It’s time to rethink your smoothie habit. You know that cold, blended fruit and veggie drink that you’ve been told is a healthful meal? Be honest: How do you really feel after you have one? On the surface, smoothies appear healthful. Fruit is filled with vitamins and fiber. Protein powders have a long list of nutrients. Nut butters are filled with good oils. Yogurt, coconut oil, cacao, maca — what else do you toss in your blender? Taken individually, the ingredients in a smoothie seem to have all that your body needs to function. But Ayurveda asks you to…