Vitamin C Cautions
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Certain people should not take vitamin C supplements at all:
- People with kidney disease
- People with kidney failure
- People with kidney stones
People with any type of serious kidney disorder (including kidney stones) should not take vitamin C supplements, especially at high doses as they can cause serious side effects.
Certain people should either not take vitamin C supplements or seek medical advice prior to using them
Certain people should not take vitamin C supplements without first consulting their doctor for advice:
- People with gout
- People with iron-storage anaemia
- People with sickle-cell anaemia
People with any of the conditions should discuss vitamin C supplementation with their doctor to ensure that they are getting the correct dosage that will not make their condition worse. People with the above conditions should not take high levels of vitamin C as it may cause a worsening of their condition, which could be dangerous in some cases.