Product Reviews and Information for Urinary Tract Infection
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CL Answer
Do probiotics help prevent urinary tract infections?
Find out if probiotics can help to prevent urinary tract infections (UTIs). Plus, information about other supplements that may help for UTIs, including cranberry and D-mannose. ConsumerLab.com's answer explains.
Product Review
Cranberry Juices and Supplements Review
CL's Tests Show Which Cranberry Juices and Supplements Are Best and Cost the Least
Product Review
D-Mannose Supplements
Find out if D-mannose helps prevent urinary tract infections and how products compare.
CL Answer
Are cranberry supplements helpful for men? Can they help with symptoms of an enlarged prostate, prostatitis, or urinary tract infections?
Learn more about how cranberry pills, cranberries, cranberry juice and supplements can help prevent urinary tract infections.
CL Answer
What are the health benefits of grapefruit seed extract (GSE)? Is it safe?
Learn more about grapefruit seed extract health benefits, including its possible antifungal and antibacterial effects and its safety.
CL Answer
Can D-mannose help prevent urinary tract infections?
Learn more about D-mannose and its impact on urinary tract infections (UTIs), including evidence from clinical studies.
CL Answer
Is it true that drinking a small amount of hydrogen peroxide (H2O2) with water can kill bacteria in the urinary tract or help in other ways? Is this safe -- or is it dangerous?
Drinking or eating hydrogen peroxide (H2O2) can be dangerous and is not advised. Learn more treatments for urinary tract infections.
Clinical Update
11/12/2019
A Chew for UTIs?
A study investigated whether a cranberry chew could inhibit infection-causing bacteria from binding to cells (which is necessary for urinary tract infections to occur) by testing participants' urine. Find out if it worked in our answer to the following question: Can cranberry juice or cranberry supplements prevent urinary tract infections (UTIs)?
Product Review
Mangosteen Juice and Supplements Review Article
What Are the Benefits of Mangosteen Juice and Supplements? Find Out What Mangosteen Can and Cannot Do For Your Health.
Clinical Update
10/11/2022
Uqora for UTIs (urinary tract infections)?
Uqora-Flush, a combination of D-mannose and other ingredients, is promoted for urinary tract health, but what is the evidence and is it worth the high price? Find out in our updated CL Answer about D-mannose for UTIs.
Clinical Update
12/14/2021
D-Mannose for Urinary Tract Infections?
See the latest research on whether D-mannose helps prevent UTIs.
Clinical Update
12/30/2021
Comparison of D-Mannose Products – Used to prevent UTIs
We added comparisons of several brands of D-mannose to our answer to the question: Can D-mannose help prevent urinary tract infections?
Clinical Update
12/19/2023
Cranberry for UTIs?
Cranberry juice and supplements may help prevent urinary tract infections, but can they treat an existing infection? See what a recent review of the evidence concluded in our Cranberry Juice and Supplements Review. Also see our Top Pick cranberry juice and pills.
Clinical Update
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.
Clinical Update
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.
Clinical Update
7/11/2023
Who Benefits Most from Cranberry for UTIs?
A review of 50 clinical studies with cranberry for UTIs suggests who might benefit most. Find out in the Urinary Tract Infections section of our Cranberry Supplements Review.
Also see our Top Picks among cranberry juices and pills.
Clinical Update
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.
Clinical Update
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.
Clinical Update
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?
Clinical Update
10/07/2022
D-Mannose from Food?
A CL Member asked if it's possible to get a meaningful amount of D-mannose from food. Find out in our article about D-mannose and urinary tract infections, which includes information about D-mannose dosage and possible side effects.
CL Answer
10 Supplements That May Help Reduce Nighttime Urination (And 5 That May Not)
Waking up more than once during the night to use the bathroom? Learn more about the 9 supplements that may help and 5 others that don't.
CL Answer
What are the health benefits of manuka honey, and is it safe?
Manuka honey health benefits, how it differs from common, store-bought honey, safety, evidence for using manuka honey for wounds, sore throat and cough, constipation and more.
CL Answer
Can vitamin C or other supplements cause blood in the urine and painful urination?
Find out if vitamin C or other supplements including cranberry, garlic, and vitamin D can cause bloody or painful urination.
CL Answer
Can lemon juice, lemonade, or other juices reduce my chances of getting kidney stones?
Information about lemon juice, lemonade, orange juice, cranberry juice and other juices for increasing urinary citrate and reducing the risk of kidney stones.
