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Below are popular questions answered by ConsumerLab.com
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.
Are people with kidney disease at risk of getting too much potassium if they take a multivitamin? Which multivitamins are best for people with kidney disease?
Learn if people with kidney disease are at increased risk of getting too much potassium from multivitamins, find out which multivitamins do not contain potassium, and learn what other products should be avoided by people restricting potassium intake.
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?
Find out which supplements may damage your kidneys. ConsumerLab explores possible kidney side effects of supplements including chromium, creatine, and vitamin C.
Should I be concerned about supplements that contain Polysorbate 80? Is it safe?
Find out if polysorbate 80 is a safe ingredient in supplements.
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.
I read an article stating that some of the ingredients in Centrum multivitamins may be dangerous or toxic. Is that true?
Learn more about the safety of ingredients in Centrum, including binders, fillers, and coloring agents.
Does Qualia Mind boost memory and mental function and is it worth cost?
Learn about the ingredients in Qualia Mind, whether or not we think the formula works and is safe, and if we think it's worth the cost.
Do face creams, anti-aging serums, and acne gel treatments containing vitamin A or retinol reduce bone density or increase the risk of fractures?
Find out if using face creams, anti-aging serums, or acne gel treatments containing vitamin A or retinol can reduce bone mineral density or increase the risk of fractures,
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.
Do any supplements help treat or reduce the pain of plantar fasciitis (heel pain)?
Plantar fasciitis causing heel pain has, in rare cases, been reported as a symptom of vitamin D deficiency. Other supplements that have been proposed to help include vitamin C, zinc, curcumin (from turmeric), bromelain, collagen and glucosamine. Find out what the evidence shows, and what other treatments may help.
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