R these really a help in ur overall body health, my dads a doctor n he seems to think the gnc vitamin pack i bought(a days worht comes in alittle package n theres like 8 pills in each) is a waste of money, but when it comes to me he just blows of ne questions, if ne ones father is a doctor ull know what i mean, i have to be dying for him to give me meds, neway ne one know a good vitamin that is good for u, and if they really do nething?