News Release
December 14, 2023
Best D-Mannose Supplements for UTIs? ConsumerLab Selects Its Top Picks
White Plains, New York, December 14, 2023 — D-mannose, a naturally occurring sugar, is often taken as a supplement to help prevent or treat urinary tract infections, although more research is needed to prove it’s effective.
News Release
July 09, 2021
Best Cranberry Juices and Supplements for Urinary Tract Infections
White Plains, New York, July 9, 2021 — Recent ConsumerLab tests of popular cranberry juices and supplements revealed that some products contained substantial amounts of key cranberry compounds that may help reduce the risk of urinary tract infections (UTIs), while others contained only small ...
Clinical Update
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.
CL Answer
Does AZO Bladder Control really work for overactive bladder?
AZO Bladder Control information, including results from clinical studies on bladder control, dosage, and safety.
CL Answer
Are some probiotics dangerous? I've heard that Bacillus subtilis, a soil-based probiotic, can cause infections.
Find out if soil-based probiotic supplements are safe to take. Information about side effects, allergic reactions, infections and more.
CL Answer
8 Supplements That May Help Treat Peptic Ulcers – And Some to Avoid
Peptic ulcers caused by H. pylori infection are typically treated with antibiotics, but certain supplements may also help. Find out which 8 supplements might be beneficial - and which should be avoided.
CL Answer
What are the health benefits of tart cherry juice?
See the evidence for tart cherry juice health benefits from clinical studies. Find out if tart cherry has anti-inflammatory effects, if it can improve sleep, lower high blood pressure, or help for muscle pain and osteoarthritis.
Product Review
Probiotic Supplements Review (Including Pet Probiotics)
Probiotics: See What They Really Contain and Our Top Picks
CL Answer
Can any supplements reverse gray hair?
Nearly 75% of adults aged 45 to 65 are affected by gray hair. Learn about what causes gray hair and find out if any supplements can help.
Recalls & Warnings
August 16, 2023
FDA Warns Sun Ten Laboratories for Manufacturing Violations, Drug Claims
On April 7, 2023, the FDA issued a warning letter to STPCA Inc. dba Sun Ten Laboratories because products were found to be adulterated because they were prepared, packed, or held under conditions that do not meet Current Good Manufacturing Practices (CGMP).
CL Answer
Is ingesting colloidal silver helpful for any condition and is it safe to use?
Find out if there is evidence showing colloidal silver can help to treat infections, boost the immune system, help with arthritis and more, plus find out if colloidal silver can cause blue skin or other side effects.
CL Answer
Can a probiotic help men with prostatitis?
Learn more about prostatitis, the effects of probiotics on prostatitis, and other natural treatments.
CL Answer
Have you heard of the probiotic, Keybiotics? Does it do what it claims, and is it worth the money they charge?
Whole Body Research Keybiotics probiotic information, including its ingredients and possible cheaper alternatives.
Product Review
Prostate Supplements Review (Saw Palmetto and Beta-Sitosterol)
Find the Best Prostate Supplement for Symptoms of BPH. See Which Prostate Supplement Passed or Failed CL's Tests of Quality.
CL Answer
Does Z-Stack multivitamin work to boost the immune system, and is it safe?
Find out about Z-Stack, including if it can help boost the immune system and if it is safe to use at the suggested dose.
CL Answer
Do any supplements help for irritable bowel syndrome (IBS)?
IBS supplements may help reduce irritable bowel symptoms such as pain, diarrhea and constipation. Supplements include probiotics, melatonin, and flaxseed.
CL Answer
Can coconut water prevent or dissolve kidney stones?
Find out if coconut water can help prevent kidney stones, or dissolve them, by increasing urinary citrate, or if there are better ways. ConsumerLab.com's answer explains.
Clinical Update
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.
CL Answer
What are the health benefits of chlorophyll and chlorophyllin, and are they safe?
Chlorophyll supplements are promoted for reducing body odor, preventing cancer, removing toxins from the body, improving digestive conditions and other uses, but do they work and are they safe? Find out and learn if such supplements actually contain chlorophyll.
Clinical Update
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.
CL Answer
Can cocoa and chocolate cause kidney stones?
Find out if cocoa and chocolate can cause kidney stones, such as calcium oxalate kidney stones, the amount of oxalates found in cocoa powders and chocolate bars, and more. ConsumerLab.com's answer explains.
