But when it comes to juicing vs. smoothies, is one better for you than the other? Plus, as is the case with juices, smoothies are an easy way to sneak more servings of good-for-you fruits and vegetables into your day. This will not only help keep you full, but curb blood sugar spikes. Is there such a thing as a “healthy” juice cleanse? “For most people, smoothies are the better everyday choice because they support blood sugar balance, gut health, and sustained energy,” Peterson says.