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Clinical Updates
Probiotics
Probiotic for Preventing Diarrhea
June 12, 2025
Did taking a probiotic during antibiotic treatment reduce the risk of antibiotic-associated diarrhea in kids? Find what a recent study showed in the Diarrhea section of our Probiotics Supplements Review, which includes our Top Pick for preventing antibiotic-associated diarrhea.
Probiotic for Depression?
June 09, 2025
Did adding a probiotic to standard medical treatment for major depressive disorder improve outcomes? Find out what a recent study found in the Depression section of our Probiotic Supplements Review, which includes our Top Picks among probiotics.
Also see our article: What are the best supplements for depression and anxiety?
Probiotic for C. difficile Infection?
June 05, 2025
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.
Supplements for IBS?
June 05, 2025
Find out if probiotics, peppermint, or melatonin were considered to be beneficial by pediatric experts for treating irritable bowel syndrome in kids and teens.
Probiotic for Memory?
May 05, 2025
Did taking a probiotic improve memory or cognitive function in healthy older men and women? See what a recent study found in the Cognitive function section of our Probiotics Supplements Review, which includes our Top Picks among probiotics.
Probiotic for Colds in Kids?
March 19, 2025
Did giving a probiotic to children with upper respiratory infections shorten the duration of fever? Find out in the What It Does section of our Probiotics Review, which includes our Top Picks among probiotic supplements.
Probiotics in Yogurt?
February 18, 2025
How can you tell if a yogurt contains active, probiotic bacteria? Find out in the ConsumerTips section of our Probiotic Supplements Review, which includes examples of yogurts that do or don’t include active probiotic bacteria, as well as our Top Picks among probiotic supplements.
Probiotic to Lower Blood Sugar?
February 03, 2025
Did taking the probiotic Akkermansia muciniphila decrease blood sugar or improve insulin function in a recent study? Find out in the Blood sugar & appetite control section of our Probiotic Supplements Review, which includes our Top Picks among probiotics.
Do Healthy People Need Probiotics?
November 07, 2024
While healthy people typically don’t need to take a probiotic, probiotics may help prevent gastrointestinal symptoms, such as diarrhea, from occurring in certain situations. Probiotics may also modestly help treat a wide range of existing conditions. See the What They Do section of our Probiotics Supplements Review to learn more. Also see our Top Picks among probiotics.
Probiotic for Constipation?
October 02, 2024
Did taking the probiotic Bifidobacterium lactis HN019 improve symptoms in people with mild constipation? Find out what a recent study showed in the Constipation and infrequent bowel movements without IBS section of our Probiotic Supplements Review, which includes our Top Picks among probiotic supplements..
Recently Approved Probiotic Gummy
September 20, 2024
Nature's Way 3-in-1 Probiotic Gummy was Approved and added to our Probiotics Supplements Review.
Probiotic for Blood Sugar Control?
September 17, 2024
The probiotic Akkermansia muciniphila has been promoted for blood sugar and appetite control, possibly by increasing GLP-1, that same “satiety” hormone targeted by medications like semaglutide (Ozempic). But does it really work? See what evidence suggests in the Blood sugar and appetite control section of our Probiotics Supplements Review, which includes our Top Picks among probiotic supplements.
Seed DS-01 Daily Synbiotic
August 26, 2024
A CL member informed us of a quality concern with this product. For details, see the Update in the Probiotics Review, which includes our Top Picks among probiotics.
Take a Probiotic When Intermittent Fasting?
August 19, 2024
Did taking a probiotic while intermittent fasting help with weight, cholesterol, and insulin levels? Find out what a recent study found in our Probiotics Supplements Review, which includes our Top Picks among probiotic supplements.
EpiCor for Colds and Flu?
July 08, 2024
Did taking EpiCor, a "postbiotic" supplement, reduce cold and flu symptoms when given during cold and flu season? Find out what a recent study showed in the Postbiotics section of our Probiotic Supplements Review.
Also see: Do any supplements help prevent or treat a cold?
Also see: Do any supplements help prevent or treat a cold?
Do Probiotics Contain Claimed Strains?
June 14, 2024
Genetic testing of popular multi-strain probiotic supplements determined how many did or did not contain their listed strains (product names were, unfortunately, not published). For details, see the Quality Concerns section in our Probiotic Supplements Review, which includes our Top Picks among probiotics.
Probiotic for Bone Loss?
June 14, 2024
Did taking a probiotic reduce loss of bone mineral density in older women? Find out in the Bone density and fractures section of our Probiotic Supplements Review, which includes our Top Picks among probiotics.
Also see: Do any supplements or diets help prevent or treat osteoporosis?
Also see: Do any supplements or diets help prevent or treat osteoporosis?
Cholesterol Lowering with Probiotic?
May 29, 2024
Did taking a probiotic supplement decrease LDL cholesterol or triglyceride levels in older men and women in a recent study? Find out in the Lowering cholesterol, triglycerides, and apoB section of our Probiotic Supplements Review. Also see our Top Picks among probiotics.
