A man needs more than simply three square meals a day. Throughout your waking day, a few snacks are in order. Packaged foods are obviously convenient to have on hand, but so many are high in fat, sodium and high-fructose corn syrup, and low on the good stuff that will sustain your energy and health. Stay clear of the vending machine. Here are four options for smarter snacking and no, we're not talking about those weak-ass 100 calorie packs of imitation cookies.