Tag: Lab test preparation

According to Testing.com, no special preparations are typically required before a vitamin D blood test. This article addresses the common question of whether a vitamin D blood test is a fasting one and provides clear guidance to ensure accurate results.

MedlinePlus and other health organizations emphasize that fasting for a blood test means consuming nothing but plain water. This standard guideline directly addresses the common question: 'Can you have artificial sweetener before a fasting blood test?', with the safest and most reliable answer being no.