Quote (MrBobMarley @ Oct 6 2012 03:02pm)
how long do different vitamins stay in your body?
Are some stored? if so how long and how do they get depleted
Depends on the vitamin, method of ingestion, solubility, and other factors.
Some vitamins, such as A, E and D are fat soluble and thus stay in your body as long as you physically need them and draw from them. Could be days/weeks.
Other vitamins are water soluble (such as C and

and these only last as long as it takes for your body to digest and absorb them, ultimately urinating out the excess. Generally speaking, it can take 1-2 hours.