"Meal Replacement" alternatives...How much of the hype is science—and how much is fiction? Like personal aircraft, elixirs offering all the necessary nutrients in a single dose have been a staple of science fiction. For good reason. Athletes seek a power surge. Seniors dream of a healthy dinner which needs no cooking before and no clean-up after. We all hope to control our weight. With the introduction of MR "meal replacement" alternatives and energy supplements (bars, drinks, and powders), we stepped into the future. But [...]