A member asked:

Recently diagnosed with severe vitamin d deficiency. what are known causes of vitamin d deficiency?

A doctor has provided 1 answer
Dr. Jay Park answered

Poor intake/absorp-: There are three categories of problems leading to vitamin d deficiency. --low intake of vitamin d: individuals on vegetarian diet & vegan diet --low absorption from the gastrointestinal tract: individuals with pancreatic or liver disease --inability to activate vitamin d: individuals with kidney failure.

Answered 3/13/2019

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