Probiotic for IBS
May 07, 2024
Can a probiotic (live or heat-treated) reduce symptoms of diarrhea-predominant irritable bowel syndrome? Find out what a recent study showed in the IBS section of our Probiotic Supplements Review. Also see our Top Picks among probiotics.
Also see: Do any supplements help for irritable bowel syndrome (IBS)?
Also see: Do any supplements help for irritable bowel syndrome (IBS)?
Probiotic for Boosting Testosterone?
April 30, 2024
Did taking a probiotic boost testosterone levels in men? Find out what a recent study showed in the Other conditions section of our Probiotics Supplements Review, which includes our Top Picks.
Also see: 10 Supplements That May Boost Testosterone (And 12 That May Not)
Also see: 10 Supplements That May Boost Testosterone (And 12 That May Not)
Probiotics & Cholesterol
April 23, 2024
How might probiotics work to lower cholesterol? Find out what a recent study suggests in the Lowering cholesterol & apoB section of our Probiotics Supplements Review, which includes our Top Picks among probiotic supplements.
Also see: Which supplements or foods can help lower cholesterol and keep my heart healthy? Are there any to avoid?
Also see: Which supplements or foods can help lower cholesterol and keep my heart healthy? Are there any to avoid?
Taking Probiotics With Vitamins and Minerals?
April 23, 2024
Is it okay to take probiotics at the same time as vitamin and mineral supplements? Find out in our Probiotics Supplements Review, which includes our Top Picks among probiotics supplements.
Also see: Which vitamins and minerals should be taken together or separately?
Also see: Which vitamins and minerals should be taken together or separately?
Probiotic for COVID?
March 19, 2024
Did a probiotic promoted to support immune defenses against COVID-19 help prevent or treat COVID-19? Find out in our Probiotics Supplements Review, which includes our Top Picks among probiotics.
Also see: Do any supplements help with COVID-19? Do supplements like vitamin D, zinc, vitamin C, or herbals work?
Also see: Do any supplements help with COVID-19? Do supplements like vitamin D, zinc, vitamin C, or herbals work?
Probiotic for IBS?
February 02, 2024
Did a multi-strain probiotic improve symptoms of irritable bowel syndrome in a recent study? Find out in the Symptoms of IBS section of our Probiotics Supplements Review. Also find out which product containing this specific multi-strain probiotic was tested and Approved by ConsumerLab.
Take a Probiotic When Taking Aspirin?
February 02, 2024
Can taking a probiotic reduce aspirin-induced damage to the lining of the stomach? Find out what a recent study showed in the What It Does section of our Probiotics Supplements Review.
Probiotic for Gout?
January 09, 2024
Does supplementing with a probiotic reduce gout flares? Find out in the What They Do section of our Probiotic Supplements Review, which includes our Top Picks among probiotic supplements.
Also see: Which supplements and foods help with gout and which may worsen it?
Also see: Which supplements and foods help with gout and which may worsen it?
Probiotics in Hot Tea?
January 05, 2024
Some teas now include probiotics, but are probiotics likely to remain viable if steeped in hot water? Find out in the What to Consider When Using section of our Probiotic Supplements Review. Also see our Top Picks among probiotic supplements.
A Probiotic for COVID-19?
December 15, 2023
Did supplementing with a popular probiotic reduce the risk of developing COVID-19 symptoms among people exposed to a household member with COVID-19? Find out in the COVID-19 section of our Probiotic Supplements Review, which includes our Top Picks among probiotics.
Probiotic for Menstrual Symptoms?
December 08, 2023
Did a probiotic reduce premenstrual or menstrual symptoms in young women? Find out in our Probiotics Supplements Review.
Probiotic for Lowering Cholesterol?
December 01, 2023
Does supplementing with probiotics help lower cholesterol? See the latest research in the Lowering cholesterol section of our Probiotics Supplements Review. Also see our Top Picks among probiotics.
Also see: Which supplements or foods can help lower cholesterol and keep my heart healthy?
Also see: Which supplements or foods can help lower cholesterol and keep my heart healthy?
Probiotics for Cough & Congestion?
October 24, 2023
Can taking a daily probiotic during cold season reduce cold symptoms such as runny nose, congestion, cough or fever? Find out what a recent study showed in the Cold and acute respiratory infections section of our Probiotics Supplements Review, which includes our Top Picks among probiotics.
Probiotic for H. pylori?
August 29, 2023
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.
Kombucha for Diabetes?
August 11, 2023
Does drinking kombucha help lower blood sugar levels in people with type 2 diabetes? Find out what a recent study showed in the Kombucha section of our Probiotic Supplements Review.
Also see: Which supplements and foods can help lower or control blood sugar?
Probiotics for Stress?
August 11, 2023
Did taking probiotics reduce stress in recent studies? Find out in the Stress section of our Probiotics Supplements Review.
Also see: Do any supplements help relieve stress?
Taking Probiotics When On Antibiotics
August 01, 2023
It’s commonly thought that taking probiotics helps restore the gut microbiome from taking antibiotics. But is this really how probiotics work? See what research suggests in the What It Does section of our Probiotic Supplements Review. Also see our Top Picks among probiotic supplements.
Probiotic for IBS?
