Not really needed , since none of them are PH , they are natty stuff, BUT if you are feeling bad, or some weird unknown sides...By all means do get it. If not , and still feel like getting it , we would actually love some info and data on BW for Erase Pro and any Test Boosters you are taking :3 I'm sure the science experts here would love it hehe , I aint a pro but I would ;D!