A family member has been taking Vitamin C supplements, but is now wondering if he should continue to spend money on these supplements. What have you learned about Vitamin C that might help them with an evidence-based decision?
A) Excessive supplementation can cause dementia.
B) Vitamin C is known to prevent the common cold.
C) Excessive supplementation can interfere with drugs prescribed to prevent blood clotting.
D) Excessive supplementation can cause diarrhea and can interfere with drugs prescribed to slow blood clotting.

Question

Quizplus · Accepted Answer

Excessive Vitamin C supplementation can cause diarrhea and may interfere with anticoagulant medications, which are prescribed to prevent blood clotting.

A Family Member Has Been Taking Vitamin C Supplements, but Is