what mineral does Vitamin D support
A. iron
B. calcium
C. sodium
D. iodine
Select your answer:
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What are the 3 D symptoms for Niacin deficiency?
A. dermatitis, headache, vomiting
B. dermatitis, diarrhoea, dementia
C. diarrhoea, vomiting, headache
D. diarrhoea, dementia, dog tiredness