Recalls & Warnings
December 22, 2021
FDA Warns Seller of Liquid Magnesium, B-12, Berberine & More
On December 9, 2021, the FDA issued a warning letter to Wholly Liquid Nutritional Supplements LLC because it found statements on the company's website and social media about its products, including SpiroLaze, BioLaze, LiquiLaurin, VIT-B12, DeStress, and Omega Plus, to be ...
Clinical Update
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?
CL Answer
What is Prelief? Does it really help for heartburn and/or bladder pain from acidic foods?
Prelief information, including what it has been claimed to do (such as helping with painful bladder, frequent urination, heartburn or indigestion from acidic foods), clinical evidence, and safety.
CL Answer
Do detox supplements work and are they safe?
Detox supplements are promoted for removing toxins such as heavy metals from the body, but does research support their use and are such supplements safe?
CL Answer
Are lozenges and sublingual pills considered dietary supplements?
Learn more about lozenges and sublingual pills (such as echinacea, zinc and B12) including safety warnings.
CL Answer
Titanium dioxide is listed as an ingredient in my supplement. Is it safe?
Titanium dioxide in supplements might have you concerned. Learn more about titanium dioxide - FDA status and evidence from studies on cancer.
CL Answer
I take warfarin (Coumadin), an anticoagulant drug. Are there supplements I should avoid, or be taking, due to this drug?
Find out which supplements should be avoided when taking blood thinners (anticoagulants) like warfarin (Coumadin), including vitamin K, St. John's wort, and curcumin.
CL Answer
Risks of Too Many Vitamins & Supplements
Taking too many vitamin supplements -- or taking too much of a particular supplement -- can have short and long-term adverse effects.
CL Answer
Do any supplements help with COVID-19? Do supplements like vitamin D, zinc, vitamin C, or herbals work?
Find out if natural remedies & supplements for coronavirus such as zinc, vitamin C, garlic, or elderberry help to prevent or treat COVID-19.
CL Answer
Which vitamins and supplements should be stopped before getting blood work, laboratory tests, or medical imaging?
Find out which vitamins and supplements can interfere with blood, urine or stool tests, and imaginging tests, like bone scans and MRIs. Learn how B vitamins such as biotin, niacin and riboflavin, as well as calcium supplements, St. John’s wort, vitamin C, and others supplements can affect test results, as well as common foods that may interfere with tests.
Clinical Update
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?
CL Answer
Can glycine improve sleep, reduce depression, or reduce nighttime urinary frequency?
Can glycine really help improve sleep, reduce depression, or reduce nighttime urinary frequency? Lean more about glycine and its uses and benefits.
CL Answer
Just one dose of a horse chestnut extract (standardized to 20% aescin) caused me to have significant nausea and vomiting. Might there be a problem with the product?
Find out if horse chestnut extract side effects, including gastrointestinal discomfort such as nausea and vomiting, and other safety information about horse chestnut.
CL Answer
What are the health benefits of bovine colostrum and is it safe?
Bovine colostrum is promoted for boosting immunity, preventing and treating diarrhea, and improving gut health, but does it really work? See the clinical evidence for bovine colostrum, including doses that have been used, as well as safety concerns, cost considerations, and the difference between regular bovine colostrum and hyperimmune bovine colostrum.
Recalls & Warnings
August 01, 2022
53 Protein, Meal Replacement and Nutritional Beverages Recalled Due to Bacterial Contamination
On July 29, 2022, Lyons Magnus LLC issued a recall of 53 protein, meal replacement, and nutritional beverages, including those sold under the brand names of Glucerna, Premier Protein, Oatly, and others, due to the potential for microbial contamination, including from Cronobacter sakazakii.
CL Answer
Do probiotics really help prevent or treat vaginal yeast infections?
Information on using probiotics for treating and preventing yeast infections, including evidence from clinical studies.
CL Answer
Which supplements and foods reduce or increase the risk of kidney stones?
Find out which supplements, foods and beverages may increase or decrease the risk of kidney stones, including information about potassium, calcium, choline, turmeric and curcumin, vitamin C, as well as foods and beverages such as green tea, lemon juice, orange juice, cranberry juice, chocolate and almonds.
CL Answer
I read that famotidine (Pepcid) may help treat COVID-19. Is this true? Might a proton pump inhibitor, like Prilosec, help?
