Product Reviews and Information for Bladder Control

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.

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.

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 >>

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.

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.

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.

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?

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.

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.

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.

3/16/2019

Vitamin D for Overactive Bladder?

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

5/30/2020

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?

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.

6/18/2026

BPC-157 for Pain and Inflammation?

BPC-157 is getting attention for pain and inflammation, but does the evidence support the claims? See the current evidence for knee pain and bladder pain in our article about peptides, which includes information about TB-500.

10/26/2026

Could Cranberry Reduce Those Frequent Urges to Urinate?

Do cranberry supplements relieve overactive bladder symptoms? See how it performed and our Top Picks among cranberry juices and supplements.

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?

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.

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.

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?

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.

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.)

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.

9/09/2025

Citrus Bioflavonoids for Blood Sugar Control?

Did taking citrus bioflavonoids improve blood sugar levels among people with prediabetes in a recent study? Find out in our article about supplements for blood sugar control.

4/22/2022

Cinnamon for Lowering Blood Sugar?

Does taking cinnamon powder or extract help control blood sugar levels in people with prediabetes or type 2 diabetes? See what the latest study, and earlier studies, have found in the Blood sugar, type 2 diabetes and prediabetes of our Cinnamon Supplements Review.

Also see: Which supplements and foods can help lower or control my blood sugar?

10/09/2021

Tart Cherry and Blood Sugar

Does tart cherry concentrate or capsules help with blood sugar or insulin control? See what a recent study showed in our answer to the question: What are the health benefits of tart cherry juice?

Also see our answer to the question: Which supplements and foods can help lower or control my blood sugar?

3/03/2023

How You Eat a Meal Affects Blood Sugar

The order in which you eat foods during a meal can improve blood sugar control. Learn more in our updated CL Answer about supplements and food for blood sugar control.

4/04/2023

Nerve Control 911?

Does the supplement Nerve Control 911 reduce nerve pain? See what the evidence suggests in our updated article about supplements for nerve pain.

8/22/2023

Melatonin and Blood Sugar Control

Melatonin supplements may affect blood sugar control and insulin function in people with type 2 diabetes, according to recent studies. Get the details in the Concerns and Cautions section of our Melatonin Supplements Review, which includes our Top Picks for melatonin.

10/24/2024

Oat Cereals & Blood Sugar Control

Do different forms of oats affect blood sugar differently? Yes, and this also depends on how they are prepared, as discussed in the ConsumerTips section of our Oat Cereals Review, which includes our Top Picks among oat cereals.

Also see: Which supplements and foods can help lower or control blood sugar?

10/28/2024

Wellmune for Diabetes?

Does taking Wellmune (which contains beta-glucan) improve blood sugar control in people with type 2 diabetes? Find out what a recent study showed in our article about supplements and foods for controlling blood sugar.

1/20/2025

Quinoa for Blood Sugar Control

Quinoa was found to be more effective than mixed grains at controlling blood sugar in a recent study. Learn more in our Gluten-Free Grains Review, which includes our Top Picks for buckwheat, quinoa, sorghum, millet and teff.

4/14/2025

Vitamin D for Diabetes Prevention?

Did taking vitamin D for more than 5 years reduce the risk of type 2 diabetes among healthy older people in a major U.S. study? Find out in the Diabetes, insulin resistance and glucose control section of our Vitamin D Supplements Review.

Also see our Top Picks for vitamin D.

And see our article: Which supplements and foods can help lower or control blood sugar?

11/10/2023

Magnesium for Diabetes?

Does magnesium supplementation improve insulin sensitivity or blood sugar control in people with type 2 diabetes? See what a recent study found in the our Magnesium Supplements Review, which includes our Top Picks for magnesium.

Also see: Which supplements and foods can help lower or control blood sugar?

