so im currently bout 156 i wanna get to 170. my friend who went from 290 and 225 and works at spectrum fitness told me to take designer whey and centrum. im taking designer whey for sure but iuno bout centrum. ive heard things bout it. i wanna take multivitamins that wont jack too much into me so i can eat normal food and junk food now and then. wats the best multivitamins for me to use?