Pepcid (famotidine) was reported to improve outcomes in people with COVID-19 in China. But is there evidence that Pepcid really helps to treat COVID-19?
CL Answer
Dandelion Tea & Supplements: Health Benefits and Safety
Find out about the potential health benefits of dandelion tea and supplements, as well as safety, side effects, and potential drug interactions.
Clinical Update
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)
Clinical Update
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.
Clinical Update
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)
CL Answer
Is it okay to take a zinc supplement while I am on an antibiotic for a respiratory infection?
Does zinc interfere with the absorption of antibiotics? Learn more about this and other effects in the body.
CL Answer
Should I be concerned about pyrrolizidine alkaloids in herbal supplements?
Find out which herbal supplement ingredients contain pyrrolizidine alkaloids (PAs), learn why these constituents are a safety concern, and find out how supplements containing these ingredients are regulated in the U.S. and Europe.
CL Answer
Which supplements or OTC medications help reduce flatulence (gas), and are there any that make it worse?
Find out which supplements may help reduce flatulence (gas), and learn which supplements or foods may worsen symptoms of flatulence.
CL Answer
Body Odor: Supplements & Foods That May Help, or Make It Worse
Some people with adequate personal hygiene still experience body odor. Learn if taking supplements such as activated charcoal, champignon extract, copper chlorophyllin, L-carnitine, N-acetyl cysteine (NAC), or other ingredients might help or make body odor worse.
CL Answer
Is Greek yogurt a good source of protein?
Find out if Greek yogurt is a good source of protein, how much protein it contains, and what type of protein it contains..
CL Answer
I read that sterol supplements to lower cholesterol like CholestOff can block the absorption of vitamins. Is that true?
Find out if CholestOff and other sterol supplements can block vitamin absorption in the body and other safety concerns.
CL Answer
Do any supplements or foods benefit people with Crohn's disease? Are there any supplements that should be avoided?
Find out the most common vitamin and mineral deficiencies in people with Crohn's disease, including iron, B6, B12, vitamin D, zinc and others, plus evidence for N-acetyl-glucosamine (NAG), fish oil, and curcumin.
Clinical Update
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.
Clinical Update
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? >>
Clinical Update
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.
Clinical Update
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.
Clinical Update
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.
Clinical Update
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.
Clinical Update
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.
Clinical Update
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 >>
Clinical Update
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.
Clinical Update
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.
Clinical Update
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.
Clinical Update
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 >>
Clinical Update
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 >>
Recalls & Warnings
July 26, 2023
Five Leaf Pet Botanicals Warned by FDA for Drug Claims
On June 22, 2023, the FDA issued a warning letter to Five Leaf Pet Botanicals, Inc.
Clinical Update
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.
Clinical Update
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.
Clinical Update
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.
Clinical Update
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.
Clinical Update
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.
Clinical Update
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.
Clinical Update
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 >>
Clinical Update
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 >>
Clinical Update
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 >>
Clinical Update
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.
Clinical Update
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 >>
Clinical Update
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 >>
Clinical Update
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.
Clinical Update
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.
Clinical Update
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.
Clinical Update
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.
Clinical Update
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.
Clinical Update
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.
Clinical Update
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.
Recalls & Warnings
February 21, 2013
Nutrition Drink Recalled Due To Bacterial Contamination
On February 21, 2013, Sequel Naturals Ltd. issued a voluntary recall of three lots of Vega One French Vanilla nutritional shake due to bacterial contamination.
Recalls & Warnings
February 13, 2013
Manufacturer of Heart, Multivitamin, Cranberry, and Longevity Supplements Warned For Adulteration and Drug Claims
On January 29, 2013, the FDA issued a warning letter to M.D.R. Fitness Corp. following a facility inspection which found violations of good manufacturing practices which cause the company's products to be adulterated.
Recalls & Warnings
June 21, 2011
FDA Seizes Probiotics Over Marketing Claims
On June 7, 2011, the U.S. FDA announced that, at its request, U.S. Marshals seized probiotic products from UAS Laboratories, Inc., of Eden Prairie, Minn. because the company markets the products as drugs.
Recalls & Warnings
May 03, 2013
Maker of Omega-3, Saw Palmetto, St. John’s Wort Supplements And More Warned For Manufacturing Violations and Drug Claims
On March 19, 2013, the FDA issued a warning letter to Sunset Natural Products Inc.