July 18, 2023
Did taking a probiotic further reduce symptoms of irritable bowel syndrome in people on a low-FODMAP diet? Find out in the IBS section of our Probiotics Supplements Review.
Also see: Do any supplements help for irritable bowel syndrome (IBS)?
Probiotic for Depression?
June 16, 2023
Can taking a probiotic supplement improve depression symptoms among people with moderate depression? Find out what a recent study showed in the Depression section of our Probiotics Supplements Review.
Also see: What are the best supplements for anxiety and depression?
Probiotic for Lowering Cholesterol?
June 06, 2023
Does supplementing with a probiotic help lower cholesterol or triglycerides in people with high cholesterol? Find out what a recent study showed in the Lowering cholesterol & apoB section of our Probiotics Supplements Review.
Also see our Top Picks among probiotics.
Concern With Kombucha?
May 23, 2023
A recent study suggests a dental concern with drinking kombucha. Get the details in the Concerns and Cautions section of our Probiotics Supplements Review.
Also see our Top Picks among probiotic supplements.
Kombucha for Blood Sugar?
February 28, 2023
Drinking kombucha (a fermented beverage containing probiotics) with a high-carb meal may blunt the rise in blood sugar after the meal, according to a recent study. Get the details in the What It Does section of our Probiotic Supplements Review, which includes our Top Picks among products.
Also see: Which supplements and foods can help lower or control blood sugar?
Do Prebiotics Cause Liver Cancer?
October 14, 2022
Some CL readers expressed concern over recent headlines suggesting that prebiotic fiber may cause liver cancer. Learn if this should be of concern in the Concerns and Cautions section of our Prebiotics Review.
Probiotic for Antibiotic-Associated Diarrhea in Kids?
June 24, 2022
Did taking a probiotic reduce the risk of antibiotic-associated diarrhea in children? Find out what a recent study showed in the Antibiotic-associated diarrhea section of our Probiotics Supplements Review.
Probiotic for Depression?
June 17, 2022
Did a popular probiotic blend help people with severe depression? See what a recent study found in the Anxiety and Depression section of our Probiotics Supplements Review.
Also see our answer to the question: What are the best supplements for depression and anxiety?
Prebiotics for Reducing Appetite?
May 27, 2022
Can adding prebiotics (such as fructooligosaccharides (FOS) or partially hydrolyzed guar gum (PHGG)) to meals help increase satiety or reduce appetite? Find out what a recent study showed in the All About Prebiotics section of the Probiotics Supplements Review.
What Are Postbiotics?
May 20, 2022
What are postbiotics and are they helpful? Find out in the Postbiotics section of our Probiotic Supplements Review.
Probiotic for Oral Health?
March 25, 2022
Can a probiotic lozenge decrease cavity risk, tooth plaque, and/or staining? See what the latest research shows in the What It Does section of our Probiotic Supplements Review.
Probiotics to Lower Marker of Heart Attack Risk?
March 15, 2022
Some probiotics have been shown to modestly lower high cholesterol levels. Can they also lower levels of apolipoprotein B (apoB), a strong predictor of heart attack risk? See what recent research shows in the What It Does section of our Probiotics Supplements Review.
Probiotics: Single or Multi-Strain?
March 04, 2022
Are multi-strain probiotics more effective than single-strain probiotics? Find out what a recent study showed in the Single-strain or multi-strain? section of our Probiotics Supplements Review. Also see our Top Picks for probiotics based on intended use.
Probiotic to Lower Cholesterol?
January 24, 2022
Can taking a probiotic lower elevated cholesterol levels? See what a new study found in the Cholesterol-lowering section of our Probiotics Supplements Review. Also see our Top Picks for probiotics.
For other approaches to lowering cholesterol, see our answer to the question: Which supplements or foods can help lower cholesterol and keep my heart healthy?
Probiotic for Colds?
December 06, 2021
Can taking a probiotic help prevent colds? See what a recent study found in the Cold and acute respiratory infections section of our Probiotic Supplements Review.
See information about other supplements in our answer to the question: Do any supplements help prevent or treat a cold?
Probiotic for Indigestion?
August 09, 2021
Can taking a probiotic with a meal decrease indigestion, gas or stomach pain after eating? See what a new study found in the What They Do section of our Probiotic Supplements Review. Also, see our Top Picks among probiotics for gastrointestinal symptoms and other uses.
Probiotics for C. difficile infection?
July 02, 2021
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.
Misleading Kefir Claims
May 14, 2021
Recent testing of several popular kefir beverages in the U.S. found that none contained their claimed amount of live probiotic cells -- although a popular yogurt did. See the results, by brand, in the Kefir section of our Probiotic Supplements Review. Also see our Top Picks among probiotic supplements and drinks.
Probiotic for Autism?
May 11, 2021
Can a probiotic supplement improve symptoms of autism spectrum disorder? Find out what a recent study showed in the What It Does section of our Probiotic Supplements Review. Also, see our Top Picks for probiotic supplements.
Does Kefir Lower Cholesterol?
