In regions where sun exposure may be limited, supplemental vitamin D may be required to maintain normal blood levels.
The exact amount of vitamin D to achieve normal levels is unknown and usage varies in different regions and communities, which can cause problems, say the researchers.
“Patients don’t think of vitamins and supplements as drugs,” added Dr Bunch.
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“But any vitamin or supplement that is touted as ‘healing’ or ‘natural’ is a drug and will have effects that are both beneficial and harmful.
“Just like any therapy, vitamins need to be taken for the right reasons and at the right doses.”
Source: Daily Express
