<span>Water-soluble vitamins are much more easily stored in the body, but they are only required up to a certain amount. Anything extra is secreted or excreted. Fat-soluble vitamins, on the other hand, are stored in the body when an excess is taken in: this can lead to a toxic level in some instances.</span>
for a substance to be a mineral it must be a naturally occurring inorganic crystalline solid that has a characteristics chemical composition and Crystal structure