April 30, 2021
Can drinking kefir that contains probiotics, decrease LDL cholesterol or triglyceride levels in people with metabolic syndrome? See what a new study found the Cholesterol-Lowering section of our Probiotic Supplements Review. Also see our Top Picks among probiotic supplements and drinks.
Probiotic for Rheumatoid Arthritis?
April 19, 2021
Can taking a probiotic reduce joint swelling in rheumatoid arthritis? See what a new study found in the What It Does section of our Probiotic Supplements Review.
Probiotics for Ulcers?
March 02, 2021
Can probiotics help treat a common cause of stomach ulcers – H. pylori infection? Find out what new guidelines say in the What It Does section of our Probiotic Supplements Review.
For information about other supplements for peptic ulcers (and those to avoid) see our answer to the question: Do supplements help treat peptic ulcer disease? Should any be avoided?
Probiotic to Prevent Colds?
December 19, 2020
Can taking a probiotic prevent colds or reduce cold symptoms? See what a new study found in the What It Does section of our Probiotic Supplements Review. Also, see our Top Picks for probiotics.
Probiotic for Protein Absorption?
December 19, 2020
Can a probiotic improve the absorption of amino acids from protein supplements? Find out what a recent study showed in the What It Does section of our Probiotic Supplements Review. Also, see our Top Picks for probiotics.
Probiotic for Cognition?
November 25, 2020
Can taking a probiotic improve cognitive functioning? Find out what a recent study found using a widely-available brand of probiotics in the What It Does section of the Probiotic Supplements Review. Also see our Top Picks for probiotics.
Probiotic for Eczema
October 12, 2020
A probiotic was shown to reduce the extent and severity of atopic dermatitis (eczema) in a recent study. Get the details in the What It Does section of our Probiotics Supplements Review. Also, see our Top Picks for probiotics.
Probiotic for Eczema
September 11, 2020
Can applying a probiotic to the skin reduce eczema in children? Find out what a recent study showed in the What It Does section of the Probiotic Supplements Review. Also see our Top Picks for probiotics.
Probiotics That Do or Don't Work
June 08, 2020
An expert panel of gastroenterologists reviewed the clinical evidence for probiotics in preventing or treating C. difficile infection, IBS, ulcerative colitis, Crohn's disease, pouchitis, and necrotizing enterocolitis. Find out for which conditions they recommend probiotics and for which they don't in the What They Do section of the Probiotic Supplements Review (we've highlighted their recommendations in yellow). Also see our Top Picks for probiotics.
Probiotic to Reduce Tooth Staining
May 28, 2020
A probiotic was tested to see if it could reduce the occurrence of black stains (a type of dental plaque) on teeth. Find out if it worked in the What It Does section of the Probiotic Supplements Review. Also see our Top Picks among probiotics.
Caution With Probiotic & Surgery
October 07, 2019
Use of a popular probiotic around the time of abdominal surgery increased the rate of re-admission to the hospital after surgery, according to a recent study. For details, see the What It Does section of the Probiotic Supplements Review. Also see our Top Picks for probiotics.
Probiotic for Cold Symptoms and Gas
September 30, 2019
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.
Probiotic for the Urinary Tract?
September 20, 2019
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.
Probiotic to Trim Belly Fat?
September 06, 2019
Can Yogurt Reduce Diabetes Risk?
August 28, 2019
Increasing yogurt intake, particularly in place of certain other dairy foods, may decrease the risk of developing type 2 diabetes. For details about this and other effects of yogurt, see the Fermented Dairy Foods section of the Probiotics Supplements Review. Also see our Top Picks for probiotics.
Do Probiotics Help With Bone Facture?
August 16, 2019
Can taking a probiotic improve recovery from bone fracture in older people? See what a recent study found in the Bone Density and Fractures section of the Probiotic Supplements Review. Also see our Top Picks for probiotics.
Infection from Probiotic
July 05, 2019
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.
Popular Probiotic -- What's In a Name?
June 28, 2019
Does the popular probiotic VSL#3 contain a different formula than used in the clinical studies supporting its benefits? Find out in the What to Consider When Buying section of the Probiotics Supplements Review. Also see our Top Picks for probiotic supplements.
Prebiotic for Insulin Sensitivity
June 24, 2019
Does consuming a prebiotic improve insulin sensitivity in overweight people? See what a study recently found in the All About Prebiotics section of the Probiotic Supplements Review.
Yogurt and Colorectal Cancer
June 21, 2019
Does regular consumption of yogurt affect the risk of colorectal polyps and colorectal cancer? Find out what studies are showing in the Fermented Dairy Foods section of the Probiotic Supplements Review.
Probiotic for Anxiety?
May 03, 2019
A number of studies have evaluated probiotics for reducing anxiety, stress, and depression. See the results of the latest study in the What It Does section of the Probiotic Supplements Review. Also see our Top Picks among probiotics.
Probiotic for Diverticulitis
April 26, 2019
Giving a specific probiotic to people hospitalized for acute diverticulitis was found to reduce pain, inflammation, and the duration of their hospital stays. Get the details in the What It Does section of the Probiotic Supplements Review. Also see our Top Picks for probiotics.
