Our Members Asked:
Can vitamin C from a supplement cause blood in the urine and painful urination?
The pain and blood in her urine could have been caused by vitamin C itself rather than by a contaminant. See the Concerns and Cautions section of the Vitamin C Supplements Review for a full explanation >>.
Related CL Answers (11)
When choosing a vitamin C supplement, should you look for one that is "reduced," "L" form (l-ascorbic acid), or "natural"?
Are supplements containing "natural" vitamin C, "reduced" vitamin C, or l-ascorbic acid better than regular vitamin c or ascorbic acid supplements? Find out if these forms are better absorbed or have other advantages, plus, learn about buffered and slow-release forms of vitamin C.
What are the health benefits of amla and is it safe?
Learn about amla (Indian gooseberry), including its potential health benefits and possible safety concerns.
Does taking vitamin C (1,000 mg) deplete copper in the body?
Find out if taking vitamin C supplements can deplete copper levels in the body and cause copper deficiency. ConsumerLab.com's answer explains.
Is Ester-C the best form of vitamin C?
Info on Ester-C Vitamin C, including which form of vitamin C is best, fully-reduced, liposomal and others based on absorption and side effects. ConsumerLab.com's answer explains.
Can vitamin C reduce the pain of shingles?
Can taking vitamin C for shingles help reduce pain and post-shingles pain, otherwise known as post-herpetic neuralgia? ConsumerLab.com's answer explains.
Which supplements can cause diarrhea?
Can supplements like magnesium cause diarrhea? Find out which supplements may cause diarrhea, such as vitamin B12, curcumin, magnesium, vitamin C and fish oil.
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.
Is liposomal vitamin C (sold as Lypo-Spheric) better than other forms of vitamin C?
Liposomal vitamin C information, including absorption facts and current evidence.
Some websites claim that synthetic vitamin C in supplements may be a combination the active "L" form and the inactive "D" form of ascorbic acid. Is that true? Should I be concerned?
Learn more about the forms of vitamin C.
Some vitamin C products claim to use fully reduced vitamin C. Is this important?
Learn more about fully reduced vitamin C, including tips on how best to store vitamin C supplements.
Do vitamin C supplements help prevent cataracts?
Learn more about the link between vitamin C and cataracts, based on clinical evidence.
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