Recalls & Warnings
October 24, 2012
Manufacturer of Green Tea, Vitamin E, Omega-3 and Cranberry Supplements Warned For Manufacturing Violations, Misbranding and Drug Claims
On October 16, 2012, the FDA issued a warning letter to dietary supplement manufacturer Advanced Nutritional Technology Inc.
Recalls & Warnings
February 06, 2023
FDA Warns Companies Promoting Products to Treat Monkeypox, COVID-19, & Other Viruses
On January 30, 2023, the FDA issued a warning letter to four companies following review of the company websites, which found statements about company products to be drug claims because they were promoted to mitigate, prevent, treat, diagnose, or cure viruses such as monkeypox.
Recalls & Warnings
September 28, 2022
FDA Warns Muscle Sports for Joint Health, Immune & Workout Supplement, Vitamin C, Elderberry, and Other Claims
On September 23, 2022, the FDA issued a warning letter to Muscle Sports Products, LLC following inspection of the company’s websites which found statements about company products, including Join Revolution Capsules, IMMUNITY + Powder, Rhino Rampage PUMPED Capsules, Attack Pre-Workout ...
Recalls & Warnings
July 22, 2022
FDA Warns Seller of Vision, Calcium & Magnesium Supplements and More
On June 14, 2022, the FDA issued a warning letter to New Sun Inc. following inspection of the company’s website which found statements about the company’s products to be drug claims.
Recalls & Warnings
March 26, 2019
Seller of NeuSilver Colloidal Silver for Adults, Children and Pets Warned by FDA
On February 19, 2019, the FDA issued a warning letter to iMedDo, Inc., following a review of the company's website, http://www.imeddo.
Recalls & Warnings
February 21, 2013
Pet Supplement Company Issues Recall Due To Potential Bacterial Contamination
On February 20, 2013, animal supplement company Nutri-Vet, LLC issued a recall of Nutri-Vet and NutriPet Chicken Jerky Products because they may be contaminated with Salmonella.
Recalls & Warnings
February 06, 2023
Recalled Eye Drops Linked to Vision Loss and One Death
On February 2, 2023, Global Pharma Healthcare issued a nationwide recall of its Artificial Tears Lubricant Eye Drops due to potential contamination with bacteria that can cause serious infection, blindness, and death.
Recalls & Warnings
March 23, 2023
FDA Warns Herbal Vitality for Promoting Supplements to Treat Cold & Flu, Kidney Stones & More
On March 7, 2023, the FDA issued a warning letter to Herbal Vitality, Inc.
Recalls & Warnings
June 22, 2010
Pet Vitamin Recalled for Salmonella Risk
On June 22, 2010, the FDA reported that United Pet Group, Cincinnati, Ohio is voluntarily recalling all unexpired lots of its PRO-PET ADULT DAILY VITAMIN Supplement tablets for Dogs due to possible Salmonella contamination. This product is not among those included in ConsumerLab.
Recalls & Warnings
November 28, 2014
Seller of Herbal Extracts Warned for Manufacturing Violations, Drug Claims
On November 3, 2014, the FDA issued a warning letter to Avena Botanicals, Inc.
Recalls & Warnings
July 18, 2010
Expansion of Pet Supplement Recall for Salmonella Risk; Many Brands Affected
On July 2, 2010, the U.S.
Recalls & Warnings
April 02, 2021
FDA Warns Sellers of Prostate, Reishi, Immune Products, and More
On March 16, 2021, the FDA issued warning letters to two companies following reviews of their websites which found statements made about the companies' products to be drug claims.
Recalls & Warnings
September 14, 2016
Seller of Aloe, Prostate and Joint Supplements Warned for Manufacturing Violations
On April 8, 2016, the FDA issued a warning letter to Salud Natural Entrepreneurs, Inc.
Recalls & Warnings
June 06, 2017
Seller of Vision, Cholesterol, Prostate Supplements and More Warned for Drug Claims
On May 25, 2017, the FDA issued a warning letter to Herbal Doctor Remedies following a facility inspection and review of the company's websites, www.herb-doc.com, www.ChinaSecretMed.com and www.theraherb.
Recalls & Warnings
September 07, 2012
Prebiotics Recalled For Salmonella Risk
On September 4, 2012, Eco Health, Inc. announced a recall of its florAlign Prebiotic Formula (Powder) due to the potential for the product to be contaminated with Salmonella.
