Showing Results for Kidney Stones
Product Reviews (13)
CL Answers (22)
Can taking certain forms of potassium, such as potassium citrate, reduce my chances of getting kidney stones? I've read a study that says it can, but it's unclear how much I should take.
Do turmeric and curcumin supplements contain significant amounts of oxalates? Can this increase my risk of kidney stones?
Does taking one slow-release calcium tablet of 600 mg (such as Citracal) per day pose a risk for heart disease?
My doctor told me to stop taking supplements because my kidney function was low. After stopping, my kidney function returned to normal. Can taking a lot of supplements really damage the kidneys?
Is it safer to get calcium from foods than from supplements? How about from calcium-fortified orange juice and non-dairy milks?
Is it better to get vitamins from foods or supplements, and are natural vitamins better than synthetic vitamins?
I take 1000 mg of a high-absorption curcumin extract. It seems to be working, but would it be safe to take a larger dose?
Are cranberry supplements helpful for men? Can they help with symptoms of an enlarged prostate, prostatitis, or urinary tract infections?
I'm a middle-aged healthy woman who gets occasional urinary tract infections. I heard that cranberry juice or cranberry supplements can help prevent the condition. Is this true?
Encyclopedia Articles (10)
Recalls & Warnings (5)
FDA Warns Seller of Arthritis, Blood Pressure, Diabetes Supplements For Making Drug Claims
Seller of Vitamin C, Calcium, Mushroom Supplements and More Warned for Manufacturing Violations
Seller of Antioxidant Water, Energy Drops Warned for Manufacturing Violations and Drug Claims
Seller of Sexual Enhancement, Cholesterol, Resveratrol Supplements and More Warned For Drug Claims
Clinical Updates (7)
Low-Cal Orange Juice For Kidney Stones?
Increasing citrate intake may reduce the risk of kidney stones. Find out how effective low-cal orange juice is at increasing citrate in our answer to the question: Can lemon juice, lemonade, or other juices reduce my chances of getting kidney stones?
Kidney Stones Linked to Calcium and Vitamin D Supplementation
A recent report showed that women taking a calcium and vitamin D supplement over a period of several years were 17% more likely to develop kidney stones than women who did not take the supplement. ConsumerLab.com reviewed this study. While the findings are correct, there seems to be no reason to give up vitamin D supplements and a small concern with calcium supplementation. Get the details in the update to the Calcium Supplements Review >>. The new information is also found in an update in the Vitamin D Supplements Review >>.
Too Much Calcium for Some?
A new study found that supplementing with even moderate amounts of calcium may cause abnormally high calcium levels in the urine (a risk factor for kidney stones) of some postmenopausal women, even when total calcium intake doesn't exceed the recommended daily allowance. Get the details in the update to the Calcium Supplements Review (Including Vitamin D, Vitamin K, and Magnesium) >>
Calcium Supplements Increase Kidney Stone Growth
Calcium supplementation is known to increase the risk of kidney stones in postmenopausal women. A new study shows that taking calcium nearly doubles the monthly growth of such stones in women prone to getting them. The study also assessed the effects of vitamin D supplementation. Details are found in the Calcium Supplements Review >>
Kidney Stones Due to Supplement?
An unusual type of kidney stone has been reported in several people who regularly consumed large amounts of a vitamin and amino acid supplement containing a particular form of choline and vitamin C. For details, see the Concerns and Cautions section of the Choline Supplements Review.
High-Dose Vitamin D Risk
Vitamin C and Kidney Damage
High doses of vitamin C can cause kidney stones and damage kidneys. People with certain diets or medical conditions may be more prone to these problems. Get the details, including those of a recent case, in the Concerns and Cautions section of the Vitamin C Supplements Review.