A Probiotic for Migraine
February 01, 2019
Use of a particular probiotic for several weeks was found to modestly reduce the frequency and severity of migraine headaches. Get the details in the What It Does section of the Probiotic Supplements Review.
Yogurt & High Blood Pressure
November 23, 2018
Higher consumption of yogurt was associated with a lower risk of developing high blood pressure in a recent analysis. Risk was further reduced when yogurt consumption was part of a particular, healthful diet. For details, see the Fermented Dairy Foods section of the Probiotic Supplements Review.
Probiotic Lowers Eczema Risk in Children
November 15, 2018
The risk of eczema in children was reduced by 54% when a specific probiotic was taken by mothers during pregnancy and then by their infants, according to a new study. The probiotic also reduced the incidence of gestational diabetes among the mothers. For details, see the What It Does section of the Probiotic Supplements Review. (Also see our Top Picks for probiotics.)
Illness From Probiotic
November 12, 2018
Some people are vulnerable to serious illness related to probiotic use. Get the details of a recently reported case in the Cautions and Concerns section of the Probiotic Supplements Review.
Lower Risk of Heart Disease with Fermented Dairy Foods
November 05, 2018
A study has shown a lower risk of heart disease to be associated with consumption of fermented, rather than non-fermented, dairy foods. However, only a certain type of fermented dairy was associated with the benefit. For details, see the Fermented Dairy section of the Probiotics Review. (Also see our Top Picks among probiotic products.)
Probiotic for Abdominal Pain
October 01, 2018
A probiotic was found to significantly reduce symptoms in people with acute diarrhea and abdominal pain, adding to the number of probiotics shown to have related effects. For details, see the What It Does section of the Probiotic Supplements Review. (Also see our Top Picks among probiotics).
When To End Probiotics?
September 08, 2018
If you take a probiotic when given antibiotics, at what point should you stop taking the probiotic? A new study provides some guidance. For details, see the What It Does section of the Probiotic Supplements Review. (Also see our Top Picks among probiotics.)
Probiotics for Gum Disease
August 27, 2018
Can probiotic lozenges improve gum health when used in conjunction with oral cleanings? Find out what studies are showing in the Periodontitis section of the Probiotics Supplements Review. (Also see our Top Picks among probiotic supplements for other uses.)
Probiotic Concern
August 20, 2018
While probiotics are generally safe, they can cause severe illness in people with certain medical conditions. There have been many case reports, including one published this month. For details see the Concerns and Cautions section of the Probiotic Supplements Review.
Probiotics & Exercise Performance
July 30, 2018
Can taking a daily probiotic improve exercise performance? Find out in the What It Does section of the Probiotic Supplements Review. (Also see our Top Picks for probiotics.)
Probiotics for Bones
June 22, 2018
Can taking a daily probiotic help reduce bone loss? Find out what a year-long study showed in the Bone density and fractures section of the Probiotic Supplements Review. (Also see our Top Picks among probiotic supplements.)
Probiotic for IBS?
June 11, 2018
Studies have shown that certain probiotics help relieve symptoms of irritable bowel syndrome (IBS), although this can depend on the type of IBS. The most recent study focused on people with diarrhea-predominant IBS. Get the results in the What It Does section of the Probiotic Supplements Review. Also see our Top Picks among probiotics.
Probiotic Effective for People With Mania
May 29, 2018
A daily probiotic was shown to greatly reduce the risk of rehospitalization for acute mania among people recently hospitalized for this condition. The probiotic contained strains common in products that ConsumerLab has tested and reviewed. For details, see the What It Does section of the Probiotic Supplements Review.
Do Probiotics Affect Weight?
March 05, 2018
Studies have shown some probiotics to help somewhat with weight loss and/or slimming, while others have shown no effect. However, a recent study with a popular probiotic found that it increased weight. Get the details in the Weight and fat loss section of the Probiotic Supplements Review.
Probiotic for Dermatitis
December 18, 2017
Atopic dermatitis is a recurrent, itchy inflammation of the skin. Taking a daily probiotic mixture was found to significantly reduce symptoms and the need for topical steroids in children with atopic dermatitis. Details are in the "What It Does" section of the Probiotic Supplements Review >>
Probiotic Reduces Colic
October 17, 2017
A widely sold probiotic was able to reduce by half the amount of crying in infants with colic, according to a placebo-controlled study. For details, see the "What It Does" section of the Probiotic Supplements Review >>
Changed VSL#3 Probiotic?
September 26, 2017
VSL#3 is a popular probiotic, but a new study suggests that the currently marketed product may be somewhat different and not have all the same effects as the earlier product. For details, see the ConsumerTips section of the Probiotic Supplements Review >>
Probiotic for Dandruff?
August 29, 2017
A probiotic was shown to significantly reduce the signs and symptoms of dandruff in a placebo-controlled, 2-month study. See the "What It Does" section of our Probiotic Supplements Review for details >>
Probiotic Reduces Depression in IBS
May 25, 2017
A probiotic significantly decreased depression in men and women with irritable bowel syndrome (IBS), according to a recent study. For details, see the "What It Does" section of the Probiotic Supplements Review >>
Probiotic Reduces Diabetes Risk In Pregnancy
April 14, 2017
Taking a certain type of probiotic during pregnancy reduced the risk of gestational diabetes, according to a new study. For details see the "What It Does" section of the Probiotic Supplements Review >>
Prebiotics for Appetite Control?