Recalls & Warnings
December 23, 2017
Seller of Meal Replacement, Protein Drinks, Cranberry and More Warned for Manufacturing Violations
On July 6, 2017, the FDA issued a warning letter to Professional Botanicals, Inc.
Recalls & Warnings
April 29, 2020
Benefiber Prebiotic Fiber Supplements Recalled Due to Possible Plastic Contamination
On April 28, 2020, GSK Consumer Healthcare recalled one lot of Benefiber Healthy Shape Prebiotic Fiber Supplement powder and four lots of Benefiber Prebiotic Fiber Supplement powder because they have the potential to be contaminated with green plastic pieces or shavings from bottle ...
Recalls & Warnings
August 22, 2012
FDA Warns of Life-Threatening Side Effects and Withdrawal Symptoms from Two Arthritis, Muscle Pain Supplements
On August 21, 2012, the FDA issued a warning to consumers about the dangers of taking Reumofan Plus and Reumofan Plus Premium, two dietary supplements marketed for arthritis, osteoporosis and muscle pain.
Recalls & Warnings
February 21, 2013
FDA and FTC Warn: Supplements Cannot Prevent, Treat Or Cure Cold And Flu
On February 11, 2013, the FDA and the Federal Trade Commission (FTC) jointly issued warning letters to three dietary supplement companies regarding their potential illegal marketing of products to prevent, treat or cure flu virus.
Recalls & Warnings
January 21, 2018
Men's Fiber Supplement Recalled
On January 21, 2018, Break Ventures/California Basics recalled of its fiber supplement for men, Zero for Him (150 count) due to possible Salmonella contamination.
Recalls & Warnings
May 08, 2018
Badger Botanicals Kratom Recalled
On May 4, 2018, 2018 Badger Botanicals issued a recall of its Green Suma, Red Suma, Green Hulu 2, and Red Hulu 2 kratom dietary supplements because they have the potential to be contaminated with Salmonella.
Recalls & Warnings
April 21, 2018
Triangle Pharmanaturals Expands Recall of Kratom Products
On April 17, 2018, Triangle Pharmanaturals, LLC, expanded its original recall of kratom-containing products to include 26 additional kratom products.
Recalls & Warnings
April 21, 2018
NxtGen Botanicals Maeng Da Kratom Recalled
On April 18, 2018, NGB Corp. of West Jordan, Utah issued a recall of NxtGen Botanicals Maeng Da Kratom labeled bottles of encapsulated product because they have the potential to be contaminated with Salmonella. To date, one illness has been reported to the FDA.
Recalls & Warnings
April 21, 2018
NutriZone Expands Recall of Kratom Products
On April 18, 2018 NutriZone LLC expanded its original recall of kratom-containing products to include 29 additional kratom products.
Recalls & Warnings
April 09, 2018
Kratom Powders and Capsules Recalled Due to Salmonella Risk
On April 5, 2018, Club 13 issued a recall of certain kratom powders and capsules because they have the potential to be contaminated with Salmonella.
Recalls & Warnings
March 23, 2018
PDX Aromatics Expands Recall of Kratom Products
On March 22, 2018, PDX Aromatics of Portland, Oregon DBA Kraken Kratom, Phytoextractum, and Soul Speciosa expanded their initial recall of certain kratom-containing powder products because they have the potential to be contaminated with Salmonella.
Recalls & Warnings
February 27, 2018
Dog Treats, Food Recalled Due to Salmonella, Listeria Risk
The following dog treats and dog food are being recalled because they have the potential to be contaminated with Listeria monocytogenes or Salmonella, which can cause illness in pets who consume these products, as well as in pet owners who handle the contaminated products or touch ...
Recalls & Warnings
December 16, 2015
Maker of Red Yeast Rice, St. John's Wort, Valerian and More Warned for Manufacturing Violations, Drug Claims
On December 2, 2015, the FDA issued a warning letter to Nature's Health, LLC, following a facility inspection which found the company's product, including Ginkgo & Rhodiola, Blood Sugar Balance IV, Cinnamon Extract, Choles-Balance Red Yeast Extract, Lecithin, Milk Thistle Seed Extract, ...
Recalls & Warnings
March 24, 2016
27 Cases of Salmonella Infection Linked to Recalled Garden of Life Organic Shakes
On March 24, 2016, the Center for Disease Control and Prevention (CDC) announced that 27 cases of Salmonella infection, including five which required hospitalization, are now linked to recalled Garden of Life Raw Meal Organic Shake and Meal Replacement products.
