A member asked:

Does drinking over 64 ounces of water a day reduce the effectiveness of vitamin supplements due to frequent urination? prozac (fluoxetine)?

4 doctors weighed in across 2 answers

Nope: Vitamin b complex taken more than required by the body are excreted out in urine. Excessive urination does not affect their excretion. And Prozac (fluoxetine) does not interact with vitamins in their excretion.

Answered 6/30/2014

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Dr. James Banks answered

Specializes in Headache Medicine neurology subspecialty

Not unless excessive: Not unless excessive intake. If other than plain water then perhaps. If electrolytes normal then wouldn't worry.

Answered 4/6/2014

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