Magic Beans: Much of the foil-packed goop intended to offer endurance athletes a boost of energy has the unfortunate side effect of also making endurance athletes want to gag. Not so with the tasty Sporty Beans from Jelly Belly, which deliver a nutrient combination designed to keep you going, but in a form that's easy to swallow. $1.25 at Eastern Mountain Sports, 855 Boylston Street, Boston, 617-236-1518, ems.com