March 10, 2017
A study suggests that a prebiotic supplement may be helpful for appetite control — although more research is needed. Prebiotics fuel the growth of beneficial bacteria in the gut. For more information about the study and prebiotics (including how to get prebiotics from foods), see the "Prebiotics" section of the Probiotics Supplements Review (which includes our tests of products) >>
Probiotic for Allergy
March 03, 2017
A recent study showed that taking a probiotic during allergy season reduced symptoms more than did a placebo — although not by much. For details, see the "What It Does" section of the Probiotic Supplements Review >>
Timing Probiotics with Antibiotics Is Key
February 27, 2017
Probiotics can reduce the risk of C. difficile infection due to antibiotics by nearly 70% if probiotics are started at the right time, according to a new study. Get the details in the "What It Does" section of the Probiotic Supplements Review (which includes our tests of products) >>
Probiotics and Weight?
February 12, 2017
Several studies, including a recent one in Brazil, suggest that probiotics can help with weight reduction or other aspects of slimming. The studies published to-date, however, have limitations. For more details, see the "What It Does" section of the Probiotics Supplements Review (which includes our tests of products) >>
Probiotic for Bloating and Abdominal Discomfort?
November 21, 2016
Probiotics can help with a range of gastrointestinal issues, but a recently published, large clinical trial found that a popular probiotic was only slightly helpful to people with a history of abdominal discomfort and bloating. Get the details in the "What It Does" section of the Probiotic Supplements Review >>
Probiotic Speeds Recovery From Fracture
September 26, 2016
A probiotic increased the speed of recovery from bone fracture in older men and women. For details, including dosage, see the "What It Does" section of the Probiotics Supplements Review >>
Probiotics Reduce Diarrhea from Anitibiotics
May 17, 2016
Many studies show that using a probiotic supplement when taking antibiotics reduces the risk of developing diarrhea, or, as shown in a new study, the duration of diarrhea. We've summarized key points on what type, dose, and dosing schedule of probiotics work best in the "What It Does" section of our Probiotic Supplements Review >>
Probiotics a Waste of Money?
May 14, 2016
Some headlines this week suggested that probiotics are not worthwhile. The stories cited a new research study which found that probiotics do not cause a lasting effect on the gut. The headlines are misleading, as we explain in the "What It Does" section in our Probiotic Supplements Review >>
Probiotic for Fat Loss
April 29, 2016
A new study found that a probiotic decreased body fat in overweight adults, without diet or exercise. The probiotic in the study differs from many on the market in an interesting way. Get more information about this and other studies with probiotics, as well as our tests of products, in the Probiotic Supplements Review >>
Probiotic Helps with IBS
March 01, 2016
A probiotic was found to improve many symptoms of irritable bowel syndrome in a recent study. Studies with other probiotics have also shown benefits, but be aware that the choice of probiotic seems to depend on the type of IBS. Get the details, as well as our quality ratings, in the Probiotic Supplements Review >>
Probiotic May Help Prevent ADHD
January 30, 2016
A study found that none of the children given a specific probiotic around infancy (as well as to their mothers) developed attention deficit hyperactivity disorder (ADHD), compared to 14% of those given a placebo. Details about this preliminary but intriguing study and the commonly-available probiotic used are found in the Probiotic Supplements and Kefirs Review >>
Triglyceride-Lowering with a Probiotic
November 06, 2015
Studies with probiotics have demonstrated modest lowering of LDL ("bad") cholesterol, but the evidence has been mixed regarding triglycerides. A recent study in which a probiotic was added to a kefir drink showed a 17% reduction in triglycerides along with a modest reduction in LDL — effects not seen with the kefir alone. Details are found in the Probiotics and Kefirs Review >>
Prebiotic Helps With Weight
October 26, 2015
A certain prebiotic was found to increase the amount of weight men and women lost while on a calorie-restricted diet. For details, including brand and dosage, plus our tests of popular probiotics and prebiotics, see the Probiotic Supplements Review >>
Probiotic Helps with Constipation
October 23, 2015
A recent study found that taking a particular probiotic twice a day after meals significantly increased the number of bowel movements in people with chronic constipation. For details about the probiotic and dose, see the Probiotic Supplements Review >>
Probiotic Shortens Respiratory Infections
October 20, 2015
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 >>
Probiotic Improves IBS Symptoms
October 05, 2015
A probiotic significantly improved symptoms in men and women with a particular type of irritable bowel syndrome (IBS), according to a recent study. Get the details, including dosage, and our tests of popular products, in the Probiotic Supplements Review >>
Probiotic Increases Bowel Movement Frequency
September 21, 2015
A certain probiotic increased the number of weekly bowel movements in healthy men and women who reported a low frequency. Get the details, including brand and dosage, plus our tests of popular products in the Probiotic Supplements Review >>
