Lose Weight Faster With 1 of These 13 Breakfast Smoothies If you're looking to sip away the pounds, juice cleanses may **t be the best idea. Smoothies, however, could be your best-kept weight-loss secret: the blended beverage offers you tons of nutrition as well as protein and fiber to help keep you full until your next meal. Whipping up a smoothie for Breakfast will further help you rev up your metabolism first thing in the morning, so here are 13 Smoothies to fill you up as the scale ticks down.