The U.S. News & World Report on Wednesday named the top five "easiest" diets New Year's resolutionists should follow — Weight Watchers, Jenny Craig, Mediterranean Diet, Slim Fast and Volumetrics — out of a total field of 25 diet plans.
The market for meal replacement ready-to-drink shakes is expanding beyond the need for a shake-shake-sensible-meal diet plan, or the need for a protein booster, with a number of niche marketing opportunities.