A member asked:

Do you have to fast for any of the following blood tests? cbc iron thyroid vitamin d?

5 doctors weighed in across 2 answers

Dr. Hiep Le answered

Specializes in Nephrology and Dialysis

No, you don't have to.

Dr Machanic and another doctor agreed

Answered 4/20/2022

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No. You do not need to fast for these tests. For healthy diet: http://www.choosemyplate.gov/., exercise 30 minutes/day, drink enough water daily so your urine is mostly colorless, have safe sex, no tobacco alcohol weed or street drugs.

Answered 4/20/2022

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A member asked:

Do you have to fast for any of the following blood tests? cbc iron thyroid vitamin d?

5 doctors weighed in across 2 answers

Dr. Hiep Le answered

Dr Machanic and another doctor agreed

Dr. Gurmukh Singh answered

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