Innovative dispensing bottle caps for sensitive vitamins it is generally known, that most vitamins and other nutrients are very sensitive and loose their power the moment they get mixed with a liquid, particularly water. And even worse the longer they stay mixed, the less efficiently vitamins and nutrients work. One of the features a properly functioning &lsquovitamin injection&rsquo cap requires is the unavoidable extra space to house the rising volume which occurs when carbon dioxide releases from the liquid, which might end up to some 15.