How long does vitamin d3 stay in ur system?

It's a fat soluble: vitamin. So this depends on your weight, fat distirbution, absorption of vitamin as being obese or underweight can reduce absorption, what other foods you are also eating it with, or how you're taking it? Sublingual drops, capsules, in food or dietary products, what UR current levels are, and what your target levels need to be to then move into a maintenance dose?These help answer the Q precisely,