 [ Symptoms ] what time of day should vitamin d be taken [ Disease ] so many men and women are vit d deficient i would recommend to everyone to have your level checked next time you go to the doctor and keep monitoring [it] vit d is one of the fat soluble vitamins a d e k are the 4 fat solubles therefore in order to absorb this vitamin you need to make sure you are ingesting some food that contains fat    some nuts a 2 dairy product a slice of avocado a serving of peanut butter etc therefore you need to have something to eat that contains fat in it for optimal absorption any meal or snack will do monitor your vit d levels at least once a year if you have been treated for a deficiency this is a powerful little vitamin and we must have adequate levels