The secret to the green smoothie may lie in how it’s made. High-speed liquification may enhance the liberation of nutrients. If you blenderize spinach, for example, the bioavailability of its beta-carotene is boosted by nearly 50 percent compared to mincing it, and you get closer to 90 percent more than if you ate the leaves whole.1244 The same amount of food, but greater or lesser levels of nutrients make it into your bloodstream depending on how you prepare it.