Recalls & Warnings
May 03, 2010
FDA Warns Consumers to Avoid Breath Supplement Contaminated with Lead
On May 3, 2010 the U.S. Food and Drug Administration warned consumers not to purchase nor consume Vita Breath, a dietary supplement manufactured by American Herbal Lab Inc. of Rosemead, Calif.
Recalls & Warnings
July 24, 2012
Baby Supplement Recalled Due To Salmonella Risk
On July 20, 2012, Wellements LLC issued a voluntary recall of Baby Move Prune Concentrate because testing of retained raw materials used in the product found one ingredient to be positive for Salmonella.
Recalls & Warnings
March 15, 2016
Tea Recalled Due to Salmonella Risk
On March 11, 2016 Awareness Corp. issued a recall of its 7.4 ounce container of Boost Tea because it may be contaminated with Salmonella.
Recalls & Warnings
September 23, 2014
More Carob Powder Products Recalled
On September 22, 2014, Glaser Organic Farms issued a recall of Raw Carob Powder and Carob Fudgy Brownie because they have the potential to be contaminated with Salmonella.
Recalls & Warnings
February 16, 2016
Garden Of Life Recall Expanded
On February 13, 2016, Garden of Life LLC expanded its January 2016 recall of certain Raw Meal Organic Shake & Meal Chocolate, Original, Vanilla and Vanilla Chai products to include additional lots of these products, because they have the potential to be contaminated with ...
Recalls & Warnings
September 26, 2014
Seller Warned for Promoting Essential Oils to Treat Flu, MRSA, Measles and More
On September 22, 2014, the FDA issued a warning to doTERRA International, LLC.
Recalls & Warnings
October 17, 2017
Organic Tarragon Spice Recalled Due to Salmonella Risk
On October 16, 2017, Organic Spices, Inc. dba Spicely Organics issued a recall of its Organic Tarragon because it has the potential to be contaminated with Salmonella.
Recalls & Warnings
March 24, 2017
"Micro Greens" Recalled Due to Salmonella Risk
On March 23, 2017, ChloroFields issued a recall of 20 cases of Asian Mix Microgreens because they have the potential to be contaminated with Salmonella.
Recalls & Warnings
February 01, 2016
Garden of Life Shakes and Meals Recalled Due to Salmonella Risk
On January 29, 2016, Garden of Life LLC issued a recall of certain Raw Meal Organic Shake & Meal Chocolate, Original, Vanilla and Vanilla Chai products because they have the potential to be contaminated with Salmonella.
Recalls & Warnings
December 22, 2014
Nutrition Bars Recalled Due to Potential Salmonella Contamination
On December 19, 2014, Perfect Bar & Company issued a recall of certain lots of Peanut Butter and Cranberry Crunch Nutrition Bars because they have the potential to be contaminated with Salmonella.
Recalls & Warnings
December 10, 2014
Risk of Fungal Infection from Probiotics in People with Weakened Immune System
On December 9, 2014, the FDA warned that supplements containing live bacteria or yeast have the potential to be contaminated with mold, and may pose a risk of potentially deadly fungal infection in immunocompromised persons.
Recalls & Warnings
February 23, 2016
Flax Seed and Chia Powders Recalled
On February 20, 2016, HEALTH MATTERS AMERICA INC., issued a recall of specific lots of Organic Traditions Sprouted Flax Seed Powder and Organic Traditions Sprouted Chia & Flax Seed Powder because they have the potential to be contaminated with Salmonella.
Recalls & Warnings
June 09, 2016
Nature Made Multis and B Complex Recalled Due to Salmonella, Staph Risk
On June 8, 2016 Pharmavite LLC issued a recall of the following Nature Made® multivitamin and B complex supplements because they have the potential to be contaminated with Salmonella or Staphylococcus aureus:
Recalls & Warnings
May 02, 2016
The Republic of Tea Recalls Turmeric/Ginger Teas Due to Salmonella Risk
On April 29, 2016 The Republic of Tea issued a recall of several Organic Turmeric Ginger teas because they have the potential to be contaminated with Salmonella.
Recalls & Warnings
March 06, 2013
Protein Bar Recalled Due To Salmonella Risk
On March 4, 2013, Pro-Amino International Inc. issued a recall of Proti Diet High Protein Chocolate Dream Bar due potential Salmonella contamination.
