dose appears to provide significant protection against symptomatic infection with Omicron.

6/05/2025

Probiotic for C. difficile Infection?

Did taking a probiotic along with antibiotics help treat C. difficile infection? Find out what a recent study showed in our Probiotic Supplements Review. Also see our Top Pick probiotic for preventing C. difficile infection.

5/06/2022

Omicron

Does Omicron infection protect against subsequent infections by new variants of Omicron, and do vaccines help? Find out what evidence suggests.

5/05/2025

Vitamin D & Cold Prevention

Does taking vitamin D during winter months reduce colds and other respiratory infections? Find out what a recent study showed in the Respiratory infection, colds, and influenza section of our Vitamin D Supplements Review, which includes our Top Picks for vitamin D.

Also see our article: Do any supplements help prevent or treat a cold?

8/22/2024

Does Allulose Increase Infection Risk?

Concern has been raised that the sweetener allulose might increase the risk of infection, but what is the evidence for this? Find out in the Allulose section of our article about sweeteners, which includes our Top Picks among sweeteners.

9/26/2024

Vitamin D to Prevent Winter Colds & Flu?

Does taking vitamin D help prevent respiratory infections during winter? Find out what a recent study showed in the Respiratory infections, colds and influenza section of our Vitamin D Supplements Review, which includes our Top Picks.

Also see: Do any supplements help prevent or treat a cold?

2/21/2024

Lumbrokinase for Cancer, Infection?

Can lumbrokinase help slow cancer progression or treat chronic infections such as Lyme disease? Find out in our article about lumbrokinase.

8/29/2023

Probiotic for H. pylori?

When being treated with antibiotics for H. pylori infection (a common cause of stomach ulcers), does taking a probiotic improve outcomes? Find out what a recent study showed in the H. pylori infection section of our Probiotic Supplements Review, which includes our Top Picks among probiotics.

Also see: 7 Supplements That May Help Treat Peptic Ulcers – And Some to Avoid.

6/21/2022

Vaccine Protection Against Omicron

How well do vaccines protect against Omicron? See how three vaccine doses compared to two doses, or to previous COVID infection, in protecting against symptomatic Omicron infection, based on a recent study.

1/28/2022

CBD To Reduce COVID Risk?

Use of a prescription formula was associated with lower risk of COVID-19 infection in a recent analysis, but there are important caveats to this finding. Get the details in the Colds, Flu, and Viral Infections section of our Review.

7/08/2022

Omicron BA.5 On the Rise

A new Omicron subvariant, BA.5, has become the dominant SARS-CoV-2 strain in the U.S. Find out how well this virus escapes protection from vaccination or previous infection, and learn if it causes more severe COVID-19 infection, in the Omicron section of our CL Answer about COVID-19 vaccines.

8/10/2021

Pfizer vs. Moderna for Breakthrough Delta Infections

A recent study suggests that Pfizer and Moderna are not equal in protecting against Delta infection. See the details in our article about COVID Vaccines.

7/24/2021

Cranberry for H. pylori Infection?

Can cranberry juice help treat H. pylori infection – a cause of stomach inflammation and ulcers? See what a new study found in the What It Does section of our Cranberry Juices and Supplements Review. Also see our Top Picks among cranberry juices and supplements.

7/03/2021

Probiotics for C. difficile infection?

New guidelines recommend against probiotics for treating or preventing C. difficile infection, one cause of diarrhea in people taking antibiotics. Find out why in the What They Do section of our Probiotic Supplements Review.

11/09/2021

COVID Booster & Risk of Spreading Infection

A booster reduces the amount of virus you produce if you get COVID, according to a recent study. This should help reduce the risk of spreading infection if you get COVID.

1/10/2017

High-Dose Vitamin D Reduces Respiratory Infections, But With a Risk

A study among older men and women found those who took high-dose vitamin D had fewer acute respiratory infections, but a greater number of falls. Get the details in the "What It Does" section of the Vitamin D Supplements Review >>

5/29/2014

Probiotic Gum for Throat Infections

A gum containing a probiotic has been found to significantly reduce the incidence of throat infections in children and has been approved to promote oral health and reduce bad breath. For more details, as well as our tests of probiotic supplements, see the update in the Probiotic Supplements Review >> 

9/02/2015

Probiotic Approved for Throat Infections

A branded probiotic lozenge can help reduce the frequency of certain throat infections, including strep, according to a health claim recently approved in Canada. Details about the product (which is also available in the U.S.) are found in the Probiotic Supplements Review >>

10/21/2015

Probiotic Shortens Respiratory Infections

Studies have shown probiotics to reduce the duration and severity colds when taken throughout a cold season. A new study in children shows short-term use of a probiotic -- started at the time a household member gets sick -- also significantly reduces the duration and severity of acute respiratory infections. For details, including our tests of probiotic supplements, see the Probiotic Supplements Review >>

7/06/2019

Infection from Probiotic

Although rare, be aware that infections have occurred in some people due to the probiotics they have taken. For details about recent cases, see the Concerns and Cautions section of the Probiotic Supplements Review. Also see our Top Picks among probiotics.

10/01/2019

Probiotic for Cold Symptoms and Gas

A study found that a particular probiotic strain reduced symptoms of upper respiratory infections, as well as gas, in children. For details see the Colds and acute respiratory infections section as well as the Bloating, gas, and abdominal pain section of the Probiotic Supplements Review. Also see our Top Picks for probiotics and kombucha.

6/09/2013

Does Vitamin D Prevent Ear Infection?

Maintaining adequate levels of vitamin D in children appears to reduce mild ear infections, but too much vitamin D may have a downside. Find out the details in our updated Vitamin D Supplements Review >>