Best time of day to take multi vitamin?

Anytime: It doesn't matter when you take them but as with all medications you should stick to a prescribed routine and don't exceed the recommended dose. For multivitamins (mvi) that is usually once a day and if its not at the same time each day its ok. Understand that in healthy individuals who eat a balanced diet there is no evidence that mvi's are helpful nor will they make up for an unhealthy diet.