Probiotic Approved for Throat Infections
September 01, 2015
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 >>
Prebiotics for Immune Health
August 01, 2015
Prebiotics are complex sugars which can support the growth of probiotic organisms in the gut. A recent study reported a specific type of prebiotic increased amounts of beneficial bacteria and improved certain markers of immune function in older men and women. Get the details, including dosage, plus our tests of popular probiotics and prebiotics in the Probiotic Supplements Review >>
Probiotics May Not Work As Thought
July 21, 2015
Research continues to reveal promising uses for probiotics, but it's also showing that probiotics don't necessarily work by changing the types of organisms in our gut. A new study with Culturelle sheds light on this. Details, along with information about what probiotics can and cannot do and our tests of 43 probiotic supplements, are found in the Probiotic Supplements Review >>
Probiotic Lowers Triglycerides
July 07, 2015
Although past studies have not found probiotics to lower triglyceride levels, a recent study found a combination of two probiotic strains significantly decreased triglycerides in men and women with moderately high levels. More details, including dosage, are found in the "What It Does" section of the Probiotic Supplements Review >>
Probiotic Foods and Social Anxiety
June 20, 2015
A new study shows that consumption of fermented foods like yogurt and kefir (which are likely to contain probiotic organisms) was associated with lower levels of social anxiety. This suggests that such foods may serve as a low-risk intervention for reducing social anxiety. More about the study is found in the Probiotics Review >>
Probiotic May Aid Fat Loss
May 30, 2015
A recent study in overweight men and women showed a small decrease in fat among those taking a probiotic for 12 weeks. Other small studies have shown similar benefits using different probiotics. More details, along with our reviews of probiotics containing organisms similar to those in these studies, are found in the Probiotic Supplements Review >>
Probiotics Might Reduce Risk of Depression
April 18, 2015
After taking a probiotic daily for 4 weeks, people in a recent study were less likely to have negative thoughts in response to sadness -- a predictor of whether or not sadness turns into depression. This adds to a growing body of preliminary studies suggesting benefits of probiotics in anxiety and depression. For details, including the type and dose of probiotic used, see the Probiotic Supplements Review >>
Preventing Eczema with Probiotics
March 28, 2015
Allergy experts recently concluded that, when there is a family history of allergy, probiotics (taken by the mother or child) can reduce the risk of the child having eczema. For more information about this and other uses of probiotics — as well as our test reviews of products, see the Probiotic Supplements Review >>
Probiotic Prevents Bloating from Proton Pump Inhibitor (PPI)
February 20, 2015
Acid-blocking PPI drugs, such as Prilosec (omeprazole) and Protonix (pantoprazole) may cause people to experience bloating and other unpleasant bowel symptoms, possibly due to overgrowth of bacteria in the intestine. A recent study suggests that taking a probiotic may help prevent these symptoms from occurring. For more details, as well as our reviews of popular probiotics, see the Probiotic Supplements Review >>
Probiotic Reduces Antibiotic-associated Diarrhea
January 19, 2015
A yogurt containing a combination of probiotic species was found to dramatically reduce the occurrence of mild and severe diarrhea in children being treated with antibiotics primarily for ear and throat infections. Probiotics have also been shown to have similar benefits in adults. For more details, see the Probiotic Supplements Review >>
Probiotic Reduces GI Pain in IBS
December 16, 2014
A yeast-based probiotic was recently shown to significantly reduce abdominal pain and discomfort among people with irritable bowel syndrome (IBS). The most notable effect occurred after 4 weeks of use. Other studies, typically using bacterial probiotics, have also shown some benefit in IBS. For details, see the Probiotic Supplements Review >>
Prebiotic for Reducing Anxiety?
December 06, 2014
We've reported in the past that some probiotic bacteria may help reduce anxiety. A new study suggests that one type of prebiotic powder (which helps probiotic bacteria grow) has a related beneficial effect. See the update in the Probiotic Supplements Review >>
Probiotics Reduce Cholesterol / Improve Liver Function
October 24, 2014
Adding probiotic organisms to yogurt appeared to reduce LDL ("bad") cholesterol in a study of people with nonalcoholic fatty liver disease, a common condition. Levels of liver enzymes also improved and more weight loss occurred when people ate the probiotic yogurt, in contrast to those who ate regular yogurt. The probiotic organisms used in this study are found in several products recently tested by ConsumerLab.com. See the details in the Probiotic Supplements Review >>
Probiotics Lower Blood Pressure
July 25, 2014
Probiotics may help lower high blood pressure, especially when multiple strains are taken for a certain period of time, according to a new analysis. Get the details, as well as information about other uses for probiotics, in the updated Probiotic Supplements Review >>
Probiotic Gum for Throat Infections
May 28, 2014
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 >>
Probiotics: An Alternative to Antibiotics for Mastitis?
