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can I take vitamins before a fasting blood test

A 46-year-old female asked:
Dr. Louise Andrew
46 years experience Emergency Medicine
No: Plain and simple, it's not.

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A 23-year-old female asked:
Dr. Gurmukh Singh
49 years experience Pathology
Take supplement: All laboratory results need to be interpreted in the clinical context and the doctor who ordered the tests is usually in the best position to do that. ... Read More
A 41-year-old male asked:
Dr. Michael Kleerekoper
A Verified Doctor answered
A US doctor answered Learn more
Blood/Vitamin D: Can't answer your questions until you get the lab data to share with me. Australia is so wonderful that vitamin D deficiency should not be an issue. L ... Read More
Dr. David Lipkin
52 years experience Internal Medicine
See answer: A low white blood cell count(leukopenia) may or may not be significant. People of African ancestry can normally have a reduced WBC. A diet deficient ... Read More
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A 28-year-old male asked:
Dr. Jan Lei Iwata
26 years experience Ophthalmology
Not usually: Fasting levels are more important for blood sugar levels, cholesterol, triglycerides as eating can affect these levels, and potentially elevate them, ... Read More
A 19-year-old male asked:
Dr. Gurmukh Singh
49 years experience Pathology
2000 IU okay: Taking 2000 IU of vitamin D3 daily will be sufficient. For good health - Have a diet rich in fresh vegetables, fruits, whole grains, low fat milk and ... Read More
A 37-year-old female asked:
Dr. Michael Kleerekoper
A Verified Doctor answered
A US doctor answered Learn more
Low levels: You don't really need supplements but tablets of vitamin D 1000 units a day is OK and safe. Your hematocrit is not too low to be of any concern.
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A 29-year-old member asked:
Dr. Guy DaSilva
35 years experience Preventive Medicine
Absolutely: B12 in the form of methyl cobalamin is necessary for numerous biochemical pathways. It can prevent psychoses, nerve tissue degeneration and megalobla ... Read More
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A 40-year-old female asked:
Dr. Lonna Larsh
30 years experience Family Medicine
How low?: How much you should take depends on what other medical conditions you have going on and how closely you are being monitored by a health care practitio ... Read More
A 32-year-old female asked:
Dr. J. Lawrence Dohan
57 years experience Dermatology
Yes: Is there a ferritin test as well? Why the "vitamins"? Why a "topical antibiotic"? If you have the gene for hemochromatosis you may get into trouble a ... Read More
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