A member asked:

Took lab order from 2 diff drs to get done. they ran vitamin d twice. one dr called and said its extremely low and the other said its fine. how common are lab work mistakes? makes me wonder what else they miss?

A doctor has provided 1 answer

Results: What were the results? There are differences in results based on the method used and each lab has its own reference range. If your level was less than 30 ng/ml you can safely take 2000 to 4000 units of vitamin D3 daily. Visit this site for info and talk to your doctor: https://ods.od.nih.gov/factsheets/VitaminD-HealthProfessional/

Answered 9/6/2020

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