A member asked:

How much better is a d3 supplement over a multivitamin that has d in it? i have a good diet and exercise 6d/wk, but my job keeps me indoors.

A doctor has provided 1 answer
Dr. H Robert Silverstein answered

Specializes in Cardiology

Dose: Mvi (multivitamin) = only 400 u d3, usual need = about 4, 000 u a day. Goal 25 d3 blood level = 40-60. Hrs, md, facc. www.thepmc.org.

Answered 4/16/2015

5.1k views

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