Product Reviews and Information for Bladder Control
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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
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.
Recalls & Warnings
October 30, 2025
“MyBladder” Bladder Control Supplement Recalled
On October 28, 2025, Purity Products recalled one lot of MyBladder, a supplement promoted to support bladder control, because company tests detected two strains of E. coli (Escherichia coli – strains O7:K1 and 1303) in the affected lot.
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.
Product Review
Glycine Supplements Review
Tests of Glycine Show High-Quality but Major Savings with Right Products.
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 Prelief Help with Heartburn or Bladder Pain Caused By Acidic Foods?
Learn about Prelief, a product promoted to reduce acidity from foods and drinks that may cause bladder pain, frequent urination, heartburn, or indigestion. Discover what Prelief claims to do, the clinical evidence supporting its use, and important safety considerations.
CL Answer
Dimethyl sulfoxide (DMSO): Health Effects & Safety Concerns
Dimethyl sulfoxide (DMSO) is a colorless liquid promoted for osteoarthritis, interstitial cystitis, tennis elbow, rotator cuff tendonitis, wound healing, and many other conditions. Find out if it works and if it's safe.
Product Review
Cranberry Juices and Supplements Review
CL's Tests Show Which Cranberry Juices and Supplements Are Best and Cost the Least
CL Answer
Is kratom too dangerous to use?
Find out if kratom is safe/legal to use, including potential adverse effects, such as agitation, rapid heartbeat, nausea, drowsiness, seizures, and possible drug interactions.
Clinical Update
7/18/2024
Overactive Bladder & Supplements
Find out if supplements are recommended for symptoms of overactive bladder (OAB) in our article about supplements for nighttime urination.
Clinical Update
11/04/2012
Vitamin D and Bladder Cancer
A new study looked at vitamin D levels and the risk of developing bladder cancer. Find out which levels were best, as well as which vitamin D supplements pass our tests, in the updated Vitamin D Supplements Review. More >>
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
10/23/2025
Prelief for Heartburn or Bladder Pain?
Does this product lead to less heartburn and bladder pain? See what the evidence says in our article about Prelief.
Clinical Update
3/01/2024
Sweeteners and Bladder Pain
If you suffer from bladder pain, find out which sweeteners have been associated with increased pain in our article about sugar substitutes. Also see our Top Picks among sugar substitutes.
Clinical Update
10/11/2022
Foods That Irritate the Bladder
In people with recurrent UTIs, be aware that several foods are known to cause bladder irritation. We've added this information to our Cranberry Review.
CL Answer
What is graviola? Can it really help fight cancer?
Learn more about graviola, if it can really help fight cancer, and its safety.
CL Answer
Is it true that some vitamins or supplements can cause cancer?
Learn more about the effects of certain vitamins and supplements on cancer, including beta-carotene, vitamins E and B9, and multivitamins.
CL Answer
Is it possible to take too much vitamin C?
Find out the daily value of vitamin C, along with possible side effects of excessive vitamin C intake. ConsumerLab explores the topic of proper vitamin C supplement usage, and why taking too much can be harmful.
CL Answer
Can drinking coffee prevent gallstones? Can supplements help?
Information about the impact coffee has on gallstone disease. Plus, supplements that have been proposed to help with gallstone pain.
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?
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
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
4/25/2023
Nighttime Urination: Pumpkin Seed?
Can supplementing with pumpkin seed reduce the need to urinate at night among people with BPH (benign prostatic hyperplasia) or OAB (overactive bladder)? Get the details in the Pumpkin Seed section of our article about BPH. Also learn about other approaches in our article about supplements for nighttime urination.
Clinical Update
10/20/2023
Vitamin E & Cancer Risk
Supplementing with vitamin E might increase the risk of recurrence of bladder cancer, according to a recent study. Get the details in the Cautions and Concerns section of our Vitamin E Supplements Review.
Clinical Update
9/03/2024
Uqora / D-Mannose Caution
D-mannose is generally well tolerated, but be aware that an immune reaction was recently reported with the use of the popular D-mannose "bladder" supplement, Uqora. Get the details in the Concerns and Cautions section of our D-Mannose Supplements Review, which includes our Top Picks for D-mannose.
