There are so many variables that we can choose from, it dizzying. Is it better to work out in the morning or at night? Does that unremarkable looking, questionable tasting multivitamin you pop every morning actually do anything? Or exactly how long, and what type of exercise do you need to be doing, before you start seeing results? As it turns out, a lot of experts have been wanting to ascertain the same information, and as such have compiled a…