8/26/2012

Curcumin May Help Prevent Diabetes

Past research has suggested a potential role for curcumin (from turmeric) in blood sugar control. A recently published placebo-controlled study of curcumin given daily to people with prediabetes (those with blood sugar levels somewhat higher than normal) produced dramatic results in reducing the percentage of such individuals progressing to diabetes. Get the details in the latest update to ConsumerLab.com's Turmeric and Curcumin Supplements Review -- which includes quality ratings of products and other potential uses of curcumin. More >>

5/11/2014

Study Suggests Vitamin D Level for Blood Sugar Control

A certain minimum level of vitamin D in the blood is associated with normal control of blood sugar, according to a recently published study. The study focused on women who were overweight or obese but not diabetic. The vitamin D level is consistent with the range suggested by many other studies. For more details, as well as our tests of vitamin D supplements, see the updated Vitamin D Supplements Review >> 

4/13/2014

Resveratrol for Glucose Control

A recent review of clinical studies shows that resveratrol can help with glucose control in people with type 2 diabetes. However, it is not the general fountain of youth originally hoped. For more information about resveratrol, including our tests of resveratrol supplements, see the updated Resveratrol Supplements Review >> 

3/11/2017

Prebiotics for Appetite Control?

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) >>

6/26/2018

Ubiquinol for Blood Sugar Control?

Does giving ubiquinol (the active form of CoQ10) to people with type 2 diabetes help with blood sugar control? Find out in the What It Does section of the CoQ10 and Ubiquinol Supplements Review. (Also see our Top Picks among CoQ10 and ubiquinol supplements.)

7/10/2018

Niagen for Blood Sugar Control?

Niagen, a brand of nicotinamide riboside (a form of niacin), was recently tested in a clinical trial to control blood sugar levels. Get the results in the Niacin section of the B Vitamins Review. (Also see our Top Picks among niacin supplements.)

9/14/2018

Curcumin for Blood Sugar Control

Does taking curcumin with a meal help control blood sugar levels? See what a study found in the What It Does section of the Turmeric and Curcumin Supplements Review. (Also see our Top Picks among curcumin and turmeric supplements and spices.)

1/08/2019

Is Taking Vinegar Helpful?

Two studies compared the effectiveness of vinegar pills to liquid vinegar in controlling blood sugar after a meal. See the results in the "Blood sugar control" section of the Apple Cider Vinegar Review. (Also see our Top Picks for apple cider vinegar.)

2/12/2019

Vitamin C for Blood Sugar Control

High-dose vitamin C was found to help control blood sugar levels in people with type 2 diabetes in a recent study. For details, see the What It Does section of the Vitamin C Supplements Review. Also see our latest Top Picks for vitamin C.

10/04/2020

Morning Coffee's Effect on Blood Sugar

Many people reach for a cup of coffee in the morning, but might this impair blood sugar control? Find out what a recent study showed in our answer to the question: Which supplements can help lower or control my blood sugar?

10/06/2020

Can Whey Protein Control Hunger?

Can drinking a whey protein shake help control hunger in people who are overweight? Find out what a recent study showed in the What It Does section of our Protein Supplements Review. Also see our Top Picks among protein powders, shakes and drinks.

8/19/2021

Diabetes and Fruit Intake

Eating whole fruits is associated with reduced risk of type 2 diabetes and better blood sugar control. But how much fruit is associated with greatest benefit, and what's the role of apples, bananas, and citrus fruits? See what a recent study showed. It's all in our article: Which supplements and foods can help lower or control my blood sugar?

9/07/2021

EVOO vs. Regular Olive Oil

Extra virgin olive oil may be more beneficial than regular olive oil for blood sugar control and satiety, according to a recent study. Get the details in the Insulin Control and Blood Sugar section of our Extra Virgin Olive Oil Review. Also see our Top Picks among extra virgin olive oils.

3/23/2021

Birth Control and Vitamin D

Can taking birth control pills affect vitamin D levels? Find out what a recent study found in the Concerns and Cautions section of our Vitamin D Supplements Review.

5/12/2021

Black Seed Oil for Blood Sugar Control?

Find out if black seed oil improved blood sugar control in people with prediabetes in our updated answer to the question: What are the health benefits of black cumin seed (black seed) oil?