Recalls & Warnings
November 17, 2014
Organic Brown Rice Flour Recalled
On November 14, 2014, Lundberg Family Farms issued a voluntary recall of certain bags of Eco-Farmed Brown Rice Flour and Organic Brown Rice Flour because they because it has the potential to be contaminated with Salmonella.
Recalls & Warnings
November 17, 2014
Probiotic Powder Recalled
On November 14, 2014, Solgar, Inc. issued a voluntary recall of Solgar ABC Dophilus Powder (NET Wt. 1.75 oz (50 g)) because it was found to contain Rhizopus oryzae, a fungus which may cause Mucormycosis infection.
Recalls & Warnings
October 24, 2014
Shark Cartilage Supplement Recalled
On October 17, 2014, AMS Health Sciences, LLC issued a voluntary recall of one lot of Saba Shark Cartilage Complex because it has the potential to be contaminated with Salmonella.
Recalls & Warnings
August 16, 2014
McCormick Ground Oregano Recalled Due to Salmonella Risk
On August 13, 2014, McCormick & Company, Incorporated issued a voluntary recall of McCormick Ground Oregano (0.75 oz bottle) because it has the potential to be contaminated with Salmonella.
Recalls & Warnings
August 16, 2014
More Carob Powder Recalled
On August 11, 2014, Sunfood issued a recall of several lots of Organic Carob Powder because it has the potential to be contaminated with Salmonella.
Recalls & Warnings
August 04, 2014
"Superfood" Greens Recalled Due to Salmonella Risk
On August 1, 2014, New England Greens dba Vibrant Health issued a recall of 10 lots of Green Vibrance and one lot of Rainbow Vibrance because they have the potential to be contaminated with Salmonella.
Recalls & Warnings
July 30, 2014
Chocolate and Carob Drink Mix Recalled Due To Salmonella Risk
On July 25, 2014, CaCoCo, Inc. issued a recall of CaCoCo Original and Global Warrior chocolate drink mixes because they contain organic carob powder which has the potential to be contaminated with Salmonella.
Recalls & Warnings
July 30, 2014
Nutrition Bars Recalled Due to Salmonella Risk
On July 25, 2014, GoMacro issued a recall of two flavors of MACROBARS nutrition bars because they contain carob powder which has the potential to be contaminated with Salmonella.
Recalls & Warnings
July 24, 2014
Carob Powder Recalled
On July 22, 2014, Earth Circle Organics issued a recall of Organic Carob Powder due to the risk of potential contamination with Salmonella.
Recalls & Warnings
July 02, 2014
Protein Drink Mix Recalled Due to Salmonella Risk
On July 1, 2014, Oriya Organics, LLC voluntarily recalled Oriya Organics Superfood Protein Medley (21.2 oz) because it contains Organic Sprouted Chia Seed Powder, which has the potential to be contaminated with Salmonella.
Recalls & Warnings
June 28, 2014
Chia Seed Recall Expanded
On June 26, 2014, HEALTH MATTERS AMERICA INC.
Recalls & Warnings
June 05, 2014
More Chia Powders Recalled Due to Salmonella Risk
On June 4, 2014, Health Matters America Inc. issued a voluntary recall its Organic Traditions Sprouted Chia Seed Powder and Organic Traditions Sprouted Chia & Flax Seed Powder because they have the potential to be contaminated with Salmonella.
Recalls & Warnings
May 29, 2014
Chia Powders and Smoothies Recalled Due to Salmonella Risk
On May 28, 2014, Navitas Naturals issued a voluntary recall of products containing its organic sprouted chia seed powder because they have the potential to be contaminated with Salmonella.
Recalls & Warnings
April 11, 2014
Digestive Health Supplement Recalled Due to Salmonella Risk
On April 4, 2014 Swanson Health Products issued a voluntary recall of digestive health supplement Swanson Premium Brand Full Spectrum Cilantro (Coriander), because it has the potential to be contaminated with Salmonella.
Recalls & Warnings
October 15, 2012
Recall of Nutrition Bars Containing Peanut Butter Due To Salmonella Risk
On October 11 and 12, 2012, four brands of nutrition bars were voluntarily recalled due to possible salmonella contamination of the peanut butter used in each of these bars. The peanut butter was produced by Sunland Inc., and is part of a larger recall of Sunland's peanut butter and peanut products.