Clinical Update
6/12/2025
Saccharin & Cancer
Does saccharin cause cancer? A link between saccharin and bladder cancer has been debunked. Interestingly, preliminary research suggests saccharin may have anticancer effects. Get the details, and learn more about the pros and cons of saccharin in our article about sweeteners, which includes our Top Picks.
CL Answer
I read that turmeric may be a GI irritant. I have GI problems and wonder if I should avoid turmeric and curcumin?
Find out if turmeric/curcumin supplements can cause gastrointestinal irritability.
CL Answer
How does turmeric spice compare to curcumin (turmeric extract) in supplements? I sprinkle it on my foods and wonder if that's equivalent to taking a supplement.
What is the difference between turmeric spices used in the kitchen and turmeric supplements? Is sprinkling turmeric on my food equivalent to taking a turmeric supplement? ConsumerLab's answer explores this question.
CL Answer
Do Probiotics, Such as Those by Bioma and Pendulum, Boost GLP-1 to Help with Weight Loss?
Discover the differences between probiotics and GLP-1 agonists for blood sugar and weight management. Products discussed include Pendulum Glucose Control, Pendulum GLP-1 Probiotic, and Bioma Gut Health Probiotics.
Clinical Update
10/02/2021
Peanuts & Blood Sugar Control
Peanuts have been touted for controlling blood sugar, but we took a close look at a recent study used as a basis for this claim. Learn what we found in our answer to the question: Which supplements and foods can help lower or control my blood sugar?
Clinical Update
10/15/2019
Vitamin D & Blood Sugar Control
Maintaining moderate levels of vitamin D may aid blood sugar control, but, according to a recently published study, high-dose vitamin D supplementation may not help. For details, see the Diabetes, insulin resistance and glucose control section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D.
Clinical Update
8/07/2018
Vitamin D and Blood Sugar Control
A recent study adds to the growing evidence that obtaining and maintaining adequate vitamin D levels can help with blood sugar control. For details about this and studies regarding vitamin D and diabetes, see the Diabetes, insulin resistance and glucose control section of the Vitamin D Supplements Review. (Also see our Top Picks for vitamin D supplements.)
Clinical Update
9/17/2024
Probiotic for Blood Sugar Control?
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.
Clinical Update
11/14/2023
Blood Sugar Control With Bitter Melon?
Bitter melon is promoted for improving blood sugar control, but does it work? Find out what clinical research suggests in our article about supplements for blood sugar control.
Clinical Update
8/22/2023
Green Tea and Blood Sugar
A laboratory study showed how green tea might help control blood sugar. Get the details in the Blood Sugar Control/Diabetes section of our Green Tea Review, which includes our Top Picks for green tea.
Also see: Which supplements and foods can help lower or control blood sugar?
Clinical Update
9/06/2023
Coconut Oil for Blood Sugar Control?
Does coconut oil control blood sugar levels? See what a recent analysis of clinical studies concluded in the Blood Sugar and Insulin Control section of our Coconut and MCT Oils Review. Also see our Top Picks among coconut and MCT oils.
News Release
April 24, 2025
ConsumerLab Tests Identify Best Glycine Supplements
White Plains, NY, April 24, 2025 — Glycine supplements are promoted to improve sleep and mood, reduce symptoms of overactive bladder and chronic prostatitis, and for other benefits, but do they really work, and if so, which glycine products on the market are best?
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 ...
News Release
September 15, 2009
ConsumerLab.com finds many prostate supplements have correct ingredients, but four fail review -- New report on 19 saw palmetto and beta-sitosterol supplements
White Plains, New York — Tuesday, September 15,2009 — ConsumerLab.com announced test results today from its newest Product Review of Prostate Supplements.
Recalls & Warnings
August 26, 2014
Maker of Herbal Supplements Warned for Manufacturing Violations and Drug Claims
On August 8, 2014, the FDA issued a warning letter to EnerHealth Botanicals, LLC following a facility inspection which found the company's products, including Parasite Purge Herbal Remedy, Black Walnut Extract, Bladder Cleanse Herbal Extract, Lung Renewal Herbal Remedy, EchinOsha and Daily Immune ...
Recalls & Warnings
April 01, 2017
Maker of Prelief, Urinozinc Prostate Health Formula Warned for Manufacturing Violations
On March 16, 2017 the FDA issued a warning letter to DSE Healthcare Solutions, LLC, following a facility inspection which found the company's products, including Prelief and Urinozinc Prostate Health Formula to be adulterated because they were prepared, packed, or held under ...