May 28, 2014
Two different strains of probiotics have been found to reduce breast pain and resolve infection in nursing mothers with mastitis, as well as reduce the rate of recurrence. For details, as well as our tests of probiotic supplements, see the Probiotic Supplements Review >>
Probiotic for IBS Symptoms
May 24, 2014
A recent study found that a multi-strain probiotic reduced certain symptoms of irritable bowel syndrome (IBS). Get the details, as well as our tests of probiotic products, in the updated Probiotic Supplements Review >>
Probiotic Helps a Little with Allergy
April 19, 2014
Among people already taking a daily antihistamine, adding a daily probiotic provided a small, additional benefit -- particularly with ocular (eye) symptoms, according to a new study. For more information about the probiotic used, and our tests of probiotic supplements, see the updated Probiotic Supplements Review >>
Probiotic Not Always Useful in Infant Colic
April 19, 2014
A month ago, we reported on a study that showed a probiotic could help prevent colic in infants. A new study, however, shows that the same probiotic given to infants who already have colic does not help more than placebo. For more details, and our tests of probiotic supplements, see the updated Probiotic Supplements Review >>
Probiotic Helps with Colic
March 18, 2014
Daily use of a probiotic reduced crying time in infants by nearly half and regurgitation by more than one-third in a recent study. Probiotics have also reduced abdominal pain in older children. Based on their safety, probiotics seem worth a try for these uses. Details about the products and dosage are in the update to the Probiotics Review >>
Probiotic Helps Women Shed Pounds
February 01, 2014
Recently, a study found that women on a reduced-calorie diet lost significantly more weight if they took a particular probiotic than women on the same diet who took a placebo. Get details about the probiotic used and the dosage in the Probiotic Supplements Review >>
Probiotic Significantly Reduces Antibiotic-Associated Diarrhea
December 20, 2013
A new study using a combination of probiotic organisms reduced the incidence of diarrhea by half among hospitalized individuals receiving antibiotics. Two doses were tried, and the higher dose was more effective. For details about this probiotic and how it was taken, along with additional information and our tests of probiotics, see the updated Probiotic Supplements Review >>
Probiotics for Oral Health?
November 16, 2013
For people with periodontitis (inflammation around the teeth), a new study showed a probiotic lozenge resulted in additional improvement over standard dental scaling and chlorhexidine rinse. Get the details, as well as our tests of probiotics, in the updated Probiotic Supplements Review>>
Probiotic Helps Prevent Recurrence of Diverticular Disease
October 12, 2013
A new study found a major reduction in the recurrence of symptomatic diverticular disease when people were given a specific probiotic. Further reduction occurred with a combination of the probiotic and a prescription medication. For details about the treatment, including dosage, and our tests of probiotic supplements, see the updated Probiotic Supplements Review >>
New Probiotic Study
August 10, 2013
A new study raises questions about the efficacy of taking probiotics to reduce the occurrence of antibiotic-associated diarrhea. For more details, as well as test results and comparisons for 29 probiotic supplements, see the updated Probiotic Supplements Review >>
Probiotic for Irritable Bowel Syndrome?
June 29, 2013
A popular probiotic given in a yogurt appeared to reduce symptoms in people with irritable bowel syndrome. However, people taking a yogurt without the probiotic did just as well, if not better, over time, raising doubt about the value of the probiotic. For more details, as well as test results and comparisons for 29 probiotic supplements, see the updated Probiotic Supplements Review >>
Probiotic Reduces Abdominal Fat
May 26, 2013
A study found that giving overweight people a strain of probiotic as part of a milk drink led to reductions in abdominal fat over 12 weeks. Those receiving the drink without the probiotic had no improvement. Get details in the updated Probiotic Supplements Review >>
More Probiotic Concerns
January 19, 2013
According to a published case report, two women recently developed a severely debilitating condition ("eosinophilic syndrome") two to four weeks after taking what appears to be the same "new" probiotic supplement. It's not yet known if these are isolated cases or are there more to come. For more information, see the recent update to the Probiotic Supplements Review >>
Probiotics Reduce Risk of Diarrhea After Antibiotics
November 24, 2012
Taking a broad-spectrum antibiotic can disturb the natural organisms in your gut. In some cases, particularly among older, hospitalized individuals, diarrhea can result due to infection with C. difficile. This can be life-threatening. A new review of 20 clinical trials shows that probiotics can reduce the risk of C. difficile-associated diarrhea by 50% to 75% depending on the type of probiotic used. Find out more, including the type of probiotic associated with most benefit, in the updated Probiotic Supplements Review, which includes our tests and reviews of 29 probiotic supplements. More >>
Probiotic Helps Preterm Infants
October 20, 2012
Giving preterm infants a small amount of a probiotic improved their feeding and decreased their time in the hospital compared to infants not given the treatment. Learn more about this probiotic and other probiotic supplements for children and others in the Probiotic Supplements Review which includes our product tests. More >>
Probiotics Reduce Risk of Diarrhea from Antibiotics
May 13, 2012
A review of over 60 clinical studies concluded that probiotics are associated with a 42% reduction in the risk of diarrhea due to antibiotic administration. The benefit appears greater for certain probiotics. For more details, including our tests of probiotic supplements, see the update in the Probiotic Supplements Review >>
Probiotics and Irritable Bowel Syndrome (IBS)
January 01, 2011
A recent study of children with IBS found that eight weeks of treatment with a probiotic greatly reduced the frequency and severity of abdominal pain. See the Probiotic Supplements Review for the type and dose of probiotic used and more >>
