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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Does Vitamin D3 Supplements Have Side Effects Like Behavioral Change, And Irritation Problems?

Hello,
WWW.WWWW.WW is the only place where I have ever seen "thinking problems, changes in behavior, feeling irritable" listed as possible side-effects of taking vitamin D3 supplements. I have always had this reaction all my life to any vitamin supplement, but doctors and friends think I am imagining it. I don't have this reaction to anything else, and it feels very different from ordinary stress/anxiety/unhappiness feelings, so I am pretty sure something is going on. Have you heard of this before and/or can you shed any light on it? I'm concerned because my doc says my vitamin D is low and I should take supplements; I tried and had the reaction again. Many thanks, L.
Mon, 8 May 2017
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General & Family Physician,  's  Response
Behavioural changes do happen in vitamin supplements but not in therapeutic doses.Only when we take overdose of vitamin,these side-effects happen.Vitamin supplement should not be taken for more than a few months and always with doctor consultation.Do a lab test for vitamin d levels in your blood and if they are normal ,stop these Medicines.
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Does Vitamin D3 Supplements Have Side Effects Like Behavioral Change, And Irritation Problems?

Behavioural changes do happen in vitamin supplements but not in therapeutic doses.Only when we take overdose of vitamin,these side-effects happen.Vitamin supplement should not be taken for more than a few months and always with doctor consultation.Do a lab test for vitamin d levels in your blood and if they are normal ,stop these Medicines.