Recalls & Warnings
April 29, 2014
Seller of B Vitamins, CoQ10, Amino Acids and Other Supplements Warned for Manufacturing Violations and Drug Claims
On April 1, 2014, the FDA issued a warning letter to Bio-Recovery, Inc.
Recalls & Warnings
January 11, 2012
Herbal Extract Company Warned by FDA of Making Drug Claims
On January 3, 2012, the U.S. FDA sent a Warning Letter to Herbal Extract Plus, LLC regarding legal violations for claiming its herbal products can cure or prevent diseases.
Recalls & Warnings
July 12, 2013
Herbal Supplement Company Warned For Drug Claims, Manufacturing Violations
On June 18, 2013, the FDA issued a warning letter to Herbs of Light, Inc.
Recalls & Warnings
May 09, 2022
Natural Organics Keto Capsules Recalled Due to Gluten
On March 6, 2022, Natural Organics, Inc. issued a recall of four lots of NaturePlus Keto Living Sugar Control Capsules that were found to contain gluten.
Recalls & Warnings
November 07, 2015
Seller of "NaturalDoctor" Vitamin C, Echinacea and More Warned for Manufacturing Violations
On October 16, 2015, the FDA issued a warning letter Sound Healing Arts, PC, dba Grounds for Tea, LLC, following a facility inspection which found the company's products, including NaturalDoctor Vitamins C & K3, NaturalDoctor Goldenseal & Echinacea Plus, NaturalDoctor Centella ...
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
January 12, 2021
Seller of Cholesterol, Weight Loss Products, and More Warned for Claims
On November 17, 2020, the FDA issued a warning letter to Bonagens following a review of the company's website, which found statements made about the company's products Anti-Aging Supports, Cholesterol & Diabetes Control, Gout Control, Hypertension Control, Liver Supports, Lungs ...
Recalls & Warnings
October 18, 2017
FDA Warns Seller of Arthritis, Blood Pressure, Diabetes Supplements For Making Drug Claims
On August 15, 2017, the FDA issued a warning letter to Years to Your Health, Inc., following an inspection of the company's website which found a number of their products to be misbranded, as they contained drug claims.
Recalls & Warnings
March 29, 2016
Maker of Bone Health, Prostate, Cholesterol Supplements and More Warned for Drug Claims
On March 17, 2016, the FDA issued a warning letter to Rx Vitamins, Inc., following a facility inspection which found the company's products, includingTestost-Rx, DB-7, The Bone Density Formula, NaturLo Cholesterol, ThyRx-7 and Arth-9 to be misbranded.
Recalls & Warnings
June 11, 2015
FDA Warns Maker of Fruit Energy Drinks for Drug Claims
On May 19, 2015, the FDA issued a warning letter to CK Management, Inc. following a facility inspection which found statements made on product labels and websites about Whole5, Fruit of the Spirit and ViaViente "whole food" fruit puree energy drinks to be drug claims.
Recalls & Warnings
December 12, 2014
Seller of B-12, Zinc, Echinacea and More Warned for Manufacturing Violations and Drug Claims
On November 14, 2014, the FDA issued a warning letter to Scientific Botanicals Company, Inc.
Recalls & Warnings
May 23, 2013
Seller of Sexual Enhancement, Cholesterol, Resveratrol Supplements and More Warned For Drug Claims
On May 2, 2013, the FDA issued a warning letter to Alternative Health Supplements, following a review of the company's website, which found statements made about several dietary supplements, including Regenerect, Alligin, Astaxanthin Advantage, HDL Cholesterol Management, Resveratrol, Coral Calcium ...
Recalls & Warnings
June 19, 2018
FDA Warns Seller of Weight Control Patches
On June 6, 2018, the FDA issued a warning letter to Health Management Group, Inc.
Recalls & Warnings
January 24, 2013
Food for Health Warned for Manufacturing Violations and Drug Claims on Supplements
On October 5, 2012, the FDA issued a warning letter to Food for Health International, LLC following a facility inspection which found the company's products, including Activz brand Vitamin D, Potassium Iodine, Organic Vitamin C, Whole 9 (a fruit and vegetable meal replacement